Mermaid Drop-off (Mermaid Wall)

Rowley Shoals, Western Australia, Australia

The outer reef wall of Mermaid Reef — a vertical drop from 5 m past 1,000 m into the Timor Sea. Depths 8-40+ m along a coral wall with soft coral, gorgonian fans, sponge cover, schools of fusiliers and snappers, reef sharks, and occasional manta passes. Liveaboard-only; Advanced certification; visibility routinely 40 m+.