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A harbor (
American English American English, sometimes called United States English or U.S. English, is the set of variety (linguistics), varieties of the English language native to the United States. English is the Languages of the United States, most widely spoken lang ...
), or harbour (
Commonwealth English The use of the English language in current and former Member states of the Commonwealth of Nations, countries of Commonwealth of Nations, the Commonwealth was largely inherited from British Empire, British colonisation, with some exceptions. Eng ...
; see
spelling differences Despite the various English dialects spoken from country to country and within different regions of the same country, there are only slight regional variations in English orthography, the two most notable variations being British and Americ ...
), is a sheltered
body of water A body of water or waterbody is any significant accumulation of water on the surface of Earth or another planet. The term most often refers to oceans, seas, and lakes, but it includes smaller pools of water such as ponds, wetlands, or more rare ...
where
ship A ship is a large watercraft, vessel that travels the world's oceans and other Waterway, navigable waterways, carrying cargo or passengers, or in support of specialized missions, such as defense, research and fishing. Ships are generally disti ...
s,
boat A boat is a watercraft of a large range of types and sizes, but generally smaller than a ship, which is distinguished by its larger size or capacity, its shape, or its ability to carry boats. Small boats are typically used on inland waterways s ...
s, and
barge A barge is typically a flat-bottomed boat, flat-bottomed vessel which does not have its own means of mechanical propulsion. Original use was on inland waterways, while modern use is on both inland and ocean, marine water environments. The firs ...
s can be moored. The term ''harbor'' is often used interchangeably with ''
port A port is a maritime facility comprising one or more wharves or loading areas, where ships load and discharge cargo and passengers. Although usually situated on a sea coast or estuary, ports can also be found far inland, such as Hamburg, Manch ...
'', which is a man-made facility built for loading and unloading vessels and dropping off and picking up passengers. Harbors usually include one or more ports.
Alexandria Port The Port of Alexandria is located on the northern coast of Egypt, to the West of the Nile Delta. In antiquity Alexandria was built between the Mediterranean Sea and Mariut Lake. The latter was connected to the River Nile via canals, allowing goo ...
in Egypt, meanwhile, is an example of a port with two harbors. Harbors may be natural or artificial. An artificial harbor can have deliberately constructed
breakwater Breakwater may refer to: * Breakwater (structure), a structure for protecting a beach or harbour Places * Breakwater, Victoria, a suburb of Geelong, Victoria, Australia * Breakwater Island, Antarctica * Breakwater Islands, Nunavut, Canada * ...
s,
sea wall Sea Wall or The Sea Wall may refer to: * Seawall, a constructed coastal defence * Sea Wall, Guyana * ''The Sea Wall'' (novel), 1950 French novel by Marguerite Duras * ''The Sea Wall'' (film), 2008 film based on Duras' novel See also *'' This Ang ...
s, or
jetties A jetty is a man-made structure that protrudes from land out into water. A jetty may serve as a breakwater, as a walkway, or both; or, in pairs, as a means of constricting a channel. The term derives from the French word ', "thrown", signif ...
or they can be constructed by
dredging Dredging is the excavation of material from a water environment. Possible reasons for dredging include improving existing water features; reshaping land and water features to alter drainage, navigability, and commercial use; constructing d ...
, which requires maintenance by further periodic dredging. An example of an artificial harbor is
Long Beach Harbor The Port of Long Beach, administered as the Harbor Department of the City of Long Beach, is a container port in the United States, which adjoins Port of Los Angeles. Acting as a major gateway for US–Asian trade, the port occupies of land w ...
,
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
, United States, which was an array of
salt marshes A salt marsh, saltmarsh or salting, also known as a coastal salt marsh or a tidal marsh, is a coastal ecosystem in the upper coastal intertidal zone between land and open Seawater, saltwater or brackish water that is regularly flooded by the ti ...
and
tidal flats Mudflats or mud flats, also known as tidal flats or, in Ireland, slob or slobs, are coastal wetlands that form in intertidal areas where sediments have been deposited by tides or rivers. A global analysis published in 2019 suggested that tidal ...
too shallow for modern
merchant ships A merchant ship, merchant vessel, trading vessel, or merchantman is a watercraft that transports cargo or carries passengers for hire. This is in contrast to pleasure craft, which are used for personal recreation, and naval ships, which are ...
before it was first dredged in the early 20th century. In contrast, a natural harbor is surrounded on several sides by land. Examples of natural harbors include
Sydney Harbour Port Jackson, commonly known as Sydney Harbour, is a ria, natural harbour on the east coast of Australia, around which Sydney was built. It consists of the waters of Sydney Harbour, Middle Harbour, North Harbour and the Lane Cove River, Lane ...
, New South Wales, Australia,
Halifax Harbour Halifax Harbour is a large natural harbour on the Atlantic coast of Nova Scotia, Canada, located in the Halifax Regional Municipality. Halifax largely owes its existence to the harbour, being one of the largest and deepest ice-free natural har ...
in
Halifax, Nova Scotia Halifax is the capital and most populous municipality of the Provinces and territories of Canada, Canadian province of Nova Scotia, and the most populous municipality in Atlantic Canada. As of 2024, it is estimated that the population of the H ...
, Canada and
Trincomalee Harbour Trincomalee Harbour is a seaport in Trincomalee Bay or Koddiyar Bay, fourth largest natural harbour in the world and situated on the northeastern coast of Sri Lanka. Located by Trincomalee, Sri Lanka, in the heart of the Indian Ocean, its strat ...
in Sri Lanka.


Artificial harbors

Artificial harbors are frequently built for use as ports. The oldest artificial harbor known is the Ancient Egyptian site at
Wadi al-Jarf Wadi al-Jarf () is an area on the Red Sea coast of Egypt, south of Suez, that is the site of the oldest known artificial harbour in the world, developed about 4500 years ago. It is located at the mouth of the Wadi Araba, a major communication co ...
, on the Red Sea coast, which is at least 4500 years old (ca. 2600–2550 BCE, reign of King
Khufu Khufu or Cheops (died 2566 BC) was an ancient Egyptian monarch who was the second pharaoh of the Fourth Dynasty of Egypt, Fourth Dynasty, in the first half of the Old Kingdom of Egypt, Old Kingdom period (26th century BC). Khufu succeeded his ...
). The largest artificially created harbor is
Jebel Ali Jebel Ali () is a port town south-west of Dubai. The Jebel Ali Port is located there. Al Maktoum International Airport has been constructed just outside the port area. Jebel Ali is connected to Dubai via the UAE Exchange (formerly Jebel Al ...
in
Dubai Dubai (Help:IPA/English, /duːˈbaɪ/ Help:Pronunciation respelling key, ''doo-BYE''; Modern Standard Arabic, Modern Standard Arabic: ; Emirati Arabic, Emirati Arabic: , Romanization of Arabic, romanized: Help:IPA/English, /diˈbej/) is the Lis ...
. Other large and busy artificial harbors include: *
Port of Long Beach The Port of Long Beach, administered as the Harbor Department of the City of Long Beach, is a container port in the United States, which adjoins Port of Los Angeles. Acting as a major gateway for US–Asian trade, the port occupies of land wi ...
and
Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
, California, United States *
Port of Casablanca The Port of Casablanca ( , ) refers to the collective facilities and Dock (maritime), terminals that conduct maritime trade handling functions in Casablanca's harbours and which handle Casablanca's shipping. The port is located near Hassan II Mos ...
, Morocco *
Port of Koper Port of Koper (', ') is a public limited company, which provides port and logistics services in the only Slovenian port, in Koper. It is situated in the Gulf of Koper in the northern part of the Adriatic Sea, mainly connecting markets of Cent ...
, Slovenia The Ancient Carthaginians constructed fortified, artificial harbors called
cothon A cothon () is an artificial, protected inner harbour such as that in Carthage during the Punic Wars  200 BC. Cothons were generally found in the Phoenician world. Other examples include Motya in Sicily from the 6th century BC, which perfor ...
s.


Natural harbors

A natural harbor is a
landform A landform is a land feature on the solid surface of the Earth or other planetary body. They may be natural or may be anthropogenic (caused or influenced by human activity). Landforms together make up a given terrain, and their arrangement ...
where a section of a body of water is protected and deep enough to allow anchorage. Many such harbors are rias. Natural harbors have long been of great
strategic naval Naval strategy is the planning and conduct of Naval warfare, war at sea, the naval equivalent of military strategy on land. Naval strategy, and the related concept of maritime strategy, concerns the overall strategy for achieving victory at sea ...
and
economic An economy is an area of the Production (economics), production, Distribution (economics), distribution and trade, as well as Consumption (economics), consumption of Goods (economics), goods and Service (economics), services. In general, it is ...
importance, and many great cities of the world are located on them. Having a protected harbor reduces or eliminates the need for breakwaters as it will result in calmer waves inside the harbor. Some examples are: *
Bali Strait Bali Strait is a stretch of water separating Java and Bali while connecting the Indian Ocean and the Bali Sea. At its narrowest it is wide. Geography The Bali Strait is one of the bodies of water surrounding the island of Bali: Lombok Strait ...
,
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...
* Berehaven Harbour,
Ireland Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan ...
* Balikpapan Bay in
East Kalimantan East Kalimantan (Indonesian language, Indonesian: ) is a Provinces of Indonesia, province of Indonesia. Its territory comprises the eastern portion of Borneo/Kalimantan. It had a population of about 3.03 million at the 2010 census (within the cu ...
,
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...
*
Mumbai Mumbai ( ; ), also known as Bombay ( ; its official name until 1995), is the capital city of the Indian state of Maharashtra. Mumbai is the financial capital and the most populous city proper of India with an estimated population of 12 ...
in
Maharashtra Maharashtra () is a state in the western peninsular region of India occupying a substantial portion of the Deccan Plateau. It is bordered by the Arabian Sea to the west, the Indian states of Karnataka and Goa to the south, Telangana to th ...
,
India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
*
Boston Harbor Boston Harbor is a natural harbor and estuary of Massachusetts Bay, located adjacent to Boston, Massachusetts. It is home to the Port of Boston, a major shipping facility in the Northeastern United States. History 17th century Since its dis ...
in
Massachusetts Massachusetts ( ; ), officially the Commonwealth of Massachusetts, is a U.S. state, state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode ...
,
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
*
Burrard Inlet Burrard Inlet () is a shallow-sided fjord in the northwestern Lower Mainland, British Columbia, Canada. Formed during the last Ice Age, it separates the City of Vancouver and the rest of the lowland Burrard Peninsula to the south from the coa ...
in
Vancouver Vancouver is a major city in Western Canada, located in the Lower Mainland region of British Columbia. As the List of cities in British Columbia, most populous city in the province, the 2021 Canadian census recorded 662,248 people in the cit ...
,
British Columbia British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...
,
Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
*
Chittagong Chittagong ( ), officially Chattogram, (, ) (, or ) is the second-largest city in Bangladesh. Home to the Port of Chittagong, it is the busiest port in Bangladesh and the Bay of Bengal. The city is also the business capital of Bangladesh. It ...
in
Chittagong Division Chittagong Division (), officially Chattogram Division, is geographically the largest of the eight administrative divisions of Bangladesh. It covers the southeasternmost areas of the country, with a total area of and a population according to th ...
,
Bangladesh Bangladesh, officially the People's Republic of Bangladesh, is a country in South Asia. It is the List of countries and dependencies by population, eighth-most populous country in the world and among the List of countries and dependencies by ...
* Cork Harbour, Ireland *
Esquimalt Harbour Esquimalt Harbour is a natural harbour in Greater Victoria on the southern tip of Vancouver Island in British Columbia, Canada. The entrance to Esquimalt Harbour is from the south off the Strait of Juan de Fuca through a narrow channel known as ...
in
Esquimalt The Township of Esquimalt () is a municipality at the southern tip of Vancouver Island, in British Columbia, Canada. It is bordered to the east by the provincial capital, Victoria, British Columbia, Victoria, to the south by the Strait of Jua ...
,
British Columbia British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...
,
Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
*
Grand Harbour The Grand Harbour (; ), also known as the Port of Marsa, is a natural harbour on the island of Malta. It has been substantially modified over the years with extensive docks ( Malta Dockyard), wharves, and fortifications. Description The h ...
,
Malta Malta, officially the Republic of Malta, is an island country in Southern Europe located in the Mediterranean Sea, between Sicily and North Africa. It consists of an archipelago south of Italy, east of Tunisia, and north of Libya. The two ...
*
Guantánamo Bay Guantánamo Bay (, ) is a bay in Guantánamo Province at the southeastern end of Cuba. It is the largest harbor on the south side of the island and it is surrounded by steep hills which create an enclave that is cut off from its immediate hint ...
,
Cuba Cuba, officially the Republic of Cuba, is an island country, comprising the island of Cuba (largest island), Isla de la Juventud, and List of islands of Cuba, 4,195 islands, islets and cays surrounding the main island. It is located where the ...
*
Gulf of Paria The Gulf of Paria ( ; ) is a shallow ( at its deepest) semi-enclosed inland sea located between the island of Trinidad and the east coast of Venezuela. It separates the two countries by as little as at its narrowest and at its widest points. T ...
,
Trinidad and Tobago Trinidad and Tobago, officially the Republic of Trinidad and Tobago, is the southernmost island country in the Caribbean, comprising the main islands of Trinidad and Tobago, along with several List of islands of Trinidad and Tobago, smaller i ...
*
Haifa Bay The Bay of Haifa or Haifa Bay (, ''Mifratz Heifa''), formerly Bay of Acre, is a bay along the Mediterranean coast of Northern Israel. Haifa Bay is Israel's only natural harbor on the Mediterranean. ''Haifa Bay'' also refers one of Haifa's ni ...
, in
Haifa Haifa ( ; , ; ) is the List of cities in Israel, third-largest city in Israel—after Jerusalem and Tel Aviv—with a population of in . The city of Haifa forms part of the Haifa metropolitan area, the third-most populous metropolitan area i ...
,
Israel Israel, officially the State of Israel, is a country in West Asia. It Borders of Israel, shares borders with Lebanon to the north, Syria to the north-east, Jordan to the east, Egypt to the south-west, and the Mediterranean Sea to the west. Isr ...
*
Halifax Harbour Halifax Harbour is a large natural harbour on the Atlantic coast of Nova Scotia, Canada, located in the Halifax Regional Municipality. Halifax largely owes its existence to the harbour, being one of the largest and deepest ice-free natural har ...
in
Nova Scotia Nova Scotia is a Provinces and territories of Canada, province of Canada, located on its east coast. It is one of the three Maritime Canada, Maritime provinces and Population of Canada by province and territory, most populous province in Atlan ...
,
Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
*
Hamilton Harbour Hamilton Harbour (formerly known as Burlington Bay) lies on the western tip of Lake Ontario, bounded on the northwest by the City of Burlington, on the south by the City of Hamilton, and on the east by Hamilton Beach (south of the Burlington ...
in
Ontario Ontario is the southernmost Provinces and territories of Canada, province of Canada. Located in Central Canada, Ontario is the Population of Canada by province and territory, country's most populous province. As of the 2021 Canadian census, it ...
,
Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
*
Killybegs Killybegs () is a town in County Donegal, Ireland. It is the largest fishing port in the country and on the island of Ireland. It is located on the south coast of the county, north of Donegal Bay, near Donegal Town. Its Irish name means 'littl ...
in
County Donegal County Donegal ( ; ) is a Counties of Ireland, county of the Republic of Ireland. It is in the Provinces of Ireland, province of Ulster and is the northernmost county of Ireland. The county mostly borders Northern Ireland, sharing only a small b ...
,
Ireland Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan ...
*
Kingston Harbour Kingston Harbour in Jamaica is the seventh-largest natural harbour in the world. It is an almost landlocked area of water approximately long by wide. Most of it is deep enough to accommodate large ships, even close to shore. It is bordered to th ...
,
Jamaica Jamaica is an island country in the Caribbean Sea and the West Indies. At , it is the third-largest island—after Cuba and Hispaniola—of the Greater Antilles and the Caribbean. Jamaica lies about south of Cuba, west of Hispaniola (the is ...
*
Mahón Mahón (), officially Maó (, ; formerly spelled ''Mahó''), and also written as Mahon or Port Mahon in English, is the capital and second largest city of Menorca. The city is located on the eastern coast of the island, which is part of the ar ...
harbour, in
Menorca Menorca or Minorca (from , later ''Minorica'') is one of the Balearic Islands located in the Mediterranean Sea belonging to Spain. Its name derives from its size, contrasting it with nearby Mallorca. Its capital is Maó, situated on the isl ...
,
Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...
*
Marsamxett Harbour Marsamxett Harbour (), historically also referred to as Marsamuscetto, is a natural harbour on the island of Malta. It is located to the north of the larger Grand Harbour. The harbour is generally more dedicated to leisure use than the Grand Ha ...
,
Malta Malta, officially the Republic of Malta, is an island country in Southern Europe located in the Mediterranean Sea, between Sicily and North Africa. It consists of an archipelago south of Italy, east of Tunisia, and north of Libya. The two ...
*
Milford Haven Milford Haven ( ) is a town and community (Wales), community in Pembrokeshire, Wales. It is on the north side of the Milford Haven Waterway, an estuary forming a natural harbour that has been used as a port since the Middle Ages. The town was ...
in
Wales Wales ( ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by the Irish Sea to the north and west, England to the England–Wales border, east, the Bristol Channel to the south, and the Celtic ...
,
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
*
New York Harbor New York Harbor is a bay that covers all of the Upper Bay. It is at the mouth of the Hudson River near the East River tidal estuary on the East Coast of the United States. New York Harbor is generally synonymous with Upper New York Bay, ...
in the
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
*
Pago Pago Harbor Pago Pago Harbor on Tutuila Island in American Samoa is one of the world's largest natural harbors. The capital, Pago Pago, is located on the inner reaches of the harbor, close to its northwesternmost point. It has the highest annual rainfall o ...
in
American Samoa American Samoa is an Territories of the United States, unincorporated and unorganized territory of the United States located in the Polynesia region of the Pacific Ocean, South Pacific Ocean. Centered on , it is southeast of the island count ...
*
Pearl Harbor Pearl Harbor is an American lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. It was often visited by the naval fleet of the United States, before it was acquired from the Hawaiian Kingdom by the U.S. with the signing of the Reci ...
in
Hawaii Hawaii ( ; ) is an island U.S. state, state of the United States, in the Pacific Ocean about southwest of the U.S. mainland. One of the two Non-contiguous United States, non-contiguous U.S. states (along with Alaska), it is the only sta ...
,
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
*
Poole Harbour Poole Harbour is a large natural harbour in Dorset, southern England, with the town of Poole on its shores. The harbour is a drowned valley ( ria) formed at the end of the last ice age and is the estuary of several rivers, the largest being th ...
in
England England is a Countries of the United Kingdom, country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and List of islands of England, more than 100 smaller adjacent islands. It ...
,
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
* Port Hercules,
Monaco Monaco, officially the Principality of Monaco, is a Sovereign state, sovereign city-state and European microstates, microstate on the French Riviera a few kilometres west of the Regions of Italy, Italian region of Liguria, in Western Europe, ...
*
Sydney Harbour Port Jackson, commonly known as Sydney Harbour, is a ria, natural harbour on the east coast of Australia, around which Sydney was built. It consists of the waters of Sydney Harbour, Middle Harbour, North Harbour and the Lane Cove River, Lane ...
in
New South Wales New South Wales (commonly abbreviated as NSW) is a States and territories of Australia, state on the Eastern states of Australia, east coast of :Australia. It borders Queensland to the north, Victoria (state), Victoria to the south, and South ...
,
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
, technically a ria * Port Stephens in
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
* Tanjung Perak in
Surabaya Surabaya is the capital city of East Java Provinces of Indonesia, province and the List of Indonesian cities by population, second-largest city in Indonesia, after Jakarta. Located on the northeastern corner of Java island, on the Madura Strai ...
,
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...
*
Port of Tobruk The Port of Tobruk () is a port located at Tobruk, Libya. Opened in 1986, it is located in Eastern Libya near the Egyptian border - about east of Benghazi. The entrance to the main channel into the port is between Tobruk point ( ) and the point ...
in
Tobruk Tobruk ( ; ; ) is a port city on Libya's eastern Mediterranean coast, near the border with Egypt. It is the capital of the Butnan District (formerly Tobruk District) and has a population of 120,000 (2011 est.)."Tobruk" (history), ''Encyclop ...
,
Libya Libya, officially the State of Libya, is a country in the Maghreb region of North Africa. It borders the Mediterranean Sea to the north, Egypt to Egypt–Libya border, the east, Sudan to Libya–Sudan border, the southeast, Chad to Chad–L ...
*
Presque Isle Bay Presque Isle Bay is a natural bay located off the coast of Erie, Pennsylvania. Its embayment is about in length, about across at its widest point, and an average depth of about . The bay is at an elevation of 571 ft (174 m) above sea le ...
in
Pennsylvania Pennsylvania, officially the Commonwealth of Pennsylvania, is a U.S. state, state spanning the Mid-Atlantic (United States), Mid-Atlantic, Northeastern United States, Northeastern, Appalachian, and Great Lakes region, Great Lakes regions o ...
,
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
*
Prince William Sound Prince William Sound ( Sugpiaq: ''Suungaaciq'') is a sound off the Gulf of Alaska on the south coast of the U.S. state of Alaska. It is located on the east side of the Kenai Peninsula. Its largest port is Valdez, at the southern terminus of the ...
in
Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...
,
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
*
Puget Sound Puget Sound ( ; ) is a complex estuary, estuarine system of interconnected Marine habitat, marine waterways and basins located on the northwest coast of the U.S. state of Washington (state), Washington. As a part of the Salish Sea, the sound ...
in
Washington state Washington, officially the State of Washington, is a state in the Pacific Northwest region of the United States. It is often referred to as Washington State to distinguish it from the national capital, both named after George Washington ...
,
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
*
Rías Altas Rías Altas (also called "Upper Rias") is the northernmost of three sections of '' A Costa do Marisco'' (the Seafood Coast) in Galicia, Spain. It extends from the port of Ribadeo to Santa Cruz. The Upper Rias refers to the coast of the northe ...
and
Rías Baixas The Rías Baixas ( Galician for "Lower Rias") are a series of four estuarine inlets located on the southwestern coast of Galicia, Spain. They are the Ría de Muros e Noia, the Ría de Arousa, the Ría de Pontevedra, and the Ría de Vigo.Me ...
in Galicia,
Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...
*
Roadstead of Brest The roadstead of Brest (, ; ) is a roadstead or bay located in the Finistère Departments of France, department in Brittany (administrative region), Brittany in northwestern France. The surface area is about 180 km² (70 sq mi). The po ...
in
Brittany Brittany ( ) is a peninsula, historical country and cultural area in the north-west of modern France, covering the western part of what was known as Armorica in Roman Gaul. It became an Kingdom of Brittany, independent kingdom and then a Duch ...
,
France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
*
San Diego Bay San Diego Bay is a natural harbor and deepwater port in San Diego County, California, near the Mexico–United States border. The bay, which is long and wide, is the third largest of the three large, protected natural bays on California's of ...
in
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
,
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
*
San Francisco Bay San Francisco Bay (Chochenyo language, Chochenyo: 'ommu) is a large tidal estuary in the United States, U.S. state of California, and gives its name to the San Francisco Bay Area. It is dominated by the cities of San Francisco, California, San ...
in
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
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United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
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Scapa Flow Scapa Flow (; ) is a body of water in the Orkney Islands, Scotland, sheltered by the islands of Mainland, Graemsay, Burray,S. C. George, ''Jutland to Junkyard'', 1973. South Ronaldsay and Hoy. Its sheltered waters have played an impor ...
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Scotland Scotland is a Countries of the United Kingdom, country that is part of the United Kingdom. It contains nearly one-third of the United Kingdom's land area, consisting of the northern part of the island of Great Britain and more than 790 adjac ...
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United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
* Sept-Îles in
Côte-Nord Côte-Nord (Region 09) (, ; ) is an List of regions of Quebec, administrative region of Quebec, on the Quebec-Labrador peninsula, Quebec-Labrador Peninsula, Canada. The region runs along the St. Lawrence River and then the Gulf of St. Lawrence, ...
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Quebec Quebec is Canada's List of Canadian provinces and territories by area, largest province by area. Located in Central Canada, the province shares borders with the provinces of Ontario to the west, Newfoundland and Labrador to the northeast, ...
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Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
* Shelburne in
Nova Scotia Nova Scotia is a Provinces and territories of Canada, province of Canada, located on its east coast. It is one of the three Maritime Canada, Maritime provinces and Population of Canada by province and territory, most populous province in Atlan ...
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Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
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Subic Bay Subic Bay is a bay on the west coast of the island of Luzon in the Philippines, about northwest of Manila Bay. An extension of the South China Sea, its shores were formerly the site of a major United States Navy facility, U.S. Naval Base Subi ...
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Zambales Zambales, officially the Province of Zambales (; ; ; ; ), is a Provinces of the Philippines, province in the Philippines located in the Central Luzon Regions of the Philippines, region. Its capital is Iba, Zambales, Iba, which is located in t ...
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Philippines The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...
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Tallinn Bay Tallinn Bay () is a bay in Estonia on the southern coast of the Gulf of Finland. The Estonian capital city Tallinn is located on the southern coast of the bay. Tallinn Bay itself is divided into several parts: Tallinn Roadstead (), Kopli Bay, K ...
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Tallinn Tallinn is the capital city, capital and List of cities in Estonia, most populous city of Estonia. Situated on a Tallinn Bay, bay in north Estonia, on the shore of the Gulf of Finland of the Baltic Sea, it has a population of (as of 2025) and ...
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Estonia Estonia, officially the Republic of Estonia, is a country in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the Baltic Sea across from Sweden, to the south by Latvia, and to the east by Ru ...
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Tampa Bay Tampa Bay is a large natural harbor and shallow estuary connected to the Gulf of Mexico on the west-central coast of Florida, comprising Hillsborough Bay, McKay Bay, Old Tampa Bay, Middle Tampa Bay, and Lower Tampa Bay. The largest freshwater i ...
in
Florida Florida ( ; ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders the Gulf of Mexico to the west, Alabama to the northwest, Georgia (U.S. state), Georgia to the north, the Atlantic ...
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United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
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Trincomalee Harbour Trincomalee Harbour is a seaport in Trincomalee Bay or Koddiyar Bay, fourth largest natural harbour in the world and situated on the northeastern coast of Sri Lanka. Located by Trincomalee, Sri Lanka, in the heart of the Indian Ocean, its strat ...
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Sri Lanka Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, also known historically as Ceylon, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian subcontinent, ...
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Tuticorin Thoothukudi (formerly called Tuticorin) is a port industrial city in  Thoothukudi district in the Indian state of Tamil Nadu. It lies on the Coromandel Coast of the Bay of Bengal. The city is capital and headquarters of the district. ...
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Tamil Nadu Tamil Nadu (; , TN) is the southernmost States and union territories of India, state of India. The List of states and union territories of India by area, tenth largest Indian state by area and the List of states and union territories of Indi ...
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India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
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Victoria Harbour Victoria Harbour is a natural landform harbor, harbour in Hong Kong separating Hong Kong Island in the south from the Kowloon Peninsula to the north. It acts as both a major trading hub and tourist attraction of Hong Kong in general. Lying in ...
in
Hong Kong Hong Kong)., Legally Hong Kong, China in international treaties and organizations. is a special administrative region of China. With 7.5 million residents in a territory, Hong Kong is the fourth most densely populated region in the wor ...
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China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...
* Visakhapatnam Harbour,
India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
* Vizhinjam in
Trivandrum Thiruvananthapuram ( ), also known as Trivandrum, is the capital city of the Indian state of Kerala. As of 2011, the Thiruvananthapuram Municipal Corporation had a population of 957,730 over an area of 214.86 sq. km, making it the largest and ...
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India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
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Waitematā Harbour The Waitematā Harbour is the main access by sea to Auckland, New Zealand. The harbour forms the northern and eastern coasts of the Auckland isthmus and is crossed by the Auckland Harbour Bridge. It is matched on the southern side of the city ...
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Auckland Auckland ( ; ) is a large metropolitan city in the North Island of New Zealand. It has an urban population of about It is located in the greater Auckland Region, the area governed by Auckland Council, which includes outlying rural areas and ...
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New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...
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Manukau Harbour The Manukau Harbour is the second largest natural harbour in New Zealand by area. It is located to the southwest of the Auckland isthmus, and opens out into the Tasman Sea. Geography The harbour mouth is between the northern head ("Burnett ...
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Auckland Auckland ( ; ) is a large metropolitan city in the North Island of New Zealand. It has an urban population of about It is located in the greater Auckland Region, the area governed by Auckland Council, which includes outlying rural areas and ...
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New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...
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Wellington Harbour Wellington Harbour ( ), officially called Wellington Harbour / Port Nicholson, is a large natural harbour on the southern tip of New Zealand's North Island. The harbour entrance is from Cook Strait. Central Wellington is located on parts of ...
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Wellington Wellington is the capital city of New Zealand. It is located at the south-western tip of the North Island, between Cook Strait and the Remutaka Range. Wellington is the third-largest city in New Zealand (second largest in the North Island ...
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New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...
* Port Foster in
Deception Island Deception Island is in the South Shetland Islands close to the Antarctic Peninsula with a large and usually "safe" natural harbour, which is occasionally affected by the underlying active volcano. This island is the caldera of an active volc ...
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Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole. ...


Ice-free harbors

For harbors near the North and South poles, being ice-free is an important advantage, especially when it is year-round. Examples of these are: * Hammerfest, Norway *
Liinakhamari Liinakhamari (; ; ) is an ice-free harbour and a rural locality in Pechengsky District of Murmansk Oblast, Russia. The harbour belonged to Finland from 1920 until 1944 when it was ceded to the Soviet Union. Liinakhamari was handed over to Fin ...
, Russia * Murmansk, Russia *
Nakhodka Nakhodka ( rus, Нахо́дка, p=nɐˈxotkə, means "''finding''") is a port city in Primorsky Krai, Russia, located on the Trudny Peninsula jutting into the Nakhodka Bay of the Sea of Japan, about east of Vladivostok (169 kilometers by ...
in Nakhodka Bay, Russia * Pechenga, Russia *
Prince Rupert Prince Rupert of the Rhine, Duke of Cumberland, (17 December 1619 ( O.S.) 7 December 1619 (N.S.)– 29 November 1682 (O.S.) December 1682 (N.S) was an English-German army officer, admiral, scientist, and colonial governor. He first rose to ...
, Canada * Valdez, United States *
Vardø Vardo or Vardø may refer to: Places * Vardø Municipality, a municipality in Finnmark county, Norway *Vardø (town) (Norwegian language, Norwegian; ), , or is a List of towns and cities in Norway, town and the administrative centre of Vard ...
, Norway *
Vostochny Port Vostochny Port () is an Intermodal freight transport, intermodal container port at the eastern end of the Trans-Siberian Railway. It is the largest port in the Russian Far East. It is located in Vrangel (an eastern suburb of Nakhodka), Primo ...
, Russia The world's southernmost harbor, located at
Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole. ...
's
Winter Quarters Bay Winter Quarters Bay is a small cove of McMurdo Sound, Antarctica, located due south of New Zealand at 77°50'S. The harbor is the southernmost port in the Southern Ocean and features a floating ice pier for summer cargo operations. The bay is a ...
(77° 50′ South), is sometimes ice-free, depending on the summertime
pack ice Pack or packs may refer to: Music * Packs (band), a Canadian indie rock band * ''Packs'' (album), by Your Old Droog * ''Packs'', a Berner album Places * Pack, Styria, defunct Austrian municipality * Pack, Missouri, United States (US) * ...
conditions.


Important harbors

Although the world's busiest port is a contested title, in 2017 the world's busiest harbor by cargo tonnage was the
Port of Ningbo-Zhoushan The Port of Ningbo-Zhoushan is List of busiest ports by cargo tonnage, the busiest port in the world in terms of cargo tonnage. It handled 888.96 million tons of cargo in 2015. The port is located in Ningbo and Zhoushan, on the coast of the East ...
. The following are large natural harbors:


See also

*
Boyd's Automatic tide signalling apparatus The automatic tide signalling apparatus or Pilot House at Irvine harbour in North Ayrshire, Scotland, is a category B listed building, and is probably unique, having been invented and patented by Martin Boyd, the Irvine harbourmaster, in 1905 ...
*
Dock The word dock () in American English refers to one or a group of human-made structures that are involved in the handling of boats or ships (usually on or near a shore). In British English, the term is not used the same way as in American Engl ...
*
Ice pier An ice pier or ice wharf is a man-made structure used to assist the unloading of ships in Antarctica. It is constructed by pumping seawater into a contained area and allowing the water to freeze. By repeating this procedure several times, additio ...
* Inland harbor *
List of marinas This is a list of marinas in various countries. Albania * Orikum Marina, Orikum, Vlore Australia New South Wales *Sydney ** Empire Marina Bobbin Head ** Akuna Bay Marina ** Berowra Waters ** Blakehurst Marina ** Woolwich Marina ** Cabarita ...
*
List of deepest natural harbours This article presents a non-exhaustive list of the world’s deepest natural harbours. Often formed by flooded estuary, estuaries, ria, rias, fjords, or coastal basins, natural harbours are valued for their protection from ocean swell, deep Navi ...
*
List of seaports The following lists of ports cover ports of various types, maritime facilities with one or more wharves where ships may dock to load and discharge passengers and cargo. Most are on the sea coast or an estuary, but some are many miles inland, wit ...
*
Mandracchio A mandracchio is a small sheltered harbour reserved for the mooring of small boats and fishing vessels. Many mandracchios are found in Italy, including at Ancona, Genoa, La Spezia and Muggia. Naples and Trieste also had mandracchios, but th ...
*
Marina A marina (from Spanish , Portuguese and Italian : "related to the sea") is a dock or basin with moorings and supplies for yachts and small boats. A marina differs from a port in that a marina does not handle large passenger ships or cargo ...
*
Mulberry harbour The Mulberry harbours were two temporary portable harbours developed by the Admiralty (United Kingdom), British Admiralty and War Office during the Second World War to facilitate the rapid offloading of cargo onto beaches during the Allies of ...
*
Quay A wharf ( or wharfs), quay ( , also ), staith, or staithe is a structure on the shore of a harbour or on the bank of a river or canal where ships may dock to load and unload cargo or passengers. Such a structure includes one or more Berth (mo ...
*
Roadstead A roadstead or road is a sheltered body of water where ships can lie reasonably safely at anchor without dragging or snatching.United States Army technical manual, TM 5-360. Port Construction and Rehabilitation'. Washington: United States. Gove ...
*
Seaport A port is a maritime facility comprising one or more wharves or loading areas, where ships load and discharge cargo and passengers. Although usually situated on a sea coast or estuary, ports can also be found far inland, such as Hamburg, Manc ...
*
Shipyard A shipyard, also called a dockyard or boatyard, is a place where ships are shipbuilding, built and repaired. These can be yachts, military vessels, cruise liners or other cargo or passenger ships. Compared to shipyards, which are sometimes m ...
*
Wharf A wharf ( or wharfs), quay ( , also ), staith, or staithe is a structure on the shore of a harbour or on the bank of a river or canal where ships may dock to load and unload cargo or passengers. Such a structure includes one or more Berth (mo ...


Notes


External links

* *
Harbor Maintenance Finance and Funding
Congressional Research Service The Congressional Research Service (CRS) is a public policy research institute of the United States Congress. Operating within the Library of Congress, it works primarily and directly for members of Congress and their committees and staff on a ...
* {{Ports and harbors Coastal construction Nautical terminology Bodies of water Infrastructure Industrial buildings and structures it:Porto tt:Лиман