Explore all the things to do on the Great Barrier Reef, weird and wonderful ways to explore this underwater world. Ride an underwater scooter, go helmut diving, swim with whales, dive with sharks, ride in a semi-submarine or glass bottom boat, take a helicopter flight over the reef. View our famous family deals, combo package tour deals, luxury yacht charters, half day tours and helicopter reef combo flights. The Great Barrier Reef is alive with adventure and no-one knows it better than the Barrier Reef Australia team.