Mariners Cave, Vava'u, Tonga

This video is intended to show the location of Mariners Cave, Tonga, and to show the access and dive required. We couldn't find a great deal of information about the cave when we were trying to find out about it, and it felt more than a little sketchy to dive into a cave not knowing if there was an air pocket inside.
GPS coordinate - 18° 41.463' S 174° 04.478' W
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