St Kilda Beach is a beach located in St Kilda, Port Phillip, Victoria, Australia, 6 kilometres south from the Melbourne city centre. It is Melbourne's most famous beach. The beach is a sandy beach about 700 metres long between St Kilda Marina and St Kilda Harbour along Jacka Boulevard and St Kilda Esplanade. It is located at the north-east corner of Port Phillip and is protected from ocean swell, though still affected by strong westerly winds.