RAAF Base Rathmines is a heritage-listed former RAAF Second World War seaplane base and now used as community venues, sports venues and a visitor attraction at Dorrington Road, Rathmines, City of Lake Macquarie, New South Wales, Australia. It was in use as an RAAF base from 1939 to 1961. It is also known as Rathmines Park, former RAAF Seaplane Base, Flying Boat Base, Rathmines Aerodrome and Catalina Base. The property is owned by Australian Christadelphian Bible School, Disability Life Enrichment, Don Geddes Nursing Home and Lake Macquarie City Council. The remains of the former air base was added to the New South Wales State Heritage Register on 25 November 2005.