Dave's Cave
Also known as: The Maze, The Labyrinth, Blackrock Tunnels
Best time to dive
January to December; April to November
Certification & difficulty
Open Water - advanced conditions (currents/depth); dive within your training.
Snorkelling
Not a snorkel site - Not typically snorkeled - it is a surf-zone tunnel/cavern system dived by boat only when seas are flat; not a standard shore snorkel site
Safety notes
Surf/surge in the overlying swell zone (site closed to diving unless seas are calm); overhead/cavern sections require good buoyancy control and no-touch discipline; lionfish (venomous spines) present
Permits & fees
No site-specific permit found; recreational diving is done through a licensed Rarotonga dive operator (Cook Islands Quality Assured / PADI 5-star centers) - no separate marine-park fee identified for this inner-reef site
Permits and operators change - confirm before booking.
Location
Nearest hub: Rarotonga
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.