Great Barrier Reef
The Great Barrier Reef is the world's largest coral reef system, stretching over 2,300 kilometres along the Queensland coast. The Whitsunday section, accessed from Airlie Beach and the Whitsunday Islands, features fringing reefs, coral cays and diverse marine life. Inscribed as a UNESCO World Heritage Site in 1981, it is managed by the Great Barrier Reef Marine Park Authority and is renowned for snorkelling, diving and sailing opportunities.