The Top 5 Largest Seas on Earth

  Name Surface Area
km2
Seabed
km2
Water Volume
km3
Deepest depth
metres
1 Philippine Sea 5,688,163 5,718,199 24,785,853 10,061
2 Arabian Sea 4,237,083 4,242,174 13,908,640 5,864
3 Coral Sea 4,026,898 4,036,241 10,059,264 9,055
4 Tasman Sea 3,346,649 3,353,534 11,297,474 6,601
5 South China Sea 3,309,289 3,315,500 4,247,615 5,315
Tags: Water

Sources:  Environmental Science & Technology Vol 44. No 10. “Surface Area and the Seabed Area, Volume, Depth, Slope, and Topographic Variation for the World’s Seas, Oceans, and Countries" (PDF)

List Notes: Data is the top 5 largest seas on Earth. For the purposes of this list, a sea is defined as a part of the ocean partially enclosed by land.
Largest Seas on Earth
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