Part of the Furneaux Group, Clarke Island (also known by its indigenous name of Lungtalanana Island) has an area of 82 km² (32 sq mi) and is located 15 miles (24 km) off the northeast coast of Tasmania, south of Cape Barren Island. Off its west coast lies the shipwreck of HMS Litherland, which sank in 1853 and was discovered in 1983. Clarke Island is Tasmania's eighth largest island.