Lanai
United States · Hawaii
Lanai's sheltered leeward coast offers some of Hawaii's clearest water and most spectacular lava tube cathedral formations, with resident spinner dolphins, giant moray eels, and exceptional visibility year-round.
How this reef is doing
ⓘ How we measure thisReef state
Live science signals for this reef are still being gathered.
Coral cover
Fish life
Heat
Fishing
Open to fishing, and the water is fairly quiet.
Sources · Global Fishing Watch and reef gravity
What you will see
16 species across the dive sites here
Green Sea Turtle
Seen 1 month ago
at Shark Fin Rock
Least concern
Hawaiian spinner dolphin
Seen 2 months ago
at First Cathedral
Least concern
Red-Crested Cardinal
Seen 2 months ago
at First Cathedral
Least concern
Brown Anole
Seen 2 months ago
at First Cathedral
Least concern
Moorish idol
Seen 6 months ago
at Second Cathedral
Least concern
Yellow Tang
Seen 6 months ago
at First Cathedral
Least concern
Redlip Parrotfish
Seen 6 months ago
at First Cathedral
Least concern
Hawaiian cleaner wrasse
Seen 8 months ago
at First Cathedral
Least concern
Trumpetfish
Seen 8 months ago
at Shark Fin Rock
Least concern
Giant moray eel
Seen Jun 2025
at First Cathedral
Least concern
Whitetip reef shark
Seen Jun 2025
at First Cathedral
Vulnerable
Black coral
Seen year round
at Second Cathedral
Giant trevally
Seen year round
at Shark Fin Rock
Least concern
Pelagic thresher shark
Seen year round
at Shark Fin Rock
Endangered
Scalloped hammerhead shark
Seen year round
at Shark Fin Rock
Critically endangered
Spiny lobster
Seen year round
at Second Cathedral
