Shek Chau (Chinese: 石洲; literally: "stone island") is a small island in Port Shelter, Sai Kung, Hong Kong. It is under the administration of Sai Kung District.
The island has an area of 0.003 km². It is located off the northwestern coast of the island Yim Tin Tsai.
Coordinates: 22°22′48″N 114°17′58″E / 22.379923°N 114.299333°E