Ashmore Reef Marine Park is in the Australian External Territory of Ashmore and Cartier Islands, 630 kilometres north of Broome and 111 kilometres south of the Indonesian island of Roti. The Marine Park covers 583 square kilometres, with depths from less than 15 metres to 500 metres.

Can you visit Ashmore and Cartier Islands?

Economy. There is no economic activity in the Territory, Ashmore and Cartier Islands being uninhabited. Cartier Island is an unvegetated sand island. Access to Cartier Island is prohibited because of the risk of unexploded ordnances.

Where is Ashmore and Cartier Islands located?

Ashmore and Cartier Islands, officially Territory of Ashmore and Cartier Islands, external territory of Australia, in the Indian Ocean. The islands lie 200 miles (320 km) northwest of Western Australia state and some 105 miles (170 km) southwest of the island of Roti, Indonesia.