OC-183 Western Australia State (S.W. Coast) Centre group

Wedge Island is located north of Lancelin and south of Cervantes on the Western Australian coast. The island occupies an area 4.03 hectares (9.96 acres) and is situated 200 metres (656 ft) from the mainland. The island has a maximum elevation of 21 m (69 ft). It lies within the Turquoise Coast islands nature reserve group, a chain of 40 islands spread over a distance of 150 kilometres (93 mi) from north to south.