Rockingham is a regional centre located to the south of Fremantle, in a beachside location at Mangles Bay.
To the north stretches the maritime and resource-industry installations of Kwinana and Henderson. Offshore to the north-west is Australia's largest naval fleet and submarine base, Garden Island, connected to the mainland by an all-weather causeway. To the west and the south lie the Shoalwater Islands Marine Park.
