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Black Rock ( Waianae )
Quick Stats
Average Visibility: 50ft - 100ft
Depth (feet): 80 average
Max Depth (feet): 90 typical max / 105 max
Avg. Bottom Time: 30min
Common Aquatic Life:
Moray Eels, Occasional Pelagic Life, Octopus, Rare Frogfish, Scorpionfish, Whitetip Reef sharks

Checking out the large corals found on the northern slope of black rock

At first glance, Black Rock seems like a freak of nature.  The "cavern" is actually a large open space underneath an enormous umbrella shaped lava finger.  While hangin out in the cavern, a diver can expect to see buttercup corals, a variety of mollusks, sponge crabs. Occasionally, white tip reef sharks rest here during the day.