Isabella Island is an island nature reserve, with an area of 11.4 ha, in south-eastern Australia. It is part of Tasmania’s Big Green Island Group, lying in eastern Bass Strait west of Flinders in the Furneaux Group.[1] The island is also part of the Chalky, Big Green and Badger Island Groups Important Bird Area.[2]
Recorded breeding seabird and wader species are Little Penguin, Pacific Gull, Sooty Oystercatcher and Pied Oystercatcher. Cape Barren Geese also breed there. Reptiles present include the Metallic Skink, White's Skink and White-lipped Snake.[1]