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Explore Cave Underground, Underground Swimming, and more!

TONGA- Anahulu Cave- There is fresh water you can swim in within these limestone caves. Tonga Anahulu Beach is right outside the caves and is a great place for snorkeling.

Anahulu Cave Photo by Florian Wizorek. Tongan locals swimming and jumping in the fresh water pool inside candle-lit Anahulu Cave, TONGA.

Sea Kayaking (Tonga). 'The best way to see the aquamarine waterways and remote sandy islands of Tonga’s Vava’u and Ha’apai groups is to take to the water on a guided multiday kayak tour. There’s plenty on offer, from single-day trips to 13-day packages, giving you the opportunity to see paradise, get a bit of exercise, and meet smiling villagers on outer islands.' http://www.lonelyplanet.com/tonga/vavau-group