This is a list of seas of the

World Ocean The ocean is the body of salt water that covers approximately 70.8% of Earth. The ocean is conventionally divided into large bodies of water, which are also referred to as ''oceans'' (the Pacific, Atlantic, Indian, Antarctic/Southern, and ...

, including marginal seas, areas of water, various

gulf A gulf is a large inlet from an ocean or their seas into a landmass, larger and typically (though not always) with a narrower opening than a bay (geography), bay. The term was used traditionally for large, highly indented navigable bodies of s ...

s, bights, bays, and straits. In many cases it is a matter of tradition for a body of water to be named a sea or a bay, etc., therefore all these types are listed here. Entities called "seas" which are not divisions of the World Ocean are not included in this list, nor are Ocean gyres.

Terminology

Ocean The ocean is the body of salt water that covers approximately 70.8% of Earth. The ocean is conventionally divided into large bodies of water, which are also referred to as ''oceans'' (the Pacific, Atlantic, Indian Ocean, Indian, Southern Ocean ...

– the four to seven largest named bodies of water in the World Ocean, all of which have "Ocean" in the name . *

Sea A sea is a large body of salt water. There are particular seas and the sea. The sea commonly refers to the ocean, the interconnected body of seawaters that spans most of Earth. Particular seas are either marginal seas, second-order section ...

has several definitions: ** A division of an ocean, delineated by landforms, currents (e.g., Sargasso Sea), or specific latitude or longitude boundaries. This includes but is not limited to marginal seas, and this is the definition used for inclusion in this list. ** A marginal sea is a division of an ocean, partially enclosed by

island An island or isle is a piece of land, distinct from a continent, completely surrounded by water. There are continental islands, which were formed by being split from a continent by plate tectonics, and oceanic islands, which have never been ...

archipelago An archipelago ( ), sometimes called an island group or island chain, is a chain, cluster, or collection of islands. An archipelago may be in an ocean, a sea, or a smaller body of water. Example archipelagos include the Aegean Islands (the o ...

s, or

peninsula A peninsula is a landform that extends from a mainland and is only connected to land on one side. Peninsulas exist on each continent. The largest peninsula in the world is the Arabian Peninsula. Etymology The word ''peninsula'' derives , . T ...

s, adjacent to or widely open to the open ocean at the surface, and/or bounded by submarine ridges on the sea floor. ** The World Ocean. For example, the

Law of the Sea Law of the sea (or ocean law) is a body of international law governing the rights and duties of State (polity), states in Ocean, maritime environments. It concerns matters such as navigational rights, sea mineral claims, and coastal waters juris ...

states that all of the World Ocean is "sea", and this is also common usage for "the sea". ** Any large body of water with "Sea" in the name, including lakes. *

River A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...

– a narrow strip of water that flows over land from a higher elevation to a lower one *

Tributary A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...

– a small river that flows into a larger one *

Estuary An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime enviro ...

– the piece of a river that flows into the sea or ocean * Strait – a narrow area of water connecting two wider areas of water, also sometimes known as a passage * Channel – usually wider than a strait * Passage – connects waters between islands, also sometimes known as a strait *

Canal Canals or artificial waterways are waterways or engineered channels built for drainage management (e.g. flood control and irrigation) or for conveyancing water transport vehicles (e.g. water taxi). They carry free, calm surface ...

– a human-made channel * Fjard – a large open water between groups of islands There are several terms used for bulges of ocean that result from indentations of land, which overlap in definition, and which are not consistently differentiated: * Bay – generic term; though most features with "Bay" in the name are small, some are very large *

Gulf A gulf is a large inlet from an ocean or their seas into a landmass, larger and typically (though not always) with a narrower opening than a bay (geography), bay. The term was used traditionally for large, highly indented navigable bodies of s ...

– a very large bay, often a top-level division of an ocean or sea *

Fjord In physical geography, a fjord (also spelled fiord in New Zealand English; ) is a long, narrow sea inlet with steep sides or cliffs, created by a glacier. Fjords exist on the coasts of Antarctica, the Arctic, and surrounding landmasses of the n ...

– a long bay with steep sides, typically formed by a

glacier A glacier (; or ) is a persistent body of dense ice, a form of rock, that is constantly moving downhill under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires ...

* Bight – a bay that is typically shallower than a sound *

Sound In physics, sound is a vibration that propagates as an acoustic wave through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, sound is the ''reception'' of such waves and their ''perception'' by the br ...

– a large, wide bay which is typically deeper than a bight, or a strait *

Cove A cove is a small bay or coastal inlet. They usually have narrow, restricted entrances, are often circular or oval, and are often situated within a larger bay. Small, narrow, sheltered bays, inlets, creek (tidal), creeks, or recesses in a coast ...

– a small, typically sheltered bay with a relatively narrow entrance *

Inlet An inlet is a typically long and narrow indentation of a shoreline such as a small arm, cove, bay, sound, fjord, lagoon or marsh, that leads to an enclosed larger body of water such as a lake, estuary, gulf or marginal sea. Overview In ...

– a narrow and long bay similar to a land peninsula, but adjoining the sea *

Polynya A polynya () is an area of open water surrounded by sea ice. It is now used as a geographical term for an area of unfrozen seawater within otherwise contiguous pack ice or fast ice. It is a loanword from the Russian language, Russian (), whic ...

– least used of these terms, a patch of water surrounded by ice Many features could be considered to be more than one of these, and all of these terms are used in place names inconsistently; especially bays, gulfs, and bights, which can be very large or very small. This list includes large areas of water no matter the term used in the name.

Largest seas by area

The largest terrestrial seas, in decreasing order of area, are: # Philippine Sea – #

Coral Sea The Coral Sea () is a marginal sea of the Pacific Ocean, South Pacific off the northeast coast of Australia, and classified as an Interim Biogeographic Regionalisation for Australia, interim Australian bioregion. The Coral Sea extends down t ...

– # American Mediterranean Sea – #

Arabian Sea The Arabian Sea () is a region of sea in the northern Indian Ocean, bounded on the west by the Arabian Peninsula, Gulf of Aden and Guardafui Channel, on the northwest by Gulf of Oman and Iran, on the north by Pakistan, on the east by India, and ...

– # Sargasso Sea – #

South China Sea The South China Sea is a marginal sea of the Western Pacific Ocean. It is bounded in the north by South China, in the west by the Indochinese Peninsula, in the east by the islands of Taiwan island, Taiwan and northwestern Philippines (mainly Luz ...

– #

Weddell Sea The Weddell Sea is part of the Southern Ocean and contains the Weddell Gyre. Its land boundaries are defined by the bay formed from the coasts of Coats Land and the Antarctic Peninsula. The easternmost point is Cape Norvegia at Princess Martha C ...

– #

Caribbean Sea The Caribbean Sea is a sea of the Atlantic Ocean, North Atlantic Ocean in the tropics of the Western Hemisphere, located south of the Gulf of Mexico and southwest of the Sargasso Sea. It is bounded by the Greater Antilles to the north from Cuba ...

– #

Mediterranean Sea The Mediterranean Sea ( ) is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean basin and almost completely enclosed by land: on the east by the Levant in West Asia, on the north by Anatolia in West Asia and Southern Eur ...

– # Gulf of Guinea – #

Tasman Sea The Tasman Sea is a marginal sea of the South Pacific Ocean, situated between Australia and New Zealand. It measures about across and about from north to south. The sea was named after the Dutch explorer Abel Janszoon Tasman, who in 1642 wa ...

– #

Bay of Bengal The Bay of Bengal is the northeastern part of the Indian Ocean. Geographically it is positioned between the Indian subcontinent and the Mainland Southeast Asia, Indochinese peninsula, located below the Bengal region. Many South Asian and Southe ...

– #

Bering Sea The Bering Sea ( , ; rus, Бе́рингово мо́ре, r=Béringovo móre, p=ˈbʲerʲɪnɡəvə ˈmorʲe) is a marginal sea of the Northern Pacific Ocean. It forms, along with the Bering Strait, the divide between the two largest landmasse ...

– # Sea of Okhotsk – #

Gulf of Mexico The Gulf of Mexico () is an oceanic basin and a marginal sea of the Atlantic Ocean, mostly surrounded by the North American continent. It is bounded on the northeast, north, and northwest by the Gulf Coast of the United States; on the southw ...

– # Gulf of Alaska – # Barents Sea – # Norwegian Sea – # East China Sea – # Hudson Bay – # Greenland Sea – # Somov Sea – # Mar de Grau – # Riiser-Larsen Sea – #

Sea of Japan The Sea of Japan is the marginal sea between the Japanese archipelago, Sakhalin, the Korean Peninsula, and the mainland of the Russian Far East. The Japanese archipelago separates the sea from the Pacific Ocean. Like the Mediterranean Sea, it ...

– #

Argentine Sea The Argentine Sea () is a marginal sea of the Atlantic Ocean adjacent to the southern tip of South America. It ranges from the mouth of the estuary of the Río de la Plata in the north (35th parallel south) to the Isla de los Estados in the south, ...

– # East Siberian Sea – # Lazarev Sea – # Kara Sea – # Scotia Sea – #

Labrador Sea The Labrador Sea (; ) is an arm of the North Atlantic Ocean between the Labrador Peninsula and Greenland. The sea is flanked by continental shelf, continental shelves to the southwest, northwest, and northeast. It connects to the north with Baffi ...

– #

Andaman Sea The Andaman Sea (historically also known as the Burma Sea) is a marginal sea of the northeastern Indian Ocean bounded by the coastlines of Myanmar and Thailand along the Gulf of Martaban and the west side of the Malay Peninsula, and separated f ...

– # Laccadive Sea – # Irminger Sea – # Solomon Sea – # Mozambique Channel – # Cosmonauts Sea – #

Banda Sea The Banda Sea (, , ) is one of four seas that surround the Maluku Islands of Indonesia, connected to the Pacific Ocean, but surrounded by hundreds of islands, including Timor, as well as the Halmahera Sea, Halmahera and Ceram Seas. It is about ...

– #

Baffin Bay Baffin Bay (Inuktitut: ''Saknirutiak Imanga''; ; ; ), located between Baffin Island and the west coast of Greenland, is defined by the International Hydrographic Organization as a marginal sea of the Arctic Ocean. It is sometimes considered a s ...

– # Laptev Sea – # Arafura Sea – #

Ross Sea The Ross Sea is a deep bay of the Southern Ocean in Antarctica, between Victoria Land and Marie Byrd Land and within the Ross Embayment, and is the southernmost sea on Earth. It derives its name from the British explorer James Clark Ross who ...

– # Chukchi Sea – # Timor Sea – #

North Sea The North Sea lies between Great Britain, Denmark, Norway, Germany, the Netherlands, Belgium, and France. A sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian Se ...

– # Bellingshausen Sea – #

Beaufort Sea The Beaufort Sea ( ; ) is a marginal sea of the Arctic Ocean, located north of the Northwest Territories, Yukon, and Alaska, and west of the Canadian Arctic Archipelago. The sea is named after Sir Francis Beaufort, a Hydrography, hydrographer. T ...

– #

Red Sea The Red Sea is a sea inlet of the Indian Ocean, lying between Africa and Asia. Its connection to the ocean is in the south, through the Bab-el-Mandeb Strait and the Gulf of Aden. To its north lie the Sinai Peninsula, the Gulf of Aqaba, and th ...

– #

Black Sea The Black Sea is a marginal sea, marginal Mediterranean sea (oceanography), mediterranean sea lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bound ...

– #

Gulf of Aden The Gulf of Aden (; ) is a deepwater gulf of the Indian Ocean between Yemen to the north, the Arabian Sea to the east, Djibouti to the west, and the Guardafui Channel, the Socotra Archipelago, Puntland in Somalia and Somaliland to the south. ...

– # Yellow Sea – #

Baltic Sea The Baltic Sea is an arm of the Atlantic Ocean that is enclosed by the countries of Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia, Sweden, and the North European Plain, North and Central European Plain regions. It is the ...

– #

Caspian Sea The Caspian Sea is the world's largest inland body of water, described as the List of lakes by area, world's largest lake and usually referred to as a full-fledged sea. An endorheic basin, it lies between Europe and Asia: east of the Caucasus, ...

– # Libyan Sea – # Mawson Sea – # Levantine Sea – #

Java Sea The Java Sea (, ) is an extensive shallow sea on the Sunda Shelf, between the Indonesian islands of Borneo to the north, Java to the south, Sumatra to the west, and Sulawesi to the east. Karimata Strait to its northwest links it to the South Ch ...

– # Gulf of Thailand – # Celtic Sea – #

Gulf of Carpentaria The Gulf of Carpentaria is a sea off the northern coast of Australia. It is enclosed on three sides by northern Australia and bounded on the north by the eastern Arafura Sea, which separates Australia and New Guinea. The northern boundary ...

– # Celebes Sea – #

Tyrrhenian Sea The Tyrrhenian Sea (, ; or ) , , , , is part of the Mediterranean Sea off the western coast of Italy. It is named for the Tyrrhenians, Tyrrhenian people identified with the Etruscans of Italy. Geography The sea is bounded by the islands of C ...

– # Sulu Sea – # Cooperation Sea – #

Persian Gulf The Persian Gulf, sometimes called the Arabian Gulf, is a Mediterranean seas, mediterranean sea in West Asia. The body of water is an extension of the Arabian Sea and the larger Indian Ocean located between Iran and the Arabian Peninsula.Un ...

– # Flores Sea – # Gulf of St. Lawrence – # Bay of Biscay – #

Aegean Sea The Aegean Sea is an elongated embayment of the Mediterranean Sea between Europe and Asia. It is located between the Balkans and Anatolia, and covers an area of some . In the north, the Aegean is connected to the Marmara Sea, which in turn con ...

– # Gulf of Anadyr – #

Molucca Sea The Molucca Sea (Indonesian language, Indonesian: ''Laut Maluku'') is located in the western Pacific Ocean, around the vicinity of Indonesia, specifically bordered by the Indonesian Islands of Sulawesi, Celebes (Sulawesi) to the west, Halmahera t ...

– # Oman Sea – # Ionian Sea – # Gulf of California – # Balearic Sea – #

Adriatic Sea The Adriatic Sea () is a body of water separating the Italian Peninsula from the Balkans, Balkan Peninsula. The Adriatic is the northernmost arm of the Mediterranean Sea, extending from the Strait of Otranto (where it connects to the Ionian Se ...

–

Marginal seas by ocean

Seas may be considered marginal between ocean and land, or between oceans in which case they may be treated as marginal parts of either. There is no single ultimate authority on the matter. IrishSeaReliefmap

Arctic Ocean

(clockwise from 180°) * Chukchi Sea * East Siberian Sea * Laptev Sea * Kara Sea * Barents Sea (connected to the Kara Sea by the Kara Strait) ** Pechora Sea **

White Sea The White Sea (; Karelian language, Karelian and ; ) is a southern inlet of the Barents Sea located on the northwest coast of Russia. It is surrounded by Karelia to the west, the Kola Peninsula to the north, and the Kanin Peninsula to the nort ...

Queen Victoria Sea The Queen Victoria Sea (, ''Morye Korolevy Viktorii'') is a body of water in the Arctic Ocean, stretching from northeast of Svalbard to northwest Franz Josef Land. It is obstructed by ice most of the year. This sea is named after Queen Victoria. ...

Wandel Sea The Wandel Sea (; also known as McKinley Sea) is a body of water in the Greenland Sea, stretching from northeast of Greenland to Svalbard. It is obstructed by ice most of the year. This sea is named after Danish polar explorer and hydrographer, ...

* Greenland Sea * Lincoln Sea (recognized by the IHO but not the IMO) *

* The Northwest Passages ** Prince Gustaf Adolf Sea ** Amundsen Gulf * Hudson Bay ** Foxe Basin *** Bowman Bay ** Wager Bay ** Roes Welcome Sound ** Foxe Channel ** Bay of Gods Mercy ** Hudson Strait *** Ungava Bay ** Native Bay ** Evans Strait ** Fisher Strait ** James Bay *

Atlantic Ocean

In addition to the marginal seas listed in the three subsections below, the

Arctic Ocean The Arctic Ocean is the smallest and shallowest of the world's five oceanic divisions. It spans an area of approximately and is the coldest of the world's oceans. The International Hydrographic Organization (IHO) recognizes it as an ocean, ...

itself is sometimes also considered a marginal sea of the Atlantic.

Africa and Eurasia

* Norwegian Sea *

Kattegat The Kattegat (; ; ) is a sea area bounded by the peninsula of Jutland in the west, the Danish straits islands of Denmark and the Baltic Sea to the south and the Swedish provinces of Bohuslän, Västergötland, Halland and Scania in Swede ...

Skagerrak The Skagerrak (; , , ) is a strait running between the North Jutlandic Island of Denmark, the east coast of Norway and the west coast of Sweden, connecting the North Sea and the Kattegat sea. The Skagerrak contains some of the busiest shipping ...

Wadden Sea The Wadden Sea ( ; ; or ; ; ; ) is an intertidal zone in the southeastern part of the North Sea. It lies between the coast of northwestern continental Europe and the range of low-lying Frisian Islands, forming a shallow body of water with tida ...

** Dogger Bank *

** Gulf of Bothnia ** Kvarken ** Bothnian Sea ** South Kvarken ** Sea of Åland ** Archipelago Sea **

Gulf of Finland The Gulf of Finland (; ; ; ) is the easternmost arm of the Baltic Sea. It extends between Finland to the north and Estonia to the south, to Saint Petersburg—the second largest city of Russia—to the east, where the river Neva drains into it. ...

*** Vyborg Bay *** Neva Bay *** Koporye Bay *** Luga Bay *** Narva Bay ** Väinameri Sea ** Gulf of Riga ** Curonian Lagoon ** Vistula Lagoon ** Gdańsk Bay ** Bay of Pomerania ** Szczecin Lagoon ** Bay of Greifswald *** Rügischer Bodden ** Strelasund ** Bay of Lübeck ** Bay of Kiel ** Kalmar Strait ** Bight of Hanö ** Danish straits *** Oresund Strait *** Fehmarn Belt *** Great Belt *** Little Belt *

English Channel The English Channel, also known as the Channel, is an arm of the Atlantic Ocean that separates Southern England from northern France. It links to the southern part of the North Sea by the Strait of Dover at its northeastern end. It is the busi ...

** Strait of Dover *

Irish Sea The Irish Sea is a body of water that separates the islands of Ireland and Great Britain. It is linked to the Celtic Sea in the south by St George's Channel and to the Inner Seas off the West Coast of Scotland in the north by the North Ch ...

* Celtic Sea ** Iroise Sea * Bay of Biscay ** Cantabrian Sea * Gulf of Cádiz *

** Alboran Sea **

Bosporus The Bosporus or Bosphorus Strait ( ; , colloquially ) is a natural strait and an internationally significant waterway located in Istanbul, Turkey. The Bosporus connects the Black Sea to the Sea of Marmara and forms one of the continental bo ...

Dardanelles The Dardanelles ( ; ; ), also known as the Strait of Gallipoli (after the Gallipoli peninsula) and in classical antiquity as the Hellespont ( ; ), is a narrow, natural strait and internationally significant waterway in northwestern Turkey th ...

** Mar Menor ** Balearic (Catalan) Sea *** Gulf of Valencia ** Gulf of Lion *** Étang de Thau ** Ligurian Sea *** Gulf of Genoa *** Gulf of Saint Florent **

*** Gulf of Follonica *** Gulf of Gaeta ***

Gulf of Naples The Gulf of Naples (), also called the Bay of Naples, is a roughly 15-kilometer-wide (9.3 mi) gulf located along the south-western coast of Italy (Metropolitan City of Naples, Campania region). It opens to the west into the Mediterranean ...

*** Gulf of Salerno *** Gulf of Cagliari *** Strait of Bonifacio *** Strait of Messina **

*** Bay of Kotor *** Kvarner Gulf *** Gulf of Drin *** Gulf of Venice **** Gulf of Trieste **** Venetian Lagoon *** Gulf of Manfredonia ** Ionian Sea *** Gulf of Taranto *** Straits of Corfu *** Ambracian Gulf *** Gulf of Patras *** Gulf of Corinth *** Gulf of Kyparissia *** Messenian Gulf *** Laconian Gulf **

*** Myrtoan Sea ***

Argolic Gulf The Argolic Gulf (), also known as the Gulf of Argolis, is a gulf of the Aegean Sea off the east coast of the Peloponnese, Greece. It is about 50 km long and 30 km wide. Its main port is Nafplio, at its northwestern end. At the entrance ...

*** Saronic Gulf *** Petalioi Gulf *** South Euboean Gulf *** North Euboean Gulf *** Malian Gulf *** Pagasetic Gulf ***

Thermaic Gulf The Thermaic Gulf (, ), also called the Gulf of Thessaloniki and the Macedonian Gulf, is a Gulf (geography), gulf constituting the northwest corner of the Aegean Sea. The city of Thessaloniki is at its northeastern tip, and it is bounded by Pie ...

*** Thracian Sea **** Gulf of Saros **** Singitic Gulf **** Strymonian Gulf **** Toronean Gulf *** Edremit Gulf *** Gulf of İzmir *** Icarian Sea **** Gulf of Gökova *** Carpathian Sea *** Sea of Crete **** Gulf of Chania **** Kissamou Gulf **** Mirabello Bay **** Souda Bay **

Sea of Marmara The Sea of Marmara, also known as the Sea of Marmora or the Marmara Sea, is a small inland sea entirely within the borders of Turkey. It links the Black Sea and the Aegean Sea via the Bosporus and Dardanelles straits, separating Turkey's E ...

*** Gulf of İzmit ** Levantine Sea *** Gulf of Antalya *** Gulf of Alexandretta ** Libyan Sea *** Gulf of Sidra ** Gulf of Gabès ** Strait of Sicily *** Gulf of Tunis *** Inland Sea, Gozo ** Sea of Sardinia ***

Gulf of Asinara The Gulf of Asinara is a sea sector included between the Asinara Island, Cape Falcone and the town of Castelsardo, in northern Sardinia, Italy. The communes facing its coast include also Stintino, Porto Torres, Sassari, Sorso Sorso () is a ...

Often treated as a part of the

. ** Gulf of Burgas ** Karkinit Bay ** Kalamita Bay **

Sea of Azov The Sea of Azov is an inland Continental shelf#Shelf seas, shelf sea in Eastern Europe connected to the Black Sea by the narrow (about ) Strait of Kerch, and sometimes regarded as a northern extension of the Black Sea. The sea is bounded by Ru ...

*** Syvash *** Taganrog Bay * Bay of Arguin ** Dakhlet Nouadhibou * Yawri Bay * Gulf of Guinea ** Bight of Benin ** Bight of Biafra *** Corisco Bay * Luanda Bay * Walvis Bay *

Saldanha Bay Saldanha Bay () is a natural harbour on the south-western coast of South Africa. The town that developed on the northern shore of the bay, also called Saldanha, Western Cape, Saldanha, was incorporated with five other towns into the Saldanha Bay ...

* Table Bay * False Bay

Americas

(coast-wise from north to south) *

North Water Polynya The North Water Polynya (NOW), or ''Pikialasorsuaq'' to Inuit in Greenland and ''Sarvarjuaq'' to Inuit in Canada, is a polynya (area of year-round open water surrounded by sea ice) that lies between Greenland and Canada in northern Baffin Bay. ...

Davis Strait The Davis Strait (Danish language, Danish: ''Davisstrædet'') is a southern arm of the Arctic Ocean that lies north of the Labrador Sea. It lies between mid-western Greenland and Baffin Island in Nunavut, Canada. To the north is Baffin Bay. The ...

** Home Bay *

** Cumberland Sound ** Frobisher Bay * Gulf of St. Lawrence * Gulf of Maine **

Bay of Fundy The Bay of Fundy () is a bay between the Canadian provinces of New Brunswick and Nova Scotia, with a small portion touching the U.S. state of Maine. It is an arm of the Gulf of Maine. Its tidal range is the highest in the world. The bay was ...

** Massachusetts Bay ** Cape Cod Bay * Nantucket Sound * Vineyard Sound * Buzzards Bay * Narragansett Bay * Rhode Island Sound * Block Island Sound * Fishers Island Sound *

Long Island Sound Long Island Sound is a sound (geography), marine sound and tidal estuary of the Atlantic Ocean. It lies predominantly between the U.S. state of Connecticut to the north and Long Island in New York (state), New York to the south. From west to east, ...

** Shelter Island Sound ** Noyack Bay ** Peconic Bay ** Gardiners Bay ** Tobaccolot Bay ** Sag Harbor Bay ** Three Mile Harbor ** Long Beach Bay ** Pipes Cove ** Southold Bay ** Flanders Bay ** Napeague Bay ** Fort Pond Bay ** North Sea Harbor * New York Bay ** Upper New York Bay ** Lower New York Bay * Jamaica Bay * Raritan Bay * Sandy Hook Bay * Delaware Bay *

Chesapeake Bay The Chesapeake Bay ( ) is the largest estuary in the United States. The bay is located in the Mid-Atlantic (United States), Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula, including parts of the Ea ...

* Albemarle Sound * Pamlico Sound * American Mediterranean Sea **

*** Florida Bay *** Tampa Bay *** Charlotte Harbor Estuary *** Pensacola Bay *** Mobile Bay *** Vermilion Bay *** Galveston Bay *** Bay of Campeche ** Old Bahama Channel **

*** Gulf of Gonâve (

Haiti Haiti, officially the Republic of Haiti, is a country on the island of Hispaniola in the Caribbean Sea, east of Cuba and Jamaica, and south of the Bahamas. It occupies the western three-eighths of the island, which it shares with the Dominican ...

) *** Gulf of Honduras *** Golfo de los Mosquitos *** Gulf of Venezuela **** Lake Maracaibo ***

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 ...

*** Gulf of Darién * Bay of All Saints * Guanabara Bay * Lagoa dos Patos *

** Samborombón Bay ** San Matías Gulf ** Golfo Nuevo ** San Jorge Gulf

Northern islands

(from east to west) *

(between

Great Britain Great Britain is an island in the North Atlantic Ocean off the north-west coast of continental Europe, consisting of the countries England, Scotland, and Wales. With an area of , it is the largest of the British Isles, the List of European ...

and

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 ...

) * Inner Seas off the West Coast of Scotland ** Sea of the Hebrides (Great Britain) * Denmark Strait (between

Greenland Greenland is an autonomous territory in the Danish Realm, Kingdom of Denmark. It is by far the largest geographically of three constituent parts of the kingdom; the other two are metropolitan Denmark and the Faroe Islands. Citizens of Greenlan ...

and

Iceland Iceland is a Nordic countries, Nordic island country between the Atlantic Ocean, North Atlantic and Arctic Oceans, on the Mid-Atlantic Ridge between North America and Europe. It is culturally and politically linked with Europe and is the regi ...

) * Irminger Sea

Indian Ocean

** Gulf of Martaban – an arm of the Andaman Sea in the southern part of

Myanmar Myanmar, officially the Republic of the Union of Myanmar; and also referred to as Burma (the official English name until 1989), is a country in northwest Southeast Asia. It is the largest country by area in Mainland Southeast Asia and has ...

* Antongil Bay *

** Gulf of Kutch ** Gulf of Khambhat ** Gulf of Masirah ** Sonmiani Bay *

** Palk Bay ** Palk Strait *

* Gulf of Oman * Laccadive Sea ** Gulf of Mannar * Mafia Channel * Mentawai Strait * Mozambique Channel * Pemba Channel *

Clarence Strait (Iran) The Clarence Strait is a narrow strait separating the Iranian island of Qeshm from the Iranian mainland. It is the much smaller counterpart to the Strait of Hormuz. The native name for the strait is Khuran. The Clarence Strait is host to the mos ...

** Kuwait Bay ** Gulf of Bahrain *** Gulf of Salwah ** Strait of Hormuz *

** Bab-el-Mandeb ** Gulf of Suez ** Gulf of Aqaba * Sea of Zanj * Timor Sea * Zanzibar Channel

Pacific Ocean

Americas

** Bristol Bay ** Norton Sound * Chilean Sea ** Gulf of Corcovado ** Gulf of Penas ** Moraleda Channel ** Reloncaví Sound ** Sea of Chiloé * Gulf of Alaska ** Cook Inlet ** Glacier Bay ** Prince William Sound * Gulf of Santa Catalina * Salish Sea * Gulf of California (also known as the Sea of Cortés) * Gulf of the Farallones * Gulf of Fonseca * Gulf of Guayaquil *

Gulf of Nicoya The Gulf of Nicoya () is an inlet of the Pacific Ocean. It separates the Nicoya Peninsula from the mainland of Costa Rica, and encompasses a marine and coastal landscape of wetlands, rocky islands and cliffs. The first Spanish landing in Nicaragua ...

* Gulf of Panama ** Bay of San Miguel ** Gulf of Parita ** Panama Bay * Grau Sea *

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 ...

** San Pablo Bay

Australia and Eurasia

* Australasian Mediterranean Sea ** Arafura Sea ** Balabac Strait ** Bali Sea ** Bali Strait **

** Bangka Strait ** Celebes Sea *** Moro Gulf ** Ceram Sea ** Davao Gulf ** Flores Sea ** Gaspar Strait **

** Gulf of Thailand *** Bandon Bay *** Bay of Bangkok *** Bay of Kampong Som **

Gulf of Boni __NOTOC__ The Gulf of Boni (), also known as the Gulf of Bone, Bay of Boni, and Bone Bay, is the gulf which divides the South and Southeast Peninsulas of the island of Sulawesi (Celebes) in Indonesia. It opens on the south into the Banda Sea. ...

Gulf of Tomini The Gulf of Tomini (), also known as the Bay of Tomini, is the equatorial gulf which separates the Minahassa (Northern) and East Peninsulas of the island of Sulawesi (Celebes) in Indonesia. The Togian Islands lie near its center. To the east ...

** Halmahera Sea **

** Karimata Strait ** Lombok Strait ** Madura Strait ** Makassar Strait ** Malacca Strait **

** Mindoro Strait ** Ombai Strait ** Philippine Inland Sea *** Balayan Bay *** Bohol Sea (also known as the Mindanao Sea) *** Camotes Sea *** Cebu Strait *** Guimaras Strait *** Leyte Gulf *** Luzon Sea ***

Manila Bay Manila Bay (; ) is a natural harbor that serves the Port of Manila (on Luzon), in the Philippines. Strategically located around the Manila, capital city of the Philippines, Manila Bay facilitated commerce and trade between the Philippines and ...

*** Ragay Gulf *** Samar Sea **** Carigara Bay *** San Bernardino Strait ***

Sibuyan Sea The Sibuyan Sea is a small sea in the Philippines separating Luzon and the Visayas. It is bounded by the island of Panay to the south, Mindoro to the west, Masbate to the east, and to the north Marinduque and the Bicol Peninsula of Luzon. ...

*** Surigao Strait *** Tablas Strait *** Tañon Strait *** Tayabas Bay *** Visayan Sea ** Riau Strait ** Savu Sea **

*** Chao’an Bay *** Da Nang Bay *** Daya Bay *** Dongshan Bay *** Futou Bay *** Guang’ao Bay *** Guanghai Bay *** Gulf of Tonkin **** Beihai Channel ****

Ha Long Bay Ha may refer to: Agencies and organizations * Health authority, a former type of administrative organisation of the NHS in England and Wales * Hells Angels Motorcycle Club * Highways Agency (renamed ''Highways England'', now ''National Highways'' ...

**** Qinzhou Bay *** Haimen Bay *** Haitang Bay *** Hiechechin Bay *** Honghai Bay *** Huangmao Sea *** Jiuzhouyang **** Deep Bay, China **** East Lamma Channel **** Praia Grande (Macau) **** West Lamma Channel *** Leizhou Bay ***

Lingayen Gulf Lingayen Gulf is a large gulf on northwestern Luzon in the Philippines, stretching . It is framed by the provinces of Pangasinan and La Union and sits between the Zambales Mountains and the Cordillera Central (Luzon), Cordillera Central. The Agno ...

*** Luzon Strait *** Mirs Bay *** Natuna Sea **** North Natuna Sea *** Qiongzhou Strait **** Haikou Bay *** Taiwan Strait **** Meizhou Bay **** Penghu Channel **** Quanzhou Bay **** Weitou Bay **** Xiamen Bay **** Xinghua Bay *** Sanya Bay *** Sun and Moon Bay *** West Philippine Sea *** Yalong Bay *** Zhanjiang Bay *** Zhelin Bay *** Zhenhai Bay ** Straits of Johor *** Singapore Strait ** Sulu Sea *** Panay Gulf ** Sunda Strait ** Timor Sea *** Joseph Bonaparte Gulf ** Wetar Strait * Bass Strait *

Bay of Plenty The Bay of Plenty () is a large bight (geography), bight along the northern coast of New Zealand's North Island. It stretches from the Coromandel Peninsula in the west to Cape Runaway in the east. Called ''Te Moana-a-Toitehuatahi'' (the Ocean ...

* Bismarck Sea *

** Gulf of Papua ** Torres Strait * East China Sea ** Ariake Sea ** Dinghai Bay ** Fuqing Bay ** Haitan Strait ** Hangzhou Bay ** Jeju Strait ** Kagoshima Bay ** Miyako Strait ** Luoyuan Bay ** Omura Bay ** Osumi Strait ** Tachibana Bay ** Taizhou Bay ** Yatsushiro Sea ** Yellow Sea ***

Bohai Sea The Bohai Sea ( zh, c=渤海, p=Bó Hǎi, l=Bo Sea) is a gulf/inland sea approximately in area on the east coast of Mainland China. It is the northwestern and innermost extension of the Yellow Sea, to which it connects via the Bohai Strait. It ...

**** Bohai Bay **** Jinzhou Bay **** Laizhou Bay **** Liaodong Bay *** Dalian Bay *** Gyeonggi Bay *** Haizhou Bay *** Jiaozhou Bay *** Laoshan Bay *** Korea Bay *** Sanggou Bay *** Taozi Bay ** Yueqing Bay * Fourth Kuril Strait *

Great Australian Bight The Great Australian Bight is a large oceanic bight (geography), bight, or open bay, off the central and western portions of the southern Coast, coastline of mainland Australia. There are two definitions for its extent—one by the Internation ...

* Hauraki Gulf * Hawke's Bay * Hitokappu Bay * Koro Sea * Kuril Strait * Philippine Sea ** Albay Gulf ** Devil's/Dragon's Sea ** Ise Bay *** Mikawa Bay ** Lamon Bay ** Lagonoy Gulf ** San Miguel Bay ** Shibushi Bay ** Suruga Bay ** Sagami Bay ** Tosa Bay **

Tokyo Bay is a bay located in the southern Kantō region of Japan spanning the coasts of Tokyo, Kanagawa Prefecture, and Chiba Prefecture, on the southern coast of the island of Honshu. Tokyo Bay is connected to the Pacific Ocean by the Uraga Channel. Th ...

*** Uraga Channel * Poverty Bay *

** East Korea Bay ** Ishikari Bay ** La Pérouse Strait ** Mutsu Bay ** Oki Strait ** Peter the Great Gulf *** Amur Bay *** Nakhodka Bay *** Ussuri Bay ** Sado Strait ** Sōya Bay ** Strait of Tatary ** Strait of Tsushima ** Toyama Bay ** Tsugaru Strait ** Wakasa Bay * Sea of Okhotsk ** Aniva Bay ** Gulf of Patience ** Nemuro Strait ** Shantar Sea ** Shelikhov Gulf ** Uda Bay * Seto Inland Sea ** Beppu Bay ** Bungo Channel *** Hoyo Strait ** Kanmon Straits ** Kii Channel ** Kitan Strait ** Naruto Strait ** Osaka Bay * Solomon Sea * Spencer Gulf *

* Uchiura Bay * Vries Strait * Waihau Bay

Southern Ocean

* Amundsen Sea * Bellingshausen Sea * Cooperation Sea * Cosmonauts Sea * Davis Sea * D'Urville Sea * Drake Passage * King Haakon VII Sea * Lazarev Sea * Mawson Sea * McMurdo Sound ** Polynyas in McMurdo Sound * Riiser-Larsen Sea *

* Scotia Sea * Somov Sea * Spencer Gulf *

** Weddell Polynya/Maud Rise Polynya

Defined by ocean currents

While all other seas in the world are defined at least in part by land boundaries, there is only one sea which is defined only by ocean currents:National Oceanic and Atmospheric Administration – What is the Sargasso Sea?
/ref> * Sargasso Sea – a sea defined by the four ocean currents which create the North Atlantic Gyre

Not included

Entities called "seas" which are not divisions of the World Ocean are not included in this list. Excluded are: *Lakes, ponds, etc.: ** Salt lakes with "Sea" in the name: Aral Sea,

Dead Sea The Dead Sea (; or ; ), also known by #Names, other names, is a landlocked salt lake bordered by Jordan to the east, the Israeli-occupied West Bank to the west and Israel to the southwest. It lies in the endorheic basin of the Jordan Rift Valle ...

, Salton Sea ** Freshwater lakes with "Sea" in the name:

Sea of Galilee The Sea of Galilee (, Judeo-Aramaic languages, Judeo-Aramaic: יַמּא דטבריא, גִּנֵּיסַר, ), also called Lake Tiberias, Genezareth Lake or Kinneret, is a freshwater lake in Israel. It is the lowest freshwater lake on Earth ...

** Bodies of water identified in lakes (bays, straits, etc.) * Ocean gyres * Seas in

fiction Fiction is any creative work, chiefly any narrative work, portraying character (arts), individuals, events, or setting (narrative), places that are imagination, imaginary or in ways that are imaginary. Fictional portrayals are thus inconsistent ...

religion Religion is a range of social system, social-cultural systems, including designated religious behaviour, behaviors and practices, morals, beliefs, worldviews, religious text, texts, sanctified places, prophecies, ethics in religion, ethics, or ...

or mythology

Notes

References

External links

* {{Physical oceanography, expanded=other * Seas Geographic taxonomies Oceanography

Terminology

Largest seas by area

Marginal seas by ocean

Arctic Ocean

Atlantic Ocean

Africa and Eurasia

Americas

Northern islands

Indian Ocean

Pacific Ocean

Americas

Australia and Eurasia

Southern Ocean

Defined by ocean currents

Not included

See also

Notes

References

External links