| Saint Margaret Island | |
| Map: | Australia Victoria |
| Location: | Corner Inlet |
| Coordinates: | -38.6307°N 146.829°W |
| Country: | Australia |
| Country Admin Divisions Title: | State |
| Country Admin Divisions: | Victoria |
Saint Margaret Island lies in Corner Inlet, in the Gippsland region of Victoria, Australia. It lies at the eastern end of the Nooramunga Marine and Coastal Park, close to Ninety Mile Beach.[1]