Compton Chine to Steephill Cove is a 629.2 hectares (1,555 acres) Site of Special Scientific Interest which extends from Compton Chine on the south-west coast of the Isle of Wight along the coast, around St. Catherine's Point to Steephill Cove, just west of Ventnor on the south-east coast of the island.
This is the largest SSSI area on the island.
The site was notified in 2003 for both its biological and geological features.