Swan Island, located in Victoria, postcode 3225, is a unique and historically significant suburb situated in Port Phillip Bay, near Queenscliff. Known primarily as a restricted access area, it is home to a high-security Australian Defence Force facility, which includes training centers and operational bases. The island is not open to the public, preserving its tranquil natural environment and rich military heritage. Its picturesque coastal setting and strategic location have made it a key site for national security operations since the late 19th century. Despite its exclusive status, Swan Island remains an intriguing part of Victoria's coastal landscape.
| Postcode: | 3225 |
| State: | VIC |
| Coordinates (lat/long): | -38.271074, 144.614191 |
| Federal Electorate: | Corangamite |