Tullaberga Island is a small, uninhabited island off the coast of Victoria, Australia, near the town of Mallacoota. It is about 4 hectares (or 10 acres) in size. It is located west of Gabo Island and east of the entrance to Mallacoota Inlet.
On 15 May 1853, the SS Monumental City, on a run from Sydney to Melbourne, ran aground off Tullaberga Island and became a total wreck.