The Ngari Capes Marine Park is a marine protected area on the lower south west coast of Western Australia, located approximately 250 kilometres (160 mi) south of Perth.

The 123,790-hectare (305,900-acre) marine park was gazetted on 12 June 2012 (2012-06-12)[2] and the park's western and southern boundaries are the limit of coastal waters of Western Australia,[1] abutting the South-west Corner Marine Park located within the Australian Commonwealth exclusive economic zone.

[3] The dive wreck of HMAS Swan is located within the park waters, between Dunsborough and Cape Naturaliste.

[4] The park includes a significant number of sanctuary, surfing, shore-based activity and recreation zones.

From the north to the south, some of the special sanctuary zones within the park are East Geographe, Central Geographe Bay, Eagle Bay, Eagle Bay Special Purpose Zone (shore-based activities), Cape Naturaliste, and Windmills Special Purpose Zone (SPZ) (surfing).