First Cathedral
About First Cathedral
This popular Lanai dive site is known for a dramatic, two-story underwater cavern with large lava-tube openings that create a cathedral-like feel. Divers visit both for the cavern structure and for the chance to see a variety of marine life, including turtles, sharks, lobsters, and reef fish such as the endemic Bandit Angel.
Where Is First Cathedral?
Safety & Access At First Cathedral
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
This site includes an overhead cavern environment; appropriate training, lighting, and buoyancy control are important. Sharks may be encountered.
Local Intel For First Cathedral
Community notes to help plan your visit.
Scuba
Features a two-story underwater cavern with lava-tube openings.
First Cathedral Dive Conditions Planner
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Exposure Profile at First Cathedral
Directional shelter context for incoming swell.
Recent Logged Visits At First Cathedral
Community dive logs and visit reports for this site.
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Dive Spot Log Averages At First Cathedral
Average conditions based on logged dives & visits.
First Cathedral Guide - Sources and Updates
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