Birchs Bay is a rural residential locality in the local government area (LGA) of Kingborough in the Hobart LGA region of Tasmania.

The locality is about 30 kilometres (19 mi) south of the town of Kingston.

The 2016 census recorded a population of 93 for the state suburb of Birchs Bay.

[2] The waters of the D'Entrecasteaux Channel form most of the eastern boundary.

[3] Route B68 (Channel Highway) runs through from north-east to south-east.