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Waterfall Bay, Cathedral Cave is a boat accessible salt water dive site, located in Hobart, Tasmania, Australia. The maximum depth is 51-60ft/16-18m.

Waterfall Bay is considered as the best boat diving in the Tasman Peninsula region. The site is created from huge sandstone walls that have been considerably eroded to offer huge caves, tunnels and canyons. Here you will discover excellent walls to 18m, swim-throughs and bommies that are suitable for all levels of diving experience.

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