The Top 5 Smallest Seas

  Sea Surface Area
km2
Deepest depth
metres
1 Marmara Sea 11,350 sq km
(4,380 sq mi)
1,370 metres
(4,490 ft)
2 Sea of Cortez
(Gulf of California)
230,000 sq km
(88,800 sq mi)
3,000 meters
(9,800 ft)
3 Persian Gulf 293,960 sq km
(113,500 sq mi)
90 metres
(300 ft)
4 Yellow Sea 382,000 sq km
(147,500 sq mi)
152 metres
(499 ft)
5 Baltic Sea 427,090 sq km
( 164,900 sq mi)
459 metres
(1,506 ft)
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Tags: Planet Earth, Geography, Water

Sources:  Top 5 of Anything ocean and sea research, 2020.

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

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