The island was officially dual named Barunguba Montague Island in 2021, and the park named changed to Barunguba Montague Island Nature Reserve on 7 July 2023.
Barunguba Montague Island has a north–south orientation and is 1.8 km long and approximately 500 m wide.
These planning considerations should be read with the Barunguba Montague Island Nature Reserve draft plan of management.