Tin Kettle Island is a long, sandy island, with an area of 176 ha, in south-eastern Australia. It is part of Tasmania’s Tin Kettle Island Group, lying in eastern Bass Strait between Flinders and Cape Barren Islands in the Furneaux Group. The island is joined at low tide to nearby Anderson and Little Andersons by extensive intertidal mudflats. The island is farmed, mainly cattle grazing.