All at Sea

Atlantic Ocean

Mediterranean Sea

Aegean Sea Mirtoon Sea Sea of Crete Thracian Sea

Adriatic Sea Alboran Sea Balearic Sea Catalan Sea

Cilician Sea Gulf of Sidra Ionian Sea Libyan Sea

Ligurian Sea Sea of Sardinia Sea of Sicily Tyrrhenian Sea

Others

Argentine Sea Bay of Biscay Bay of Bothnia Bay of Campeche Bay of Fundy Baltic Sea Black Sea Bothnian Sea

Caribbean Sea Celtic Sea Central Baltic Sea Chesapeake Bay Davis Strait Denmark Strait English Channel Gulf of Bothnia

Gulf of Guinea Gulf of Finland Gulf of Mexico Gulf of St. Lawrence Gulf of Venezuela Irish Sea Labrador Sea Marmara Sea

North Sea Norwegian Sea Oresund Strait Sargasso Sea Sea of Azov Sea of the Hebrides Wadden Sea

Arctic Ocean

Amundsen Gulf Baffin Bay Barents Sea Beaufort Sea

Bering Sea Chukchi Sea East Siberian Sea Greenland Sea

Hudson Bay James Bay Kara Sea Kara Strait

Laptev Sea Lincoln Sea Prince Gustav Adolf Sea Pechora Sea White Sea

Southern Ocean

Amundsen Sea Bass Strait Bellingshausen Sea

Davis Sea D'Urville Sea Drake Passage Great Australian Bight

Gulf St Vincent King Haakon VII Sea Mawson Sea Ross Sea

Scotia Sea Spencer Gulf Weddell Sea

Indian Ocean

Andaman Sea Arabian Sea Bay of Bengal

Gulf of Aden Gulf of Oman

Mozambique Channel Persian Gulf

Red Sea Timor Sea

Pacific Ocean

Arafura Sea Banda Sea Bering Sea Bismarck Sea Bohai Sea Bohol Sea (also known as the Mindanao Sea) Camotes Sea Celebes Sea Ceram Sea

Chilean Sea Sea of Chiloé Coral Sea East China Sea Flores Sea Gulf of Alaska Gulf of California (also known as the Sea of Cortéz) Gulf of Carpentaria Gulf of Thailand

Halmahera Sea Java Sea Koro Sea Molucca Sea Philippine Sea Salish Sea Savu Sea Sea of Japan Sea of Okhotsk

Seto Inland Sea Sibuyan Sea Solomon Sea South China Sea Sulu Sea Tasman Sea Visayan Sea Yellow Sea

Landlocked seas

Some large inland lakes, usually brackish, are called "seas".

Aral Sea Caspian Sea

Dead Sea Sea of Galilee

Salton Sea