10. Sea of Okhotsk, Pacific Ocean
Estimated Area: 537,500 square miles or 1,392,100 square kilometers

9. Gulf of Mexico, Atlantic Ocean
Estimated Area: 582,100 square miles or 1,507,600 square kilometers

8. Bering Sea, Pacific Ocean
Estimated Area: 873,000 square miles or 2,261,100 square kilometers

7. Mediterranean Sea, Atlantic Ocean
Estimated Area: 969,100 square miles or 2,509,960 square kilometers

6. Caribbean Sea, Atlantic Ocean
Estimated Area: 971,400 square miles or 2,515,900 square kilometers

5. South China Sea, Pacific Ocean
Estimated Area: 1,148,500 square miles or 2,974,600 square kilometers

4. Arctic Ocean
Estimated Area: 5,105,700 square miles or 13,223,700 square kilometers

3. Indian Ocean
Estimated Area: 28,350,500 square miles or 73,427,450 square kilometers

2. Atlantic Ocean
Estimated Area: 33,420,000 square miles or 86,557,400 square kilometers

1. Pacific Ocean
Estimated Area: 64,186,300 square miles or 166,241,750 square kilometers

Over 70% of the planet’s surface is oceanic.

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