Shengsi Islands

The Shengsi Islands or Archipelago are part of the Zhoushan Archipelago and located south of the mouth of the Yangtze (east of Hangzhou Bay). They comprise 394 islands, each with an area larger than 500 m2, but of which just 18 are inhabitable. The largest island is Sijiao Island with an area of 21.2 km2.

The islands are administered by Shengsi County of Zhoushan City. The islands have a subtropical climate, with yearly average temperature of 15.8 C. The area is also notable as tourist destination and a fishery that attracts more than 100,000 fishermen every winter.