Surely, the deepest of the Oceans and seas are all the Oceans first right? Well, no. In fact, more than a few seas make this list before some of the Oceans. But which ones? Read on and find out, not only the deepest but also the average depth of them…

10 – Arctic Ocean (Average Depth: 3,953 ft)

Wiki: The Arctic Ocean is the smallest and shallowest of the world’s five major oceans. The International Hydrographic Organization recognises it as an ocean, although some oceanographers call it the Arctic Mediterranean Sea or simply the Arctic Sea, classifying it a mediterranean sea or an estuary of the Atlantic Ocean.

9 – Japan Sea (Average Depth: 4,429 ft)

Wiki: The Sea of Japan is a marginal sea between the Japanese archipelago, Sakhalin, and the Asian mainland. The Japanese archipelago separates the sea from the Pacific Ocean. It is bordered by Japan, North Korea, Russia and South Korea. Like the Mediterranean Sea, it has almost no tides due to its nearly complete enclosure from the Pacific Ocean.

8 – Mediterranean Sea (Average Depth: 4,688 ft)

Wiki: The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Southern Europe and Anatolia, on the south by North Africa, and on the east by the Levant. The sea is sometimes considered a part of the Atlantic Ocean, although it is usually identified as a separate body of water.

7 – Gulf of Mexico (Average Depth: 4,874 ft)

Wiki: The Gulf of Mexico is an ocean basin largely surrounded by the North American continent. It is bounded on the northeast, north and north-west by the Gulf Coast of the United States, on the south-west and south by Mexico, and on the south-east by Cuba.

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6 – Bering Sea (Average Depth: 5,075 ft)

Wiki: The Bering Sea is separated from the Gulf of Alaska by the Alaska Peninsula. It covers over 2,000,000 square kilometres and is bordered on the east and northeast by Alaska, on the west by Russian Far East and Kamchatka Peninsula, on the south by the Alaska Peninsula and the Aleutian Islands and on the far north by the Bering Strait, which connects the Bering Sea to the Arctic Ocean’s Chukchi Sea.

5 – South China Sea (Average Depth: 5,419 ft)

Wiki: The South China Sea is a marginal sea that is part of the Pacific Ocean, encompassing an area from the Karimata and Malacca Straits to the Strait of Taiwan of around 3,500,000 square kilometres. The area’s importance largely results from one-third of the world’s shipping sailing through its waters and that it is believed to hold huge oil and gas reserves beneath its seabed.

4 – Caribbean Sea (Average Depth: 8,685 ft)

Wiki: The Caribbean Sea is a sea of the Atlantic Ocean in the tropics of the Western Hemisphere. It is bounded by Mexico and Central America to the west and south-west, to the north by the Greater Antilles starting with Cuba, to the east by the Lesser Antilles, and to the south by the north coast of South America.

3 – Atlantic Ocean (Average Depth: 12,880 ft)

Wiki: The Atlantic Ocean is the second-largest of the world’s oceans with a total area of about 106,460,000 square kilometres. It covers approximately 20 percent of the Earth’s surface and about 29 percent of its water surface area. It separates the “Old World” from the “New World”.

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2 – Indian Ocean (Average Depth: 13,002 ft)

Wiki: The Indian Ocean is the third largest of the world’s oceanic divisions, covering 70,560,000 km2. It is bounded by Asia on the north, on the west by Africa, on the east by Australia, and on the south by the Southern Ocean or, depending on definition, by Antarctica. It is named after the country of India.

1 – Pacific Ocean (Average Depth: 13,215 ft)

Wiki: The Pacific Ocean is the largest of the Earth’s oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean in the south and is bounded by Asia and Australia in the west and the Americas in the east.