The Western Port Bay Trail is a shared use path for cyclists and pedestrians which follows the coastline of Western Port Bay through several towns on the eastern side of the Mornington Peninsula in Melbourne, Victoria, Australia. The trail begins in Somerville, travelling south through the towns of Tyabb, Hastings, Bittern, Somers and ending in the town of Balnarring. Construction of the trail began in 1994, initially only as a 9 km path connecting the towns of Somerville, Tyabb and Hastings.