At Wheeler Reef, On the Great Barrier Reef off Townsville, you can enjoy diving or snorkelling on some of the most pristine reefs. Wheeler Reef is an ideal location for certified divers, the novice diver or snorkellers. The maximum depth is 18m and the lagoon is abundant with an exciting array of marine life. Explore the myriad of gullies, canyons, caves and swim-throughs that this reef is famous for.