Keyhole Lagoon at Hanauma Bay

Oahu Hawaii Tourist Information and Travel Guide

A section of the Inner Reef that is known as the Keyhole Lagoon is a popular snorkeling destination for novice snorkelers at Hanauma Bay.  Shaped like a giant keyhole, the sandy bottom lagoon is shallow.

Keyhole Lagoon at Hanauma Bay on the Island of Oahu
Keyhole Lagoon at Hanauma Bay, Oahu

The richest sea life can be found near the coral at the parameter of the keyhole.

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