Home Oceans and seas Oceans and seas depth map Average and maximum depth for every ocean and sea, worked out from the GEBCO_2026 grid inside Natural Earth outlines. Seas lie inside or beside the oceans, so the areas overlap and should not be added together. The Caspian Sea is a lake, listed here because it is called a sea.
Oceans Name Average depth Maximum depth Water area Pacific Ocean 4,315 m 10,927 m 139.1 million km² Atlantic Ocean 3,883 m 8,824 m 71.6 million km² Indian Ocean 4,036 m 7,337 m 60.4 million km² Southern Ocean 3,756 m 7,285 m 16.4 million km² Arctic Ocean 2,306 m 5,441 m 5.1 million km²
Seas Name Average depth Maximum depth Water area Philippine Sea 4,472 m 10,931 m 5.6 million km² Arabian Sea 3,313 m 9,536 m 4.1 million km² Coral Sea 2,553 m 9,142 m 4 million km² Tasman Sea 3,360 m 6,281 m 3.3 million km² South China Sea 1,354 m 5,232 m 3.1 million km² Sargasso Sea 5,394 m 7,761 m 3 million km² Caribbean Sea 2,547 m 8,293 m 2.8 million km² Bering Sea 1,844 m 7,043 m 2.2 million km² Mediterranean Sea 1,844 m 5,030 m 1.6 million km² Norwegian Sea 1,684 m 4,057 m 1.5 million km² Sea of Okhotsk 881 m 3,606 m 1.4 million km² Barents Sea 203 m 593 m 1.4 million km² Greenland Sea 1,454 m 5,559 m 1.2 million km² Ross Sea 2,026 m 4,458 m 1.1 million km² Sea of Japan 1,725 m 3,849 m 951,141 km² Labrador Sea 1,948 m 4,124 m 870,545 km² Laccadive Sea 1,956 m 4,313 m 816,957 km² Weddell Sea 1,552 m 4,470 m 798,798 km² Kara Sea 126 m 611 m 793,994 km² Solomon Sea 2,825 m 8,949 m 732,399 km² Banda Sea 2,930 m 7,602 m 720,802 km² East China Sea 403 m 3,720 m 720,109 km² Arafura Sea 191 m 3,719 m 718,629 km² Andaman Sea 1,071 m 4,524 m 611,501 km² East Siberian Sea 26 m 69 m 602,561 km² Java Sea 91 m 1,885 m 545,163 km² North Sea 78 m 858 m 492,936 km² Celebes Sea 3,561 m 5,885 m 451,578 km² Red Sea 504 m 2,844 m 443,146 km² Beaufort Sea 1,407 m 3,731 m 421,277 km² Laptev Sea 214 m 2,799 m 420,789 km² Black Sea 1,300 m 2,666 m 419,500 km² Timor Sea 466 m 3,422 m 401,420 km² Caspian Sea (a lake)235 m 1,052 m 378,508 km² Yellow Sea 46 m 255 m 369,247 km² Chukchi Sea 42 m 126 m 336,609 km² Bismarck Sea 1,629 m 4,246 m 327,149 km² Davis Sea 1,562 m 3,893 m 326,532 km² Sulu Sea 1,639 m 5,211 m 321,930 km² Tyrrhenian Sea 1,596 m 3,640 m 215,504 km² Molucca Sea 2,005 m 4,854 m 214,780 km² Baltic Sea 66 m 452 m 201,607 km² Bellingshausen Sea 524 m 1,359 m 187,987 km² Ionian Sea 2,122 m 5,139 m 169,759 km² Ceram Sea 1,196 m 5,711 m 154,026 km² Adriatic Sea 257 m 1,243 m 137,530 km² Aegean Sea 306 m 1,595 m 112,557 km² Flores Sea 1,745 m 5,238 m 112,286 km² Savu Sea 1,867 m 4,094 m 99,679 km² White Sea 57 m 369 m 87,671 km² Balearic Sea 899 m 2,549 m 78,622 km² Bo Hai 18 m 492 m 76,468 km² Amundsen Sea 603 m 1,654 m 75,199 km² Sea of Crete 696 m 2,684 m 73,220 km² Alboran Sea 760 m 2,339 m 54,267 km² Irish Sea 52 m 307 m 48,890 km² Bali Sea 741 m 1,704 m 42,515 km² Halmahera Sea 799 m 2,746 m 41,801 km² Inner Seas 80 m 313 m 40,355 km² Bohol Sea 913 m 2,084 m 37,319 km² Sea of Azov 9 m 76 m 36,741 km² Lincoln Sea 280 m 1,009 m 29,061 km² Sibuyan Sea 608 m 2,211 m 28,288 km² Kattegat 27 m 195 m 22,996 km² Inner Sea 38 m 425 m 20,821 km² Visayan Sea 118 m 884 m 17,324 km² Salish Sea 130 m 678 m 15,180 km² Ligurian Sea 1,194 m 2,620 m 13,020 km² Samar Sea 150 m 1,154 m 11,156 km² Sea of Marmara 319 m 1,273 m 10,831 km²
Gulfs and bays Name Average depth Maximum depth Water area Bay of Bengal 2,608 m 4,724 m 2 million km² Gulf of Mexico 1,583 m 3,886 m 1.4 million km² Great Australian Bight 3,184 m 5,981 m 1.2 million km² Hudson Bay 111 m 514 m 754,266 km² Gulf of Guinea 2,882 m 5,174 m 639,198 km² Baffin Bay 943 m 2,423 m 440,656 km² Gulf of Alaska 1,559 m 5,479 m 407,357 km² Gulf of Thailand 42 m 107 m 293,746 km² Gulf of Carpentaria 41 m 70 m 287,878 km² Gulf of Aden 1,475 m 4,733 m 258,345 km² Persian Gulf 35 m 323 m 237,566 km² Gulf of Saint Lawrence 163 m 900 m 235,994 km² Bay of Biscay 1,919 m 4,998 m 213,180 km² Foxe Basin 77 m 848 m 196,319 km² Golfo de California 783 m 3,806 m 168,991 km² Bahía de Campeche 921 m 3,270 m 158,329 km² Shelikhova Gulf 87 m 471 m 127,663 km² Gulf of Bothnia 55 m 298 m 112,153 km² Gulf of Tonkin 36 m 86 m 111,363 km² Gulf of Oman 1,437 m 3,609 m 108,292 km²
Smaller gulfs, bays, straits and channels 173 more Albemarle Sound sound, up to 24 m Amundsen Gulf gulf, up to 661 m Antongila Bay bay, up to 147 m Bab el Mandeb strait, up to 8 m Bahía Blanca bay, up to 34 m Bahía Grande bay, up to 96 m Baia de Maputo bay, up to 20 m Baía de Marajó bay, up to 312 m Baía de São Marcos bay, up to 95 m Bass Strait strait, up to 2,739 m Bathurst Inlet bay, up to 337 m Bay Inútil bay, up to 568 m Bay of Fundy bay, up to 216 m Bay of Plenty bay, up to 1,900 m Bight of Benin bay, up to 3,340 m Bight of Biafra bay, up to 1,683 m Boca Grande bay, up to 25 m Bosporus strait, up to 109 m Bransfield Strait strait, up to 2,798 m Bristol Bay bay, up to 351 m Bristol Channel channel, up to 134 m Canal do Norte channel, up to 51 m Canal do Sul channel, up to 69 m Canal Perigoso channel, up to 34 m Chaun Bay bay, up to 28 m Chesapeake Bay bay, up to 47 m Cook Inlet bay, up to 165 m Cook Strait strait, up to 1,165 m Cordova Bay bay, up to 1,079 m Cumberland Sound sound, up to 1,315 m Dardanelles channel, up to 96 m Darnley Bay bay, up to 156 m Davao Gulf gulf, up to 2,641 m Davis Strait strait, up to 3,406 m Delaware Bay bay, up to 45 m Denmark Strait strait, up to 1,112 m Disko Bay bay, up to 874 m Dixon Entrance channel, up to 482 m Dmitriy Laptev Strait strait, up to 18 m East Korea Bay bay, up to 1,083 m Eclipse Sound sound, up to 1,272 m English Channel channel, up to 201 m Estrecho de Magellanes strait, up to 1,158 m Franklin Bay bay, up to 29 m Frobisher Bay bay, up to 721 m Fury and Hecla Strait strait, up to 401 m Garabogaz Bay bay, up to 47 m Geographe Bay bay, up to 1,615 m George VI Sound sound, up to 1,338 m Goldsmith Channel channel, up to 92 m Golfe du Lion gulf, up to 1,753 m Golfo Corcovado gulf, up to 492 m Golfo de Guayaquil gulf, up to 350 m Golfo de Panamá gulf, up to 2,720 m Golfo de Penas gulf, up to 634 m Golfo de Tehuantepec gulf, up to 1,247 m Golfo de Urabá gulf, up to 74 m Golfo San Jorge gulf, up to 153 m Golfo San Matías gulf, up to 220 m Guba Gusinaya bay, up to 8 m Gulf of Anadyr' gulf, up to 196 m Gulf of Aqaba gulf, up to 1,772 m Gulf of Boothia gulf, up to 366 m Gulf of Buli gulf, up to 4,161 m Gulf of Finland gulf, up to 135 m Gulf of Gabès gulf, up to 285 m Gulf of Honduras gulf, up to 2,861 m Gulf of Kamchatka gulf, up to 3,708 m Gulf of Kau gulf, up to 3,141 m Gulf of Khambhät gulf, up to 93 m Gulf of Kutch gulf, up to 90 m Gulf of Maine gulf, up to 299 m Gulf of Mannar gulf, up to 2,348 m Gulf of Martaban gulf, up to 157 m Gulf of Masira gulf, up to 183 m Gulf of Ob gulf, up to 27 m Gulf of Olen‘k gulf, up to 16 m Gulf of Papua gulf, up to 1,552 m Gulf of Riga gulf, up to 67 m Gulf of Sakhalin gulf, up to 67 m Gulf of Sidra gulf, up to 1,688 m Gulf of Suez gulf, up to 982 m Gulf of Tomini gulf, up to 3,722 m Gulf of Yana gulf, up to 27 m Gulf St. Vincent gulf, up to 133 m Hadley Bay bay, up to 374 m Hall Basin gulf, up to 1,091 m Hamilton Inlet bay, up to 297 m Hangzhou Bay bay, up to 114 m Hecate Strait strait, up to 665 m Hudson Strait strait, up to 1,133 m James Bay bay, up to 409 m Jones Sound sound, up to 845 m Joseph Bonaparte Gulf gulf, up to 84 m Kane Basin bay, up to 706 m Karaginskiy Gulf gulf, up to 3,115 m Karskiye Strait strait, up to 25 m Kennedy Channel channel, up to 535 m Khatanga Gulf gulf, up to 34 m Korea Strait strait, up to 1,151 m Kotzebue Sound sound, up to 28 m Kronotskiy Gulf gulf, up to 2,872 m La Pérouse Strait strait, up to 20 m Leyte Gulf gulf, up to 166 m Liddon Gulf gulf, up to 372 m Long Island Sound sound, up to 56 m Lützow-Holm Bay bay, up to 648 m M'Clure Strait strait, up to 902 m Mackenzie Bay bay, up to 315 m Makassar Strait strait, up to 3,539 m Marguerite Bay bay, up to 1,594 m Massachusetts Bay bay, up to 99 m Matochkin Shar Strait strait, up to 86 m McMurdo Sound sound, up to 1,397 m Mecklenburger Bucht bay, up to 30 m Melville Bay bay, up to 1,216 m Minto Inlet sound, up to 256 m Monterey Bay bay, up to 1,307 m Mozambique Channel channel, up to 4,701 m Murchison Sound sound, up to 988 m Norton Sound sound, up to 76 m Øresund sound, up to 48 m Palk Strait strait, up to 27 m Pamlico Sound sound, up to 20 m Peacock Sound sound, up to 575 m Porpoise Bay bay, up to 985 m Prince ALbert Sound sound, up to 436 m Prince of Wales Strait strait, up to 168 m Prince William Sound sound, up to 756 m Prydz Bay bay, up to 1,402 m Qiongzhou Strait strait, up to 120 m Queen Charlotte Sound sound, up to 918 m Queen Charlotte Strait strait, up to 650 m Ragay Gulf gulf, up to 657 m Richard Collinson Inlet bay, up to 80 m Río de la Plata gulf, up to 32 m Robeson Channel channel, up to 814 m Ronne Entrance channel, up to 935 m Saint Lawrence River channel, up to 392 m San Francisco Bay bay, up to 100 m Scotia Sea sea, up to 927 m Selat Bali strait, up to 1,095 m Selat Dampier strait, up to 2,783 m Seno de Skyring sound, up to 504 m Seno Otway sound, up to 454 m Shark Bay bay, up to 25 m Sherman Basin bay, up to 16 m Smith Sound sound, up to 589 m St. Helena Bay bay, up to 51 m Strait of Belle Isle strait, up to 227 m Strait of Gibraltar strait, up to 485 m Strait of Malacca strait, up to 1,491 m Strait of Singapore strait, up to 192 m Straits of Florida strait, up to 2,126 m Sulzberger Bay bay, up to 1,657 m Surigao Strait strait, up to 1,475 m Taiwan Strait strait, up to 185 m Tatar Strait strait, up to 47 m Tayabas Bay bay, up to 789 m The North Western Passages channel, up to 1,118 m Torres Strait strait, up to 46 m Tsugaru Strait strait, up to 421 m Uchiura Bay bay, up to 1,725 m Uda Bay bay, up to 117 m Ungava Bay bay, up to 433 m Vil'kitskogo Strait strait, up to 230 m Vincennes Bay bay, up to 2,517 m Viscount Melville Sound sound, up to 569 m Wager Bay bay, up to 439 m Wrigley Gulf gulf, up to 1,105 m Wynniatt Bay bay, up to 199 m Yenisey Gulf gulf, up to 31 m Yucatan Channel channel, up to 21 m Undersea features · Drain the oceans
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