Cape Bridgewater is a locality in the Australian state of Victoria located on the western shore of Bridgewater Bay about 21 kilometres (13 mi) south-west of Portland and about 383 kilometres (238 mi) west of Melbourne.

Portland is a city in Victoria, Australia, and is the oldest European settlement in the state. It is also the main urban centre in the Shire of Glenelg and is located on Portland Bay. As of the 2021 census the population was 10,016, increasing from a population of 9,712 taken at the 2016 census.