HMAS Penguin, located in the suburb of Balmoral in Sydney's Lower North Shore, is a Royal Australian Navy (RAN) base and training facility in New South Wales. Situated in the postcode area 2091, it serves as a critical hub for naval health services, including the RAN's School of Underwater Medicine and the Defence Force School of Occupational Therapy. The base, nestled in a picturesque waterfront location, combines operational functionality with the serene surroundings of Sydney Harbour. HMAS Penguin also contributes to the local community by supporting events and maintaining historical ties to Australia's naval heritage.
| Postcode: | 2091 |
| State: | NSW |
| Coordinates (lat/long): | -33.8279, 151.261 |
| Federal Electorate: | Mackellar |