Louisa Island - TAS

Louisa Island is an island with a short sandy tombolo, located adjacent to the south-western coast of Tasmania, Australia. The irregularly shaped 23-hectare (0.089 sq mi) island is part of the Maatsuyker Islands Group, and comprises part of the Southwest National Park and the Tasmanian Wilderness World Heritage Site.[1][2]
The island's highest point is 80 metres (260 ft) above sea level and, at low tide, the island is joined to the mainland by a 250 metres (820 ft) sand spit.