Surprise Bay is a rural locality in the local government area (LGA) of King Island in the north-west and west LGA region of Tasmania.

The locality is about 28 kilometres (17 mi) south of the town of Currie.

The 2016 census recorded a population of nil for the state suburb of Surprise Bay.

[2] The waters of the Southern Ocean form the south-western boundary, and those of Bass Strait the south-eastern.

An un-numbered route (South Road) provides access to the locality.