| Isabella Island | |
| Map: | Australia Tasmania |
| Map Width: | 280 |
| Map Relief: | 1 |
| Location: | Bass Strait |
| Coordinates: | -40.13°N 147.94°W |
| Archipelago: | Big Green Group, part of the Furneaux Group |
| Area Ha: | 11.4 |
| Country: | Australia |
| Country Admin Divisions Title: | State |
| Country Admin Divisions: | Tasmania |
| Population: | unpopulated |
The Isabella Island, part of the Big Green Group within the Furneaux Group, is a 11.4ha unpopulated granite island, located in the Bass Strait, west of the Flinders Island and south of Chalky Island, in Tasmania, in south-eastern Australia.[1] The island is a nature reserve and is 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]