Tabs GroupWelcome Previous Pause Next Boyinaboat is just 75 metres from the sea wall of Hillarys Boat Harbour, and its accessibility and beauty has made it one of the most popular dive sites in Perth. Boyinabout Reef is in a sanctuary (no take) zone in about six meters of water at the southern end of a chain of inshore reefs. It is just 75 meters from the sea wall of Hillarys Boat Harbour and its accessibility and beauty have made it one of the most popular dive sites in Perth. Back to Park Site Activities: Diving Swimming Snorkelling No dogs allowedNo drinking water available Activities Diving Swimming Snorkelling Back to Park