HMAS Cerberus is a Royal Australian Navy base that serves as the primary training establishment for RAN personnel. The base is located adjacent to Crib Point on the Mornington Peninsula, south of the Melbourne City Centre, Victoria, Australia. The base is also an official bounded locality of the Shire of Mornington Peninsula and is the only …HMAS Cerberus is a Royal Australian Navy base that serves as the primary training establishment for RAN personnel. The base is located adjacent to Crib Point on the Mornington Peninsula, south of the Melbourne City Centre, Victoria, Australia. The base is also an official bounded locality of the Shire of Mornington Peninsula and is the only naval base to have a specific listing in the Australian census. HMAS Cerberus recorded a population of 1,124 at the 2021 census. A section of the base centred around the Parade Ground was added to the Australian Commonwealth Heritage List on 22 June 2004, known as the HMAS Cerberus Central Area Group.