This is a list of seas - large divisions of the World Ocean, including areas of water variously, gulfs, bights, bays, and straits.
World Ocean - the single connected salty body of water that covers the majority of Earth's surface.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 - 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 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.Strait - a narrow area of water connecting two wider areas of waterThere are several terms used for bulges of ocean that result from indentations of land, which overlap in definition:
Bay - generic term; though most features with "Bay" in the name are small, some are very largeGulf - a very large bay, often a top-level division of an ocean or seaFjord - a long bay with steep sides, typically formed by a glacierBight - a bay that is typically shallower than a soundSound - a large, wide bay which is typically deeper than a bight, or a straitCove - a very small, typically sheltered bayMany 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.
Sources differ over which seas are considered marginal seas as well as which ocean a given sea is considered a marginal part of. There is no single ultimate authority on the matter.
Sometimes the Arctic Ocean itself is considered a marginal sea of the Atlantic, in addition to the below.
(coast wise north to south)
Davis StraitLabrador SeaGulf of St. LawrenceGulf of MaineBay of FundyMassachusetts BayCape Cod BayNantucket SoundBuzzards BayNarragansett BayLong Island SoundNew York BayChesapeake BayGulf of MexicoBay of CampecheCampeche BankCaribbean SeaGulf of Gonâve (Haiti)Gulf of HondurasGolfo de los MosquitosGulf of VenezuelaGulf of PariaGulf of DariénArgentine SeaEurope, Africa, and Asia
Norwegian SeaNorth SeaWadden SeaBaltic SeaArchipelago SeaBothnian SeaCentral Baltic SeaGulf of RigaOresund StraitSea of ÅlandEnglish ChannelIrish SeaCeltic SeaBay of BiscayCantabrian SeaMediterranean SeaAdriatic SeaAegean SeaMyrtoan SeaSea of CreteThracian SeaAlboran SeaBalearic SeaCatalan SeaCilician SeaGulf of SidraIonian SeaLevantine SeaLibyan SeaLigurian SeaSea of SardiniaSea of SicilyInland Sea, GozoTyrrhenian SeaMarmara SeaBlack SeaSea of AzovGulf of GuineaNorthern islands
(east to west)
Denmark Strait (between Greenland and Iceland)Irish Sea (between Ireland and Great Britain)Inner Seas off the West Coast of ScotlandSea of the Hebrides (Great Britain)(clockwise from 180°)
Chukchi SeaEast Siberian SeaLaptev SeaKara SeaBarents Sea (connected to Kara Sea by Kara Strait)Pechora SeaWhite SeaWandel SeaGreenland SeaLincoln Sea (recognized by IHO but not IMO)Baffin BayThe Northwest PassagesPrince Gustav Adolf SeaAmundsen Gulf(more to be listed)Hudson StraitHudson BayJames BayBeaufort SeaAmundsen SeaBass StraitBellingshausen SeaCooperation SeaCosmonauts SeaDavis SeaD'Urville SeaDrake PassageGreat Australian BightGulf St VincentKing Haakon VII SeaLazarev SeaMawson SeaRiiser-Larsen SeaRoss SeaScotia SeaSomov SeaSpencer GulfWeddell SeaAndaman SeaGulf of MoattamaArabian SeaBay of BengalGulf of AdenGulf of OmanLaccadive SeaMozambique ChannelPersian GulfRed SeaTimor SeaArafura SeaBali SeaBanda SeaBering SeaBismarck SeaBohai SeaBohol Sea (also known as the Mindanao Sea)Camotes SeaCelebes SeaCeram SeaChilean SeaSea of ChiloéCoral SeaEast China SeaFlores SeaGulf of AlaskaGulf of California (also known as the Sea of Cortés)Gulf of CarpentariaGulf of ThailandHalmahera SeaJava SeaKoro SeaMar de GrauMolucca SeaPhilippine SeaSalish SeaSavu SeaSea of JapanSea of OkhotskSea of CortezSeto Inland SeaSibuyan SeaSolomon SeaSouth China SeaSulu SeaTasman SeaVisayan SeaYellow SeaSargasso Sea - North Atlantic GyreEntities called "seas" which are not divisions of the Earth's World Ocean are not included in this list. Excluded are:
Salt lakes with "Sea" in the name: Aral Sea, Caspian Sea (and Garabogazköl), Dead Sea, Salton SeaFreshwater lakes with "Sea" in the name: Sea of GalileeExtraterrestrial oceans: List of largest lakes and seas in the Solar SystemLunar mare, like the Sea of Tranquility, which contain no liquids: List of maria on the MoonGulfs, bays, and straits of lakesOther items not included:
Small fjords too numerous to list: Category:FjordsSmall bays too numerous to list: Category:BaysSmall sounds too numerous to list: Sound (geography)Small straits too numerous to list: List of straitsOcean gyresOcean banks 
