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 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