Snorkeller above vibrant coral and tropical fish on the Great Barrier Reef near Cairns, Queensland

🐠 World Heritage Reef56+ Tours

Great Barrier Reef Tours

Snorkel and dive the world's largest coral reef from Cairns & Port Douglas. Outer reef day trips, intro dives & liveaboards with best price guarantee & instant confirmation.

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Showing 56 tours across the Great Barrier Reef

Barron River Rafting (Cairns Return Transfer)

🐠 Great Barrier Reef

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Barron River Rafting (Cairns Return Transfer)

Cairns, QLD

Half-day white water rafting on the Barron River with Cairns return transfers. Navigate exciting rapids through stunning tropical rainforest gorge — perfect for first-timers and thrill-seekers alike.

Daintree Rainforest Day Tour

Cairns, QLD

Full-day immersion in the ancient Daintree Rainforest from Cairns. Cruise crocodile-inhabited rivers, walk through the world's oldest rainforest canopy, and visit Cape Tribulation where reef meets rainforest.

Rainforest River Tubing

Cairns, QLD

Float through tropical rainforest on an inflatable tube — 4 hours of relaxed adventure in Cairns. Drift past ancient ferns, spot wildlife, and enjoy natural swimming holes in this unique eco experience.

Tully River Rafting (Cairns Return Transfers)

Cairns, QLD

Australia's best white water rafting — a full day on the mighty Tully River with Grade 3-4 rapids. Includes Cairns return transfers, lunch, and expert guides through 45 rapids in pristine rainforest.

Waterfall Tours (Departs Cairns)

Cairns, QLD

Chase waterfalls on this 10-hour adventure from Cairns. Visit the region's most spectacular cascades, swim in crystal-clear rock pools, and hike through lush tropical rainforest on the Atherton Tablelands.

Aqua Adventure (Cairns Jetboating & Barron River Rafting)

Cairns, QLD

Double-hit adrenaline combo in Cairns — jetboating through Trinity Inlet followed by white water rafting on the Barron River. 4 hours of high-octane water action with stunning rainforest scenery.

Barron River Rafting (Port Douglas Return)

Port Douglas, QLD

Half-day Barron River rafting with Port Douglas pick-up and return. Perfect for travellers staying in Port Douglas wanting tropical white water rafting in a stunning gorge setting.

Barron River Rafting (Self Drive)

Cairns, QLD

Budget-friendly Barron River rafting — drive yourself to Lake Placid and jump straight into the action. 2.5 hours of white water rapids through tropical gorge without transfer costs.

Cairns Boat Hire (8 Man Pontoon Boat)

Cairns, QLD

Hire a pontoon boat for up to 8 people and explore Cairns waterways at your own pace. Perfect for fishing, cruising Trinity Inlet, or a relaxed day on the water with friends and family.

Cairns Boat Hire (Tinny 4 Pax)

Cairns, QLD

Hire a tinny boat for up to 4 people — ideal for a DIY fishing trip or quiet cruise around Cairns' stunning waterways. Easy to handle and perfect for exploring at your own pace.

Cairns Jetboating

Cairns, QLD

35 minutes of high-speed thrills on Cairns' Trinity Inlet. 360-degree spins, power slides, and breathtaking speed past mangroves and mountains — the ultimate Cairns adrenaline rush on water.

Cairns River Cruise

Cairns, QLD

Relaxing 75-minute river cruise through Cairns' scenic waterways. Spot crocodiles, birds, and marine life while learning about the local ecosystem from expert guides on this peaceful eco cruise.

Cairns Sunset River Cruise

Cairns, QLD

Cruise into the sunset on Cairns' tranquil waterways. 90 minutes of golden light over the mountains, wildlife spotting, and tropical ambience — the perfect end to a Cairns adventure day.

Daintree Discover: Rainforest & Accommodation (2 Day)

Cairns, QLD

2-day Daintree immersion with overnight accommodation. Day one: ancient rainforest, Cape Tribulation, croc cruise. Day two: further exploration of the world's oldest tropical rainforest.

Daintree Discover: Rainforest & Reef (2 Day)

Cairns, QLD

2-day combo — Daintree Rainforest on day one, Great Barrier Reef snorkelling on day two. Experience both of Cairns' UNESCO World Heritage sites in one incredible overnight adventure.

Daintree Discover: Rainforest, Reef & Ziplining (2 Day)

Cairns, QLD

The ultimate 2-day Cairns adventure — Daintree rainforest walks, canopy ziplining, Cape Tribulation, croc spotting, and Great Barrier Reef snorkelling. Two UNESCO sites, one unforgettable trip.

Daintree Flow (Tully Rafting & Daintree Tour)

Cairns, QLD

2-day combo of adrenaline and nature — Tully River white water rafting and Daintree Rainforest exploration. Two of North Queensland's best experiences back to back.

Natural Explorers (Waterfalls & Daintree)

Cairns, QLD

2-day nature discovery — chase waterfalls and swim in rock pools on day one, then explore the ancient Daintree Rainforest and Cape Tribulation on day two. Pure tropical adventure.

Tube & Turbo (River Tubing & Cairns Jetboat)

Cairns, QLD

5-hour combo of river tubing through rainforest and jetboating thrills on Cairns' waterways. The perfect mix of relaxed floating and high-speed water action.

Tully River Rafting (Self Drive)

Tully, QLD

Grade 3-4 white water rafting on the Tully River — drive yourself to Gumboot carpark and save. 7.5 hours of adrenaline through 45 rapids in pristine tropical rainforest.

Tully River Rafting (Mission Beach Transfers)

Mission Beach, QLD

Full-day Tully River rafting with Mission Beach return transfers. Navigate 45 rapids through World Heritage rainforest on Australia's premier white water river.

1 Certified Dive (OZ INTRO)

Cairns, QLD

Single certified dive add-on for qualified divers visiting Cairns. Explore the outer Great Barrier Reef's vibrant coral walls, swim with tropical fish, turtles, and rays on a world-class dive site.

Full Day Outer Great Barrier Reef Tour

Cairns, QLD

Full-day snorkelling adventure on the outer Great Barrier Reef from Cairns with Passions of Paradise. Visit two pristine reef sites, spot turtles and tropical fish, and enjoy lunch on the water.

Full Day Outer Reef Tour (Family 2A/2C)

Cairns, QLD

Family-friendly Great Barrier Reef day out from Cairns. 2 adults and 2 children explore the outer reef together — snorkelling, marine life spotting, and memories to last a lifetime.

Full Day Outer Reef + 1 Certified Dive

Cairns, QLD

Full-day outer reef tour with one certified dive included. Snorkel and dive the Great Barrier Reef from Cairns — see coral gardens, reef sharks, turtles, and colourful tropical fish up close.

Full Day Outer Reef + 2 Certified Dives

Cairns, QLD

Full-day reef tour with two certified dives for experienced divers. Explore two different dive sites on the outer Great Barrier Reef — maximum underwater time on the world's largest reef system.

Full Day Outer Reef + Intro Dive

Cairns, QLD

Full-day Great Barrier Reef tour with an introductory dive — no experience needed. Professional dive instructors guide you underwater for your first reef dive alongside world-class snorkelling.

Offroad Adventure Buggy Tour

Cairns, QLD

5-hour offroad buggy adventure through Cairns' tropical hinterland. Navigate muddy trails, creek crossings, and rainforest tracks in your own all-terrain buggy — pure adrenaline in the tropics.

Behana Canyoning Tour

Cairns, QLD

5-hour canyoning adventure in Cairns' Behana Gorge. Abseil down waterfalls, slide through rock chutes, swim through crystal pools, and explore a hidden tropical canyon — no experience needed.

Behana Canyoning Tour (Family of 4)

Cairns, QLD

Family canyoning adventure for 4 in Behana Gorge, Cairns. Abseil waterfalls, slide through natural rock slides, and swim through the rainforest canyon together — an unforgettable family day out.

Crystals Canyoning Tour

Cairns, QLD

5-hour canyoning in Crystals Canyon, Cairns — a hidden gem with sparkling crystal-clear pools, waterfall abseils, and lush tropical surrounds. A unique Cairns adventure off the beaten track.

Explorer Tour: Waterfall & Rainforest Sightseeing

Cairns, QLD

5-hour guided sightseeing tour through Cairns' waterfalls and rainforest. A more relaxed alternative to canyoning — perfect for all fitness levels wanting to discover the tropical hinterland's hidden beauty.

Spillway Adventure Tour (Full Day)

Cairns, QLD

10-hour full-day canyoning epic at the Spillway near Cairns. The ultimate adventure — multiple waterfall abseils, cliff jumps, rock slides, and swimming through deep canyon pools in pristine rainforest.

Cairns Tandem 15,000ft Skydive (With Transfer)

Cairns, QLD

Freefall over tropical North Queensland from 15,000ft! Stunning views of the Great Barrier Reef, rainforest-covered mountains, and the Cairns coastline. Includes return transfers from Cairns accommodation.

Mission Beach Tandem 15,000ft Skydive (Self Drive)

Mission Beach, QLD

Skydive over Mission Beach — one of Australia's most spectacular drop zones. Freefall from 15,000ft with views of the Great Barrier Reef, Dunk Island, and tropical rainforest meeting the sea.

Mission Beach Tandem 15,000ft Skydive (With Cairns Transfer)

Cairns, QLD

Jump from 15,000ft over Mission Beach with return transfers from Cairns. See the reef, islands, and rainforest from the sky before a beach landing. One of the world's most scenic skydive locations.

Mission Beach Tandem 15,000ft Skydive with Mission Beach Transfers

Mission Beach, QLD

Tandem skydive from 15,000ft over Mission Beach with local transfers. Experience the ultimate rush with views of the Great Barrier Reef, Dunk Island, and the Wet Tropics rainforest.

4 Day Open Water Dive Course Special

Cairns, QLD

Fast-track your PADI Open Water certification in just 4 days in Cairns. Includes pool sessions, theory, and two Great Barrier Reef day trips. Start your diving journey on one of the world's most famous reef systems.

AquaQuest — Great Barrier Reef Day Trip

Cairns, QLD

Full-day Great Barrier Reef trip aboard AquaQuest from Cairns. Visit two outer reef sites with snorkelling, optional intro and certified dives. Includes buffet lunch, morning/afternoon tea, and all equipment.

AquaQuest Day Trip — One Free Intro Dive Special

Cairns, QLD

Special offer: AquaQuest Great Barrier Reef day trip with one FREE introductory dive included. Experience the outer reef with snorkelling, diving, and a delicious buffet lunch.

OceanQuest 1-Night Liveaboard

Cairns, QLD

2-day, 1-night liveaboard on the Great Barrier Reef aboard OceanQuest. Wake up on the reef with more dive time and fewer crowds. Includes meals, snorkelling gear, and up to 5 dives.

OceanQuest 2-Night Liveaboard

Cairns, QLD

3-day, 2-night liveaboard experience on the outer Great Barrier Reef. Maximise your reef time with up to 11 dives, night dives, and the chance to explore multiple reef sites. All meals included.

OceanQuest 3-Night Liveaboard

Cairns, QLD

The ultimate reef immersion — 4 days and 3 nights living on the Great Barrier Reef. Up to 15+ dives including night dives, pristine reef sites, and incredible marine encounters. All meals included.

PADI Advanced Course (2 Day 1 Night Liveaboard)

Cairns, QLD

Complete your PADI Advanced Open Water certification on a 2-day, 1-night liveaboard on the Great Barrier Reef. Includes 5 adventure dives covering deep diving, navigation, and more.

PADI Advanced Course (3 Day 2 Night Liveaboard)

Cairns, QLD

PADI Advanced Open Water course on a 3-day, 2-night reef liveaboard. More time underwater with 5 adventure dives across multiple reef sites. Perfect for divers wanting to level up their skills.

PADI Open Water & Advanced (6 Day 3 Night Liveaboard)

Cairns, QLD

Go from beginner to advanced diver in 6 days! Combined PADI Open Water and Advanced course with 3 nights on the reef liveaboard. The most comprehensive dive package on the Great Barrier Reef.

PADI Open Water Course (4 Day 1 Night Liveaboard)

Cairns, QLD

4-day PADI Open Water course with 1 night on the liveaboard. Pool and theory sessions in Cairns, then head to the outer reef for your qualifying dives. Certified to dive worldwide.

PADI Open Water Course (5 Day 2 Night Liveaboard)

Cairns, QLD

5-day PADI Open Water course with 2 nights living on the Great Barrier Reef. Extended reef time means more practice dives and incredible underwater experiences. All meals and equipment included.

PADI Open Water Dive Course (2 Days Pool & Theory + 2 Day Trips)

Cairns, QLD

Traditional 4-day PADI Open Water course: 2 days of pool and theory in Cairns, then 2 Great Barrier Reef day trips for your qualifying dives. Perfect if you prefer returning to shore each night.

PADI Open Water Referral Course (2 Day 1 Night Liveaboard)

Cairns, QLD

Complete your PADI Open Water referral dives on a 2-day, 1-night liveaboard. Already done your theory and pool work? Finish your certification on the Great Barrier Reef.

PADI Open Water Referral Course (2 Day Trips)

Cairns, QLD

Finish your PADI Open Water certification with 2 Great Barrier Reef day trips from Cairns. Ideal for divers who completed theory and pool sessions elsewhere.

PADI Open Water Referral Course (3 Day 2 Night Liveaboard)

Cairns, QLD

Complete your PADI referral dives on a 3-day, 2-night liveaboard. More reef time means more confidence and incredible diving experiences on the outer Great Barrier Reef.

Scuba Refresher

Cairns, QLD

Brush up your scuba skills with a 3-hour refresher course in Cairns. Perfect for certified divers who haven't been in the water for a while. Get comfortable again before your reef trip.

SeaQuest — Day Trip to Outer Barrier Reef

Cairns, QLD

Full-day trip to the outer Great Barrier Reef aboard SeaQuest from Cairns. Snorkel pristine coral gardens, optional diving, and enjoy a buffet lunch on the water. Visit two reef sites.

SPECIAL - SeaQuest Day Trip with Free Intro Dive

Cairns, QLD

Special offer: SeaQuest outer reef day trip with one FREE introductory dive. Experience the Great Barrier Reef up close with snorkelling, diving, and a delicious buffet lunch.

Whale Watching Tour + Fitzroy Island

Cairns, QLD

Witness the spectacular migration of the majestic Humpback Whales off the coast of Cairns and enjoy time on one of Australia’s top ten beaches, Nudey Beach, at the picturesque F...

From$159AUD

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Where to Depart for the Great Barrier Reef

Cairns

The reef capital of Australia and the main launch point for Great Barrier Reef tours — from budget-friendly day trips to premium dive boats and multi-day liveaboards.

51 tours available

Port Douglas

A relaxed coastal town north of Cairns with access to the pristine outer reef and the Low Isles coral cay.

1 tours available

Mission Beach

A quieter gateway to the southern reef and Dunk Island, with fewer crowds than Cairns.

3 tours available

Tully

Best known for white-water rafting, Tully also offers access to the reef and rainforest of the Cassowary Coast.

1 tours available

The Ultimate Guide to the Great Barrier Reef

The Great Barrier Reef is the world's largest living structure — a 2,300km network of coral reefs, cays and islands stretching along the Queensland coast, and one of the seven natural wonders of the world. Snorkelling or diving here is a genuine bucket-list experience and a must-do on any North Queensland trip.

Cairns — the Reef Capital

Cairns is the busiest and most affordable gateway to the reef, with dozens of daily tours heading out to the outer reef pontoons and dive sites. It's the best base for backpackers, with options from budget day trips to premium boats and liveaboards.

Snorkelling vs Diving

You don't need to dive to experience the reef — snorkelling over the coral gardens is spectacular and suits complete beginners. If you want to go deeper, intro dives require no certification and let you experience scuba with an instructor, while certified divers can explore renowned sites like the Ribbon Reefs and Cod Hole.

Day Trips & Liveaboards

Day trips get you to the reef and back within a day and typically include two or three snorkel/dive stops. Liveaboards take you further offshore to pristine outer reefs, with multiple dives a day and the chance to dive at night — the ultimate option for keen divers.

Book with Confidence

At Dundee Adventure we partner with Cairns and Port Douglas's most trusted reef operators. Every booking comes with our best price guarantee, live availability and instant confirmation.

Frequently Asked Questions

How much does a Great Barrier Reef tour cost?▼

Prices vary by tour type — snorkelling day trips from Cairns are the most affordable, while introductory and certified dives and multi-day liveaboards cost more. Every tour above shows its live price in real time, backed by our best price guarantee.

Where do Great Barrier Reef tours depart from?▼

Cairns is the main departure hub for the Great Barrier Reef, with tours to the outer reef, inner reef and coral cays. Port Douglas, Mission Beach and Tully also offer reef access, often to quieter sections of the reef.

Do I need to be able to dive?▼

Not at all. Most reef tours are snorkelling-based and suit complete beginners — you just float on the surface and look down. If you'd like to dive, tours offer introductory dives with no experience or certification required, as well as trips for certified divers.

Is the Great Barrier Reef still worth visiting?▼

Absolutely. Despite the coral bleaching you may have read about, huge areas of the reef remain vibrant and full of life. Tour operators visit the healthiest reef sites, and you can expect to see colourful coral gardens, tropical fish, turtles, reef sharks and more.

When is the best time to visit the Great Barrier Reef?▼

The reef is a year-round destination. The dry season (June to October) offers the best visibility and calmest seas. During stinger season (roughly November to May) operators provide stinger suits for safe snorkelling and diving.

Day trip or liveaboard — which is better?▼

A day trip is perfect for first-timers and those short on time, getting you to the reef and back in a day. Liveaboards (2–3+ days) take you further out to pristine, less-visited reefs and include multiple dives or snorkels each day — ideal for keen divers.