Maroubra, New South Wales, sits in Sydney. About 30,224 people live here. Set out by distance: 5.4 km out stands The Duck Pond, 6.8 km out stands Kippax Lake to the north, 27.4 km out stands Lake Parramatta followed by 35.1 km out stands Prospect Reservoir to the north-west. Prospect Reservoir answers to the pipe