The 2021 census has a population of 339 for the state suburb of Boat Harbour.

[2] The waters of Bass Strait form most of the northern boundary, the exception being the locality of Boat Harbour Beach.

Route C231 (Gates Road) starts at an intersection with A2 and runs south until it exits.

Route C232 (Port Road) starts at an intersection with A2 and runs north to the locality of Boat Harbour Beach.

Route C233 (Sisters Beach Road) starts at an intersection with C232 and runs west until it exits.