The Top 10 Largest Oceans and Seas in the Entire World

Most people know that an Ocean is bigger than a sea, but can you name them in terms of size in square miles? No, me neither. But after doing a little bit of research I have come up with a list of ten that might surprise you more than you think…


Bering Sea
Bering Sea

10 – Bering Sea (890,000 sq Miles)

Separated from the Gulf of Alaska by the Alaska Peninsula, The Bering Sea features international waters in the middle of the sea that is called the “Donut Hole”.

Mediterranean Sea

9 – Mediterranean Sea (971,000 sq Miles)

Surrounded by the Mediterranean Basin it is almost completely enclosed by land and is sometimes considered a part of the Atlantic Ocean.

Caribbean Sea

8 – Caribbean Sea (1,063,000 sq Miles)

Bounded by Mexico and Central America, it has the world’s second biggest barrier reef, the Mesoamerican Barrier Reef.

South China Sea

7 – South China Sea (1,423,000 sq Miles)

The South China Sea has 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.

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Arabian Sea

6 – Arabian Sea (1,492,000 sq Miles)

The Arabian Sea wasn’t always called that, it was once known as the Erythraean Sea and the Persian Sea.

Coral Sea

5 – Coral Sea (1,850,000 sq Miles)

Located off the coast of Australia, it is home to the Great Barrier Reef which is the world’s largest reef system. Also its a World Heritage Site.

Arctic Ocean

4 – Arctic Ocean (4,732,000 sq Miles)

It’s the smallest and shallowest of the world’s five major oceans and its salinity is the lowest on average of the five major oceans, due to low evaporation.

Indian Ocean

3 – Indian Ocean (28,617,000 sq Miles)

So big is the Indian Ocean that it is approximately 20% of the water on the entire Earth’s surface!

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Atlantic Ocean

2 – Atlantic Ocean (36,415,000 sq Miles)

The Atlantic Ocean is said to separate the “Old World” from the “New World” and it is also approximately 20 percent of the Earth’s surface.

Pacific Ocean

1 – Pacific Ocean (70,017,000 sq Miles)

The Pacific Ocean is the largest body of water in the world and is a mind-blowing 46% of the Earth’s water surface and about one-third of its total surface area! Yep, you might have already guessed it (With the stats from the previous ones), that makes it larger than all of the Earth’s land area combined!

Author: Gus Barge

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