Learn about the Great Barrier Reef
The Great Barrier Reef makes up about 10 per cent of the world's coral reef ecosystems, and is one of the best known and most complex natural systems on Earth.
Within this vast expanse is a unique range of ecological communities, habitats and species – all of which make the Reef one of the most complex natural ecosystems in the world.
The Reef is a Marine Park and World Heritage Area, supporting a range of commercial activities and attracting millions of visitors each year who come to enjoy its beauty above and below the water.
Find out more by visiting the Great Barrier Reef Marine Park Authority's Learn about the Reef page.
Find out how you can assist the protection and management of the Reef on the Help the Reef page.
Check out the Eye on the Reef app to record reef health, animal sightings or incidents when visiting the Reef.