First Cathedral is large lava tube that is approximately 100 feet in length and is nearly two stories high, this is an amazing dive site that is a must do while in Hawaii. As you enter the Chamber for the first time make sure you take a moment to really appreciate the full experience of the Cathedral like atmosphere. When the sun's rays enter through holes in the ceiling they illuminate the chamber and create a stained glass window effect. There are several rooms and passageways, make sure you take the time to fully explore for crabs, lobsters, shell life and the occasional white tip reef shark. There is also a lot of marine life to be found outside the grotto, so be sure to keep your eyes open and your camera ready.

Warning: Some areas of the cavern may be off limits when the surf is strong, make sure to check with your dive guide before entering. Sea life: Crabs, Butterfly Fish, Turtle, Moorish Idols and Octopus.

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First Cathedral's huge chamber can be accessed by a brilliant tunnel displaying a magic light show when the sun shines on its porous ceiling.

Take a look at some of the other dive destinations.