Portsea, Victoria

Portsea
Portsea Pier
Portsea
Interactive map of Portsea
Coordinates: 38°19′14″S 144°43′02″E / 38.32056°S 144.71722°E / -38.32056; 144.71722
CountryAustralia
StateVictoria
CityMelbourne
LGA
Location
Established1850s
Government
 • State electorate
 • Federal division
Area
 • Total
4 km2 (1.5 sq mi)
Population
 • Total787 (2021 census)
 • Density197/km2 (510/sq mi)
Postcode
3944
Suburbs around Portsea
Point Nepean Port Phillip
Portsea
Bass Strait Sorrento

Portsea is a seaside suburb on the Mornington Peninsula in Melbourne, Victoria, Australia, approximately 60 kilometres (37 mi) south-west of Melbourne's Central Business District, located within the Shire of Mornington Peninsula local government area. Portsea recorded a population of 787 at the 2021 census.

Portsea is located on the opposite side of Port Phillip Bay. The suburb is located on the bay itself, but the locality boundaries stretch as far west as Point Nepean and incorporate a section of Bass Strait coastline. Portsea is the westernmost town on the Mornington Peninsula, and lies adjacent to Sorrento. It has one of the highest average incomes in Australia.