Secret Harbour is a coastal suburb situated in the southern part of the Perth metropolitan area, within the City of Rockingham, Western Australia. Located approximately 56 kilometres south of the Perth CBD, Secret Harbour borders the Indian Ocean to the west and is flanked by neighbouring suburbs such as Golden Bay and Port Kennedy. The area is well-connected to Perth and Mandurah via the Kwinana Freeway and Mandurah Road, making it accessible for commuters and visitors seeking a seaside lifestyle.

Residential development is a prominent feature of Secret Harbour, with the suburb known for its modern housing estates and family-friendly environment. The majority of dwellings are detached houses, catering to a mix of families, professionals, and retirees. In recent years, ongoing development has brought an increase in medium density housing, offering a wider range of property types and attracting a more diverse demographic. The population tends to be relatively young, with many residents drawn by the suburb’s proximity to open green spaces, beaches, and recreational facilities.

Secret Harbour’s commercial properties are centered around the Secret Harbour Shopping Centre, which serves as the main retail and community hub for the suburb. Alongside supermarkets and specialty stores, residents have access to cafes, medical clinics, and a variety of services. The Secret Harbour Golf Links, a championship golf course, adds to the suburb’s appeal and draws visitors from across the region. Continued commercial expansion reflects the ongoing population growth and increasing popularity of Secret Harbour as a coastal living destination.