Bohai Sea
Gulf in China
The Bohai Sea is a gulf/inland sea approximately 77,000 km² in area on the east coast of Mainland China. It is the northwestern and innermost extension of the Yellow Sea, to which it connects to the east via the Bohai Strait. Wikipedia
Area: 30,116 mi²
Islands: Xizhong Island, Fengming Island, and Changxing Island
Average depth: approximately 18 meters