Hanauma Bay is a nature preserve situated within a volcanic cone, offering visitors one of the most unique snorkeling and diving destinations on the Hawaiian archipelago. The bay was declared a protected marine conservation area in 1967 and supports a diverse collection of marine life, including green sea turtles.

You can visit the bay by car, bus, or shuttle and spend your day enjoying the pristine underwater wonderland, where you will be surrounded by colorful coral and millions of sea creatures. There are several outfitters where you can hire equipment and take snorkeling lessons. For a great view of the bay, you can hike one of several trails or take a short tram ride to the crater rim.

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