· South Atlantic Ocean 29 286.4 14 193 — · North Pacific Ocean 15 50.3 0 — — · Celtic Sea 12 39.6 2 54 — · North Sea 11 120.3 5 62 — · North Pacific Ocean 11 56.4 2 71 — · South Pacific Ocean 10 35.5 0 — — · Coral Sea 9 22.9 5 29 — · English Channel 8 81.8 2 29 — · North Atlantic Ocean 8 53.2 3 17 — · South Atlantic Ocean 8 43.5 2 37 — · North Atlantic Ocean 8 35 0 — — · North Atlantic Ocean 7 119.1 5 63 — · South Atlantic Ocean 6 146.9 4 203 — · North Pacific Ocean 6 62 2 36 — · North Sea 6 55.8 1 59 — · Coral Sea 6 37.7 1 59 — · Tyrrhenian Sea 5 140.9 4 66 — · Gulf of Mexico 5 38.4 1 56 — · Ionian Sea 5 10.6 0 — — · Inner Seas off the West Coast of Scotland 4 142.4 5 225 — · North Atlantic Ocean 4 120.7 4 249 — · Arabian Sea 4 58.7 2 55 — · South China Sea 4 51.6 3 74 — · North Atlantic Ocean 4 17.9 3 29 — · Celtic Sea 4 15.6 1 12 — · Indian Ocean 4 13.2 0 — — · North Atlantic Ocean 4 12 0 — — · North Pacific Ocean 4 10.4 1 15 — · Andaman or Burma Sea 3 93.6 4 49 — · South Atlantic Ocean 3 70.5 3 46 — · Ligurian Sea 3 55.4 1 43 — · South Pacific Ocean 3 54.3 1 53 — · South Atlantic Ocean 3 31.7 0 — — · North Atlantic Ocean 3 19.7 0 — — · South Pacific Ocean 3 16.6 0 — — · North Pacific Ocean 3 15.4 0 — — · North Sea 3 12.5 0 — — · Ionian Sea 3 11.1 1 35 — · Caribbean Sea 3 9 0 — — · Solomon Sea 3 9 0 — — · Adriatic Sea 3 5.8 0 — — · Celtic Sea 3 5.6 1 31 — · Indian Ocean 2 79.8 1 73 — · English Channel 2 76.9 3 184 — · Malacca Strait 2 71.8 2 77 — · Mozambique Channel 2 61.9 2 30 — · Irish Sea and St. George's Channel 2 57.8 2 49 — · North Atlantic Ocean 2 50.3 0 — — · Aegean Sea 2 45.3 1 361 — · Malacca Strait 2 44 1 114 — · Arabian Sea 2 34.6 1 37 — · Tasman Sea 2 32.7 1 136 — · Tyrrhenian Sea 2 31.9 1 25 — · North Pacific Ocean 2 28 0 — — · North Atlantic Ocean 2 25 2 44 — · Bass Strait 2 21.9 1 37 — · Philippine Sea 2 18.3 0 — — · Bay of Biscay 2 17.6 2 16 — · North Sea 2 13.7 0 — — · Irish Sea and St. George's Channel 2 13.2 0 — — · Mediterranean Sea - Western Basin 2 10.8 0 — — · Mediterranean Sea - Western Basin 2 7.9 0 — — · Molukka Sea 2 7.5 0 — — · Gulf of Alaska 2 6 0 — — · Philippine Sea 2 6 0 — — · South Atlantic Ocean 2 6 0 — — · Great Australian Bight 2 3.6 1 3 — · South Pacific Ocean 1 165.3 5 146 — · North Pacific Ocean 1 48.3 1 101 — · South China Sea 1 43.6 2 129 — · Tasman Sea 1 40.8 1 64 — · South China Sea 1 38.2 2 212 — · Tyrrhenian Sea 1 34.5 1 57 — · Tasman Sea 1 30.9 1 30 — · Persian Gulf 1 30.2 1 30 — · Bay of Biscay 1 29 1 28 — · Baltic Sea 1 28.6 1 28 — · North Atlantic Ocean 1 27.9 0 — — · Bering Sea 1 22 1 21 — · Tyrrhenian Sea 1 20.4 0 — — · Celtic Sea 1 17 0 — — · Indian Ocean 1 13.7 0 — — · South China Sea 1 13.4 0 — — · Philippine Sea 1 12.9 0 — — · Malacca Strait 1 12.6 1 12 — · Mediterranean Sea - Eastern Basin 1 11.9 0 — — · Gulf of Guinea 1 11.7 1 11 — · Great Australian Bight 1 10.7 1 10 — · Inner Seas off the West Coast of Scotland 1 7.8 0 — — · South Atlantic Ocean 1 7 0 — — · Indian Ocean 1 6.8 0 — — · Celebes Sea 1 6.6 0 — — · Caribbean Sea 1 6.5 0 — — · Indian Ocean 1 6.5 0 — — · Persian Gulf 1 6 0 — — · North Sea 1 5.7 0 — — · Sea of Okhotsk 1 5.3 0 — — · Philippine Sea 1 4.8 0 — — · Aegean Sea 1 4.5 1 4 — · Coral Sea 1 4.3 0 — — · Indian Ocean 1 4.2 0 — — · Laccadive Sea 1 4.2 0 — — · Ligurian Sea 1 4.1 1 4 — · Alboran Sea 1 3 0 — — · Banda Sea 1 3 0 — — · Bismarck Sea 1 3 0 — — · Ceram Sea 1 3 0 — — · Halmahera Sea 1 3 0 — — · South China Sea 1 3 0 — — · English Channel 1 2.8 0 — — · Bay of Fundy 1 2.4 0 — — · South Atlantic Ocean 1 2.4 0 — — · Ligurian Sea 1 2.3 1 2 — · Tasman Sea 1 2.2 0 — — · Philippine Sea 1 1.9 0 — — · Bass Strait 1 1.7 0 — — · Philippine Sea 1 1.6 0 — — · Gulf of Mexico 1 0.9 0 — — · English Channel 1 0.7 1 0 — · North Atlantic Ocean 1 0.7 0 — — · Coral Sea 1 0.6 0 — — · Japan Sea 1 0.5 1 0 — · Greenland Sea 1 0.3 0 — — · Ligurian Sea 1 0.3 0 — — · Aegean Sea 1 0.2 0 — — · Mozambique Channel 1 0.1 0 — — · Adriatic Sea 0 357.3 10 217 — · Persian Gulf long running 0 95.4 3 379 — · Bay of Bengal 0 93 3 87 — · North Atlantic Ocean long running 0 93 3 535 — · North Sea long running 0 93 3 563 — · South China Sea 0 93 3 112 — · Coral Sea 0 62 2 197 — · Coral Sea 0 62 2 98 — · North Pacific Ocean 0 62 2 336 — · North Sea long running 0 62 2 660 — · Persian Gulf 0 62 2 60 — · Tyrrhenian Sea long running 0 62 2 435 — · North Sea 0 52 1 246 — · South Pacific Ocean 0 40.4 1 48 — · Adriatic Sea 0 31 1 283 — · Adriatic Sea long running 0 31 1 1,110 — · Adriatic Sea 0 31 1 287 — · Adriatic Sea 0 31 1 260 — · Caribbean Sea 0 31 1 178 — · English Channel long running 0 31 1 898 — · Gulf of Mexico 0 31 1 162 — · Gulf of Suez long running 0 31 1 574 — · Gulf of Thailand 0 31 1 81 — · Japan Sea 0 31 1 36 — · Mediterranean Sea - Eastern Basin 0 31 1 39 — · North Atlantic Ocean long running 0 31 1 654 — · North Atlantic Ocean 0 31 1 206 — · North Sea 0 31 1 35 — · Persian Gulf 0 31 1 64 — · Persian Gulf long running 0 31 1 478 — · Red Sea long running 0 31 1 1,484 — · South China Sea 0 31 1 170 — · Eastern China Sea 0 23.4 0 — — · Mediterranean Sea - Western Basin 0 16.5 0 — — · Mediterranean Sea - Western Basin 0 10.6 0 — — · Tyrrhenian Sea 0 9.7 0 — — · Mediterranean Sea - Eastern Basin 0 9.5 0 — — · Tyrrhenian Sea 0 8.8 0 — — · Gulf of Mexico 0 7 0 — — · North Pacific Ocean 0 6.2 0 — — · Arabian Sea 0 2.4 0 — — · Gulf of Mexico 0 2.4 0 — — · Makassar Strait 0 2.4 0 — — · Mediterranean Sea - Eastern Basin 0 2.4 0 — — · Mediterranean Sea - Eastern Basin 0 1.5 0 — —