Sea of Marmara - 4,386.26 square miles.
The largest island sea in the world is the Philippine Sea. It is a marginal sea of the western Pacific Ocean bounded by the Philippines to the west, Taiwan to the north, and Japan to the east. Its area is approximately 5 million square kilometers.
169,113 sq miles
The Bering Sea covers 884,900 sq miles (2.292 million km²).
595,391 sq. miles
260,558 sq miles
59425 sq miles
65,795 sq. miles.
260,558 sq miles
1,250 sq miles = 2,011.7 sq kilometres
The Caribbean Sea is one of the largest seas by area. It measures about 2,754,000 km² (1,063,000 sq. mi.).
Europe - 3,930,000 sq miles.
Newfoundland - 156,453 sq miles