DIVE CAIRNS - Learn to Dive, Diving Cairns, cairns diving, learn to dive on the reef with PADI Cairns.Independant Travel Advice. Diving and Snorkelling on the Great Barrier Reef. Pro dive agent and also agents for Tusa dive and down under dive. Situated right in the heart of cairns. Dive cairns is a locally owned company that has been scuba diving on the Great Barrier reef for over 30 years. Beautiful coral for boating on the Reef. Pristine Reef locations with colourful fish,turtles and clams