As of 2026-10-12, Celebes Sea tops the list with 6,200 m.
- #1 Celebes Sea — 6,200 m
Interisland Sea in the Pacific Ocean
The Celebes Sea or Sulawesi Sea of the western Pacific Ocean is bordered on the north by the Sulu Archipelago and Sulu Sea and Mindanao Island of the Philippines, on the east by the Sangihe Islands chain, on the south by Sulawesi's Minahasa Peninsula, and the west by northern Kalimantan in Indonesia. It extends 605 km (376 mi) north-south by 780 km (485 mi) east-west and has a total surface area of 472,000 km2 (182,000 sq mi), to a maximum depth of 6,220 metres (20,406 ft). South of the... Read more on Wikipedia.
Wikidata - #2 Andaman Sea — 3,777 m
sea of the Indian Ocean
The Andaman Sea is a marginal sea of the northeastern Indian Ocean bounded by the coastlines of Myanmar and Thailand along the Gulf of Martaban and the west side of the Malay Peninsula, and separated from the Bay of Bengal to its west by the Andaman Islands and the Nicobar Islands. Its southern end is at Breueh Island just north of Sumatra, with the Strait of Malacca further southeast. Read more on Wikipedia.
Wikidata - #3 Sea of Japan — 3,742 m
marginal sea between Japan, Russia, and Korea
The Sea of Japan (see § Names for other names) is the marginal sea between the Japanese archipelago, Sakhalin, the Korean Peninsula, and the mainland of the Russian Far East. The Japanese archipelago separates the sea from the Pacific Ocean. Like the Mediterranean Sea, it has almost no tides due to its nearly complete enclosure from the Pacific Ocean. This isolation also affects faunal diversity and salinity, both of which are lower than in the open ocean. The sea has no large islands, bays... Read more on Wikipedia.
Wikidata - #4 Laptev Sea — 3,385 m
sea in the Arctic Ocean
The Laptev Sea is a marginal sea of the Arctic Ocean. It is located between the northern coast of Siberia, the Taimyr Peninsula, Severnaya Zemlya, and the New Siberian Islands. Its northern boundary passes from the Arctic Cape to a point with co-ordinates of 79°N and 139°E, and ends at the Anisiy Cape. The Kara Sea lies to the west, the East Siberian Sea to the east. Read more on Wikipedia.
Wikidata - #5 Sea of Okhotsk — 3,374 m
marginal sea of the Pacific Ocean
The Sea of Okhotsk is a marginal sea of the northwestern Pacific Ocean. It is located between Russia's Kamchatka Peninsula on the east, the Kuril Islands on the southeast, Japan's island of Hokkaido on the south, the island of Sakhalin along the west, and a stretch of eastern Siberian coast along the west and north. Its northeast corner is the Shelikhov Gulf. The sea is named for the port of Okhotsk, itself named for the Okhota River. Read more on Wikipedia.
Wikidata - #6 East China Sea — 2,719 m
Marginal sea in the Pacific Ocean
source Wikidata - #7 Bohol Sea — 1,975 m
Interisland Sea in the Pacific Ocean
The Bohol Sea, also called the Mindanao Sea, is a sea located between the Visayas and Mindanao islands in the Philippines. It lies south of Bohol and Leyte and north of Mindanao. Siquijor and Camiguin are its two major islands. Read more on Wikipedia.
Wikidata - #8 Barents Sea — 600 m
marginal sea of the Arctic Ocean, located off the northern coasts of Norway and Russia
The Barents Sea is a marginal sea of the Arctic Ocean, located off the northern coasts of Norway and Russia and divided between Norwegian and Russian territorial waters. Read more on Wikipedia.
Wikidata - #9 Baltic Sea — 459 m
inland sea of the Atlantic Ocean basin
The Baltic Sea is an arm of the Atlantic Ocean that is enclosed by the countries of Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia, and Sweden. Geophysically, it is surrounded by the Scandinavian Peninsula and the North and Central European Plain regions. It is the world's largest brackish water basin. Read more on Wikipedia.
Wikidata - #10 White Sea — 330 m
marginal sea of the Arctic Ocean
The White Sea is a southern inlet of the Barents Sea located on the northwest coast of Russia. It is surrounded by Karelia to the west, the Kola Peninsula to the north, and the Kanin Peninsula to the northeast. The whole of the White Sea is under Russian sovereignty and considered to be part of the internal waters of Russia. Administratively, it is divided between the Arkhangelsk and Murmansk oblasts and the Republic of Karelia. Read more on Wikipedia.
Wikidata