Hobsons Bay is a small open bay in Victoria, Australia, and is the northernmost part of the larger Port Phillip Bay. Its western and eastern boundaries are marked by Point Gellibrand in and Point Ormond in respectively, and defines the coastal margin of the Melbourne suburbs of Wiliamstown,, , , , , and Elwood. The Yarra River flows into Hobsons Bay. Hobsons Bay is named after William Hobson who led the surveying party in Port Philip Bay.

Beaches

Beaches adjoining the bay are Sandridge Beach (in Port Melbourne), Port Melbourne Beach (in Port Melbourne), South Melbourne Beach (in Albert Park), West Beach (in St Kilda West) and St Kilda Beach (in St Kilda).