Sheshan Island () is located east of Chongming Island, in the estuary of the Yangtze River. The area is .
The island is under the jurisdiction of the Shanghai Municipal Region and is guarded by the People's Liberation Army Navy. A 130-year-old lighthouse is located on the island. On November 1, 2005, the stele of "Chinese territorial sea baseline point" was erected.上海市唯一领海基点石碑标志在佘山岛建成落地
See also Waikejiao (外磕脚) Haijiao (海礁) List of islands in the East China Sea
Notes and references
External links Declaration of the Government of the People's Republic of China on the baselines of the territorial sea(May15th, 1996) 中国东海10座领海基点石碑建成 中华人民共和国政府关于中华人民共和国领海基线的声明(1996年5月15日)