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As Australia’s lead management agency for the Great Barrier Reef, we monitor Reef conditions throughout the year and from May to November each year, issue regular Reef health updates.

The Great Barrier Reef makes up 10 per cent of the world's coral reef ecosystems, and is one of most complex systems on Earth. Discover key facts about the Reef.

The Great Barrier Reef is home to a stunning array of animals, from microscopic plankton to whales weighing more than 100 tonnes.

The Great Barrier Reef is the largest and best-known coral reef ecosystem in the world and hosts thousands of species of hard and soft corals.

Coral spawning is one of the Great Barrier Reef's most spectacular events, and the most significant event in the mass reproduction of corals.

Our new podcast, Reef in Focus, delves into some of the brightest minds managing the Reef. You'll hear from marine biologists, chief scientists and other industry leaders tackling the big topics.

Our Eye on the Reef monitoring and assessment program enables anyone who visits the Great Barrier Reef to contribute to its long-term protection by collecting valuable information about reef health, marine animals and incidents that is used to und

There are approximately 70 Traditional Owner groups whose Sea Country includes the Great Barrier Reef Marine Park with connections dating back 60,000 years.

Like all reefs around the world, the Great Barrier Reef is under pressure, particularly from climate change, coastal development, land-based run-off and illegal fishing.

The Reef Authority offers an extensive range of educational resources and programs. Discover our extensive range of contemporary reef educational resources and programs.

Master Reef Guides are world-leading interpreters sharing the wonders of the Great Barrier Reef. There are currently 82 Master Reef Guides located across the Reef.

The Reef Discovery online course is a convenient online education package that aims to improve knowledge and understanding of the Great Barrier Reef World Heritage Area, its cultural connections, biological diversity, management and protection and

The Great Barrier Reef is internationally recognised for its outstanding biodiversity. The World Heritage status of the Reef recognises its great diversity of species and habitats. 

The Great Barrier Reef was World Heritage listed in 1981, recognising it as one of the most remarkable places on Earth. It extends from Cape York to Bundaberg.

There are 14 coastal ecosystems that are important to the function of the Great Barrier Reef. Some remain in their natural state while others have changed over time due to land use.

The heritage of the Great Barrier Reef, including its places, values and experiences dates back tens of thousands of years, and shapes this precious ecosystem.

The Great Barrier Reef hosts a rich and diverse maritime cultural heritage. Nearly 800 recorded ship and plane wrecks are resting at the bottom of the Reef.

The Reef Authority manages three Commonwealth Heritage listed sites in the Marine Park: Dent Island Lightstation, Lady Elliot Island Lightstation and Low Isles.

A range of valuable resources about the Great Barrier Reef and the Reef’s health and management that are suitable for school students to marine managers.