The Ultimate Adventure with Air Whitsunday Travel by Seaplane to the Great Barrier Reef & Whitehaven Beach. Fly over the Whitsunday Islands, and visit our private lagoon located inside The Great Barrier Reef. Air Whitsunday was established in 1973, enabling visitors to easily travel to the Great Barrier Reef in just 30 minutes. Air Whitsunday is the longest-running tour operator in the Whitsundays, and has shared this beautiful region with visitors from all over the world for nearly 50 years. There's nothing quite like landing on the water, inside one of the most beautiful regions in the world.