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NAUI Worldwide  is the world's oldest not-for-profit membership training agency organized solely to support and promote dive safety through education.

Australia Underwater - All about diving in Australia - includes photo gallery from all around Australia.

PADI International - Professional Association of Diving Instructors.

Scuba Spearfishing - Your scuba spearfishing resource.

ADS-I Indonesia - Association of Diving School International - Indonesia Chapter.