The dive site Lonehill Reef is an offshore rocky reef in the Off-Whittle southern reefs area of west central False Bay, near Cape Town in the Western Cape province of South Africa. A patch of reef southwest of Whittle Rock reef on the sand at about ? m, rising to ? m on top. Much of the reef is fairly flat and covered with moderate sized boulders with sand between them. Known depths between 39 and 43 m. Surveyed by multibeam in 2022. This site is not in a Marine Protected Area. A permit is not required.

These areas are situated along the South African Coast and are accessible to the public and are known dive locations to the locals from in and around the area, please respect their local fauna and flora, remember limit your catch and don’t catch your limit.