Great Barrier Reef
The world's largest coral reef system and marine paradise
About Great Barrier Reef
The Great Barrier Reef is the largest living structure on Earth, stretching over 2,300 kilometres along Queensland's coast. Comprising nearly 3,000 individual reef systems, 900 islands, and 600 continental islands, it is home to an astonishing diversity of marine life. Visible from space, this UNESCO World Heritage Site is one of the seven natural wonders of the world and offers some of the most extraordinary underwater experiences available anywhere.
Quick Facts
- Length: 2,300km
- UNESCO World Heritage Site since 1981
- Nearly 3,000 individual reef systems
- Home to 1,500+ species of fish
- Visible from space
Top Highlights
Snorkelling & Diving
Dive or snorkel among 1,500 species of tropical fish, 400 types of coral, 4,000 species of mollusc, and 240 species of birds. The outer reef offers the best visibility and most vibrant coral gardens.
Whitsunday Islands
74 island gems in the heart of the reef, including Whitehaven Beach — consistently ranked among the world's best with its brilliant white silica sand and stunning turquoise waters of Hill Inlet.
Heart Reef
A naturally heart-shaped coral formation in the Whitsundays, best viewed from a scenic helicopter or seaplane flight. This iconic Australian image has become a symbol of the reef worldwide.
Lady Elliot Island
A coral cay at the southern tip of the reef, renowned for manta ray encounters, turtle nesting (November–March), and some of the reef's best snorkelling directly from shore. Accessible only by small aircraft.
Marine Life
The Great Barrier Reef supports an extraordinary ecosystem. Encounter six of the world's seven marine turtle species, 30 species of whales and dolphins, and the majestic dugong. From June to July, dwarf minke whales migrate through the reef, offering swimming encounters found nowhere else on earth. During coral spawning (usually November), the reef erupts in a mass underwater snowstorm of eggs and sperm — one of nature's greatest spectacles.
Island Stays
From luxury resorts to eco-camping, the reef islands offer unforgettable stays. Hamilton Island is the most popular, with its resort village, golf course, and daily reef trips. Lizard Island offers exclusive luxury with just 40 rooms and direct access to the famous Cod Hole dive site. Heron Island is a true coral cay where you can snorkel straight from the beach to the reef. For budget travellers, camping is available on several national park islands.
Conservation
The Great Barrier Reef faces challenges from climate change, with coral bleaching events impacting sections of the reef. Significant conservation efforts are underway, including the Reef Restoration Foundation's coral nurseries, citizen science programs where visitors help monitor reef health, and the Australian Government's Reef 2050 Plan. Many reef operators are eco-certified and contribute to reef protection — choosing responsible operators supports the reef's future.