If you want a diving experience packed with variety, then take a dip off Moreton Island. The closest dive site to the state capital of Brisbane, it's a popular destination for divers but there's plenty to go around. Flinders Reef, to the north of the island, is a mix of rocky stacks, ledges and caves, bejewelled in luminescent coral. As you slalom through its rugged underwater landscape, you won't be alone – stingrays, reef and wobbegong sharks and mantas are also frequent visitors here. To the west of Moreton, Curtin Artificial Reef has become a playground for Queensland grouper, turtles and tropical fish since a research team began sinking everything from vehicles to ships to concrete pipes. Further wrecks are sprinkled around the rest of the island, meaning that, wherever you choose to scuba or snorkel, you'll be greeted with spectacular underwater treasures.