Discover the Great Barrier Reef
The Great Barrier Reef is one of the most spectacular natural wonders on Earth and a UNESCO World Heritage site. Stretching over 2,300 kilometres along Queensland’s coast, the reef is home to vibrant coral gardens, tropical fish, sea turtles, reef sharks and countless marine species.
Cairns is the gateway to the reef, offering easy access to outer reef pontoons, pristine snorkelling sites and world-class dive locations.
Great Barrier Reef Adventure Options
Snorkelling Tours
Perfect for beginners and families, snorkelling tours allow you to float above colourful coral reefs and schools of fish.
Scuba Diving Experiences
Certified divers and first-timers can explore deeper sections of the reef with professional instructors and high-quality equipment.
Reef Cruises & Pontoons
Relax on modern reef vessels featuring underwater observatories, glass-bottom boats and marine biologist presentations.
Island & Helicopter Combos
Combine reef adventures with tropical island visits or scenic helicopter flights for a once-in-a-lifetime experience.
What You’ll See on a Reef Adventure
- Hard and soft coral formations in crystal-clear water
- Clownfish, parrotfish, giant clams and reef sharks
- Sea turtles, rays and seasonal whale sightings
- Outer reef sites with excellent visibility
Best Time to Visit the Great Barrier Reef
Reef tours operate year-round from Cairns. The dry season from May to October offers cooler temperatures and excellent visibility, while the warmer months from November to April feature vibrant marine life and calmer seas on many days.
Book Your Great Barrier Reef Adventure
Whether you want to snorkel, dive or cruise, a Great Barrier Reef adventure from Cairns is an unforgettable Australian experience.
Find Reef Tours & Availability