Seas by continent
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This is a list of seas of the Ocean#World ocean, World Ocean, including marginal seas, areas of water, various gulfs, bights, bays, and straits.


Terminology

* Ocean – the four to seven largest named bodies of water in the World Ocean, all of which have "Ocean" in the name. See Borders of the oceans for details. * Sea has several definitions: ** A marginal sea is a division of an ocean, partially enclosed by islands, archipelagos, or peninsulas, adjacent to or widely open to the open ocean at the surface, and/or bounded by submarine ridges on the sea floor. ** 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. ** The World Ocean. For example, the United Nations Convention on the Law of the Sea, Law of the Sea 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 narrow strip of water that flows over land from a higher elevation to a lower one * Tributary – a small river that flows into a larger one * Estuary – 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 (geography), Channel – usually wider than a strait * Passage – connects waters between islands, also sometimes known as a strait * Canal – a man-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 very large bay, often a top-level division of an ocean or sea * Fjord – a long bay with steep sides, typically formed by a glacier * Bight (geography), Bight – a bay that is typically shallower than a sound * Sound (geography), Sound – a large, wide bay which is typically deeper than a bight, or a strait * Cove – a small, typically sheltered bay with a relatively narrow entrance * Inlet – a narrow and long bay similar to a land peninsula, but adjoining the sea * Polynya – 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 Toponymy, 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 are: # Philippine Sea – 5.695 million km2 # Coral Sea – 4.791 million km2 # American Mediterranean Sea – 4.200 million km2 # Arabian Sea – 3.862 million km2 # Sargasso Sea – 3.5 million km2 # South China Sea – 3.5 million km2 # Weddell Sea – 2.8 million km2 # Caribbean Sea – 2.754 million km2 # Mediterranean Sea – 2.510 million km2 # Gulf of Guinea – 2.35 million km2 # Tasman Sea – 2.3 million km2 # Bay of Bengal – 2.172 million km2 # Bering Sea – 2 million km2 # Sea of Okhotsk – 1.583 million km2 # Gulf of Mexico – 1.550 million km2 # Gulf of Alaska – 1.533 million km2 # Barents Sea – 1.4 million km2 # Norwegian Sea – 1.383 million km2 # East China Sea – 1.249 million km2 # Hudson Bay – 1.23 million km2 # Greenland Sea – 1.205 million km2 # Somov Sea – 1.15 million km2 # Mar de Grau – 1.14 million km2 # Riiser-Larsen Sea – 1.138 million km2 # Sea of Japan – 1.05 million km2 # Argentine Sea – 1 million km2 # East Siberian Sea – 987,000 km2 # Lazarev Sea – 929,000 km2 # Kara Sea – 926,000 km2 # Scotia Sea – 900,000 km2 # Labrador Sea – 841,000 km2 # Andaman Sea – 797,700 km2 # Laccadive Sea – 786,000 km2 # Irminger Sea – 780,000 km2 # Solomon Sea – 720,000 km2 # Mozambique Channel – 700,000 km2 # Cosmonauts Sea – 699,000 km2 # Banda Sea – 695,000 km2 # Baffin Bay – 689,000 km2 # Laptev Sea – 662,000 km2 # Arafura Sea – 650,000 km2 # Ross Sea – 637,000 km2 # Chukchi Sea – 620,000 km2 # Timor Sea – 610,000 km2 # North Sea – 575,000 km2 # Bellingshausen Sea – 487,000 km2 # Beaufort Sea – 476,000 km2 # Red Sea – 438,000 km2 # Black Sea – 436,000 km2 # Gulf of Aden – 410,000 km2 # Yellow Sea – 380,000 km2 # Baltic Sea – 377,000 km2 # Caspian Sea – 371,000 km2 # Libyan Sea – 350,000 km2 # Mawson Sea – 333,000 km2 # Levantine Sea – 320,000 km2 # Java Sea – 320,000 km2 # Gulf of Thailand – 320,000 km2 # Celtic Sea – 300,000 km2 # Gulf of Carpentaria – 300,000 km2 # Celebes Sea – 280,000 km2 # Tyrrhenian Sea – 275,000 km2 # Sulu Sea – 260,000 km2 # Cooperation Sea – 258,000 km2 # Persian Gulf – 251,000 km2 # Flores Sea – 240,000 km2 # Gulf of Saint Lawrence – 226,000 km2 # Bay of Biscay – 223,000 km2 # Aegean Sea – 214,000 km2 # Gulf of Anadyr – 200,000 km2 # Molucca Sea – 200,000 km2 # Oman Sea – 181,000 km2 # Ionian Sea – 169,000 km2 # Gulf of California – 160,000 km2 # Balearic Sea – 150,000 km2 # Adriatic Sea – 138,000 km2


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.


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 * Queen Victoria Sea * Wandel Sea * Greenland Sea * Lincoln Sea (recognized by the International Hydrographic Organization, IHO but not the International Maritime Organization, IMO) * Baffin Bay * The Northwest Passages ** Prince Gustav Adolf Sea ** Amundsen Gulf ** (more to be listed) * Hudson Bay ** Foxe Basin *** Bowman Bay (Nunavut), 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 * Beaufort Sea


Atlantic Ocean

In addition to the marginal seas listed in the three sub-sections below, the Arctic Ocean itself is sometimes also considered a marginal sea of the Atlantic.


Africa and Eurasia

* Norwegian Sea * North Sea ** Kattegat ** Skagerrak ** Wadden Sea ** Dogger Bank * Baltic Sea ** Gulf of Bothnia ** Kvarken ** Bothnian Sea ** South Kvarken ** Sea of Åland ** Archipelago Sea ** Gulf of Finland *** Vyborg Bay *** Neva Bay *** Koporye Bay *** Luga Bay *** Narva Bay ** Väinameri, 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 ** Strait of Dover * Irish Sea * Celtic Sea ** Iroise Sea * Bay of Biscay ** Cantabrian Sea * Gulf of Cádiz * Mediterranean Sea ** Alboran Sea ** Mar Menor ** Balearic Sea, Balearic (Catalan) Sea *** Gulf of Valencia ** Gulf of Lion *** Étang de Thau ** Ligurian Sea *** Gulf of Genoa ** Tyrrhenian Sea *** Gulf of Naples *** Gulf of Salerno *** Gulf of Cagliari ** Adriatic Sea *** Bay of Kotor *** Gulf of Venice **** Gulf of Trieste **** Venetian Lagoon *** Kvarner Gulf ** Ionian Sea *** Gulf of Taranto *** Gulf of Corinth *** Messenian Gulf *** Laconian Gulf ** Aegean Sea *** Myrtoan Sea *** Argolic Gulf *** Saronic Gulf *** Petalioi Gulf *** South Euboean Gulf *** North Euboean Gulf *** Malian Gulf *** Pagasetic Gulf *** Thermaic Gulf *** Thracian Sea **** Strymonian Gulf **** Gulf of Saros *** Edremit Gulf *** Gulf of İzmir *** Icarian Sea **** Gulf of Gökova *** Sea of Crete ** Sea of Marmara *** 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 * Black SeaOften treated as a part of the Mediterranean Sea. ** Gulf of Burgas ** Karkinit Bay ** Kalamita Bay ** Sea of Azov *** Syvash *** Taganrog Bay * Bay of Arguin ** Dakhlet Nouadhibou * Yawri Bay * Gulf of Guinea ** Bight of Benin ** Bight of Bonny *** Corisco Bay * Luanda Bay * Walvis Bay * Saldanha Bay * Table Bay * False Bay


Americas

(coast-wise from north to south) * North Water Polynya * Baffin Bay * Davis Strait ** Home Bay * Labrador Sea ** Cumberland Sound ** Frobisher Bay * Gulf of St. Lawrence * Gulf of Maine ** Bay of Fundy ** 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 ** Shelter Island Sound ** Noyack Bay ** Peconic Bay ** Gardiners Bay ** Tobaccolot Bay ** Sag Harbor Bay ** Three Mile Harbor ** Long Beach, California, 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 * Albemarle Sound * Pamlico Sound * Gulf of Mexico ** Florida Bay ** Tampa Bay ** Charlotte Harbor Estuary ** Pensacola Bay ** Mobile Bay ** Vermilion Bay (Louisiana), Vermilion Bay ** Galveston Bay ** Bay of Campeche * Caribbean Sea ** Gulf of Gonâve (Haiti) ** Gulf of Honduras ** Golfo de los Mosquitos ** Gulf of Venezuela ***Lake Maracaibo ** Gulf of Paria ** Gulf of Darién * Bay of All Saints * Guanabara Bay * Lagoa dos Patos * Argentine Sea ** Samborombón Bay ** San Matías Gulf ** Golfo Nuevo ** San Jorge Gulf


Northern islands

(from east to west) * Irish Sea (between Great Britain and Ireland) * Inner Seas off the West Coast of Scotland ** Sea of the Hebrides (Great Britain) * Denmark Strait (between Greenland and Iceland) * Irminger Sea


Indian Ocean

* Andaman Sea ** Gulf of Martaban – an arm of the Andaman Sea in the southern part of Myanmar * Arabian Sea ** Gulf of Kutch ** Gulf of Khambhat * Bay of Bengal * Gulf of Aden * Gulf of Oman * Laccadive Sea * Mozambique Channel * Persian Gulf * Red Sea * Sea of Zanj * Timor Sea * Palk Strait * Palk Bay * Gulf of Mannar


Pacific Ocean


Americas

* Bering Sea ** 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 * Salish Sea * Gulf of California (also known as the Gulf of California, Sea of Cortés) * Gulf of the Farallones * Gulf of Fonseca * Gulf of Guayaquil * Gulf of Nicoya * Gulf of Panama ** Bay of San Miguel ** Gulf of Parita ** Panama Bay * Mar de Grau, Grau Sea * Salish Sea * San Francisco Bay ** San Pablo Bay


Australia and Eurasia

* Arafura Sea * Bali Sea * Banda Sea * Bay of Kompong Som, Bay of Kampong Som * Bay of Plenty * Bismarck Sea * Bohai Sea * Bohol Sea (also known as the Mindanao Sea) * Camotes Sea * Celebes Sea * Ceram Sea * Coral Sea * Devil's Sea, Devil's/Dragon's Sea * East China Sea ** Ariake Sea ** Hangzhou Bay ** Kagoshima Bay * Flores Sea * Gulf of Carpentaria * Gulf of Thailand ** Bandon Bay ** Bay of Bangkok * Halmahera Sea * Hauraki Gulf * Hawke's Bay * Java Sea * Koro Sea * Molucca Sea * Philippine Sea ** Ise Bay *** Mikawa Bay ** Suruga Bay * Poverty Bay * Sagami Bay * Savu Sea * Sea of Japan ** Peter the Great Gulf ** Toyama Bay ** Wakasa Bay * Sea of Okhotsk ** Shelikhov Gulf * Seto Inland Sea ** Osaka Bay * Sibuyan Sea * Solomon Sea * South China Sea ** Gulf of Tonkin ** Qiongzhou Strait ** Natuna Sea *** North Natuna Sea ** West Philippine Sea * South Seas ** Gulf of Tonkin * Sulu Sea * Tasman Sea * Tokyo Bay * Visayan Sea * Waihau Bay * Yellow Sea ** Bohai Sea *** Bohai Bay *** Laizhou Bay *** Liaodong Bay ** Jiaozhou Bay ** Korea Sea


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 * Ross Sea * Scotia Sea * Somov Sea * Spencer Gulf * Weddell Sea ** Weddell Polynya/Maud Rise Polynya


Defined by currents

* Sargasso Sea, (Wide) Sargasso Sea – North Atlantic Gyre


Not included

Entities called "seas" which are not divisions of the World Ocean are not included in this list. Excluded are: * Salt lakes with "Sea" in the name: Aral Sea, Dead Sea, Salton Sea * Lake, Freshwater lakes with "Sea" in the name: Sea of Galilee * Ocean#Extraterrestrial oceans, Extraterrestrial oceans: list of largest lakes and seas in the Solar System * Gulfs, bays, straits, and other bodies of water in lakes Other items not included: * Coral reefs * Glaciers * Ice shelf, Ice shelves * Marshes * Ocean banks * Ocean gyres * Oceans * Reefs * River deltas * Rivers * Swamps * Swimming pools / water parks * Wetlands


See also

* Inland sea (geology) * Mediterranean sea (oceanography) * Oceanography * Atlantic Ocean * Indian Ocean


Notes


References


External links

* {{physical oceanography, expanded=other Seas, * Lists of seas, Lists of bodies of water, Seas Marginal seas, Geographic taxonomies Oceanography