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Great Barrier Reef

Big-ticket dive of the planet

Best time · Jun – Oct Trips from · $219 Trips on offer · 13

Great Barrier Reef: The Big One

It's the only living structure visible from space, and it's better from inside: turtles over coral gardens, giant potato cod that come to say hello, and outer-reef water so clear it feels like flying. Day boats, pontoons with waterslides, liveaboards with night dives, the reef has a format for every courage level.

Our advice: get past the inner reef. The outer sites, Agincourt's ribbons, Moore, the Cod Hole, are where the colour saturates and the fish stop counting you as a crowd.

Most loved

Most popular in Great Barrier Reef

Full Day Outer Great Barrier Reef Tour

Great Barrier Reef

9 Hours

Full Day Outer Great Barrier Reef Tour

4.9 (1,233 · Google)

  • All ages welcome
  • Party

A high-performance 25-metre sailing catamaran runs daily from Cairns to two outer reef sites: snorkel with turtles over coral gardens, eat a chef-prepared tropical buffet, and ride home on the netted bow trampoline.

  • Sail a 25m performance catamaran
  • Two outer reef locations
  • Free guided snorkel tour
  • Chef-prepared tropical buffet
From

$279 AUD

Details
Cape Tribulation Reef Snorkel, Morning Tour

Great Barrier Reef

4 Hours

Cape Tribulation Reef Snorkel, Morning Tour

4.9 (868 · TripAdvisor)

  • All ages welcome
  • 4WD
  • Party

Ocean Safari's fast morning run from Cape Tribulation to Mackay Reef: two snorkel sites, two hours in the water, personalised instruction, and turtles that call this stretch of the reef home. Half a day, fully spent.

  • Two sites at Mackay Reef
  • Two hours in the water
  • Turtles live on this reef
  • Personalised snorkel instruction
From

$219 AUD

Details
Silversonic Barrier Reef Cruise (Snorkel)

Great Barrier Reef

8 Hours

Silversonic Barrier Reef Cruise (Snorkel)

4.8 (370 · Google)

  • All ages welcome
  • Sail
  • Party

Silversonic runs daily from Port Douglas to three different Agincourt ribbon reef sites, around five hours of unlimited snorkelling with all gear, a guided snorkel tour, buffet lunch and safety officers watching.

  • Three Agincourt ribbon reef sites
  • About five hours at the reef
  • Unlimited snorkelling
  • Guided snorkel tour included
From

$329 AUD

Details
Choose your Great Barrier Reef trip

Great Barrier Reef tours & activities from $219

13 ways to do Great Barrier Reef, compare length, route and price, then pick your trip.

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Certified Dive Adventure 2D/1N (4 Day Dives, 1 Night Dives)

Great Barrier Reef

2 Days

Certified Dive Adventure 2D/1N (4 Day Dives, 1 Night Dives)

4.7 (465 · Google)

  • All ages welcome
  • Multi-day

Two days and a night on Reef Encounter, Cairns' floating reef hotel: up to six dives across the outer Great Barrier Reef including a night dive, with all meals, gear and reef levies included. Certified divers only.

  • Up to six dives in two days
  • Night dive included
  • Sleep on the outer reef
  • All meals cooked aboard
From

$799 AUD

$400/day

Details
Certified Dive Adventure 3D/2N (7 Day Dives, 2 Night Dives)

Great Barrier Reef

3 Days

Certified Dive Adventure 3D/2N (7 Day Dives, 2 Night Dives)

4.7 (465 · Google)

  • All ages welcome
  • Multi-day

The serious log-book filler: three days and two nights aboard Reef Encounter with up to nine dives across the outer Great Barrier Reef, two night dives included, plus all meals, gear and reef levies.

  • Up to nine dives, three days
  • Two night dives included
  • Live aboard the outer reef
  • Variety of dive sites
From

$1139 AUD

$380/day

Details
Cod Hole & Ribbon Reef 3 Night Liveaboard

Great Barrier Reef

3 Days

Cod Hole & Ribbon Reef 3 Night Liveaboard

4.8 (125 · Google)

  • Ages 16+
  • Multi-day

Three nights living on the Ribbon Reefs with up to 11 dives: dense healthy coral, giant clams, schooling pelagics, and the Cod Hole, home to a resident family of giant potato cod who come to meet the divers.

  • Up to 11 dives, three nights
  • The famous Cod Hole
  • Giant potato cod encounters
  • Remote Ribbon Reef sites
From

$2509 AUD

$836/day

Details
OceanQuest 2 Night Liveaboard

Great Barrier Reef

3 Days

OceanQuest 2 Night Liveaboard

4.5 (2,845 · TripAdvisor)

  • All ages welcome
  • Multi-day

Three days living on the outer Great Barrier Reef: dive Norman, Saxon and Hastings reefs by day, watch Sharks in the Dark by night, and sleep in an air-conditioned en-suite cabin in between.

  • Up to ten dives in three days
  • Norman, Saxon and Hastings reefs
  • Sharks in the Dark night viewing
  • En-suite air-conditioned cabins
From

$959 AUD

$320/day

Details
PADI Open Water Course, 5 Days with Liveaboard

Great Barrier Reef

5 Days

PADI Open Water Course, 5 Days with Liveaboard

4.8 (283 · Google)

  • Multi-day

Pro Dive Cairns' five-day PADI Open Water course: two days of classroom and pool, then a 3-day/2-night liveaboard on the reef with nine dives, including a night dive, and your certification at the end.

  • Full PADI Open Water certification
  • 3-day liveaboard on the reef
  • Nine dives including a night dive
  • All gear, even dive computer
From

$1319 AUD

$264/day

Details
Calypso Outer Reef Cruise

Great Barrier Reef

8 Hours

Calypso Outer Reef Cruise

4.7 (832 · Google)

  • All ages welcome
  • Sail

A full day on the outer Great Barrier Reef from Port Douglas: up to three sites across Agincourt and Opal Reefs on a luxury catamaran, with PADI dive options, buffet lunch and coral gardens busy with turtles and rays.

  • Up to three outer reef sites
  • Agincourt and Opal Reefs
  • Intro and certified dive options
  • Sharks, rays and turtles about
From

$329 AUD

Details
Cape Tribulation Reef Snorkel, Morning Tour

Great Barrier Reef

4 Hours

Cape Tribulation Reef Snorkel, Morning Tour

4.9 (868 · TripAdvisor)

  • All ages welcome
  • 4WD
  • Party

Ocean Safari's fast morning run from Cape Tribulation to Mackay Reef: two snorkel sites, two hours in the water, personalised instruction, and turtles that call this stretch of the reef home. Half a day, fully spent.

  • Two sites at Mackay Reef
  • Two hours in the water
  • Turtles live on this reef
  • Personalised snorkel instruction
From

$219 AUD

Details
Full Day Outer Great Barrier Reef Tour

Great Barrier Reef

9 Hours

Full Day Outer Great Barrier Reef Tour

4.9 (1,233 · Google)

  • All ages welcome
  • Party

A high-performance 25-metre sailing catamaran runs daily from Cairns to two outer reef sites: snorkel with turtles over coral gardens, eat a chef-prepared tropical buffet, and ride home on the netted bow trampoline.

  • Sail a 25m performance catamaran
  • Two outer reef locations
  • Free guided snorkel tour
  • Chef-prepared tropical buffet
From

$279 AUD

Details
Moore Reef Pontoon Day Tour

Great Barrier Reef

7 Hours, 15 Minutes

Moore Reef Pontoon Day Tour

4.3 (1,038 · TripAdvisor)

  • Sail

Sunlover's pontoon at Moore Reef makes the Great Barrier Reef easy: snorkelling with instruction, glass bottom boat, semi-sub, waterslide, tropical buffet lunch and a marine biologist talk, all off one platform.

  • Stable pontoon at Moore Reef
  • Snorkel gear and instruction included
  • Glass bottom boat and semi-sub
  • Waterslide off the pontoon
From

$309 AUD

Details
Quicksilver Agincourt Reef Pontoon Tour (Snorkel)

Great Barrier Reef

7 Hours

Quicksilver Agincourt Reef Pontoon Tour (Snorkel)

4.6 (1,337 · Google)

  • All ages welcome
  • Sail

Quicksilver's Wavepiercer runs from Port Douglas to a pontoon at Agincourt Reef on the outer Great Barrier Reef: snorkel with lifeguards watching, or stay dry in the semi-sub and underwater observatory. Lunch included.

  • Pontoon on the outer reef
  • Snorkel with lifeguard supervision
  • Semi-sub and underwater observatory
  • Marine biologist reef talk
From

$339 AUD

Details
Silversonic Barrier Reef Cruise (Snorkel)

Great Barrier Reef

8 Hours

Silversonic Barrier Reef Cruise (Snorkel)

4.8 (370 · Google)

  • All ages welcome
  • Sail
  • Party

Silversonic runs daily from Port Douglas to three different Agincourt ribbon reef sites, around five hours of unlimited snorkelling with all gear, a guided snorkel tour, buffet lunch and safety officers watching.

  • Three Agincourt ribbon reef sites
  • About five hours at the reef
  • Unlimited snorkelling
  • Guided snorkel tour included
From

$329 AUD

Details
Silverswift Barrier Reef Cruise (Snorkelling)

Great Barrier Reef

8 Hours

Silverswift Barrier Reef Cruise (Snorkelling)

4.5 (328 · Google)

  • All ages welcome
  • Sail
  • Party

Silverswift departs Cairns daily for a water-first reef day: unlimited snorkelling with a guided tour, up to three dives for the certified, lifeguards on watch, hot showers after, and a full day of proper feeding.

  • Unlimited snorkelling all day
  • Up to three guided dives
  • Free prescription masks
  • Lifeguards on supervision
From

$309 AUD

Details
The lowdown

Get to know Great Barrier Reef

The Outer Reef: Where the Water Stops Making Sense

Ninety minutes out of Cairns or Airlie Beach, the boat cuts its engine and you're floating over the biggest living structure on Earth, 2,300 km of coral running the length of tropical Queensland. Roll off the back deck and it hits you: visibility so deep you lose track of which way is down, parrotfish crunching coral loud enough to hear through your snorkel, a green sea turtle cruising past like you're not even there. First-timers can do an intro dive with an instructor holding your hand the whole way, no certification, no experience, just nerve. Our Great Barrier Reef Outer Dive Day gets you to the good stuff, not the tourist shallows.

Heart Reef: The View That Broke Instagram

Some reef you swim. Some reef you fly. Heart Reef, a naturally heart-shaped coral formation tucked into Hardy Reef in the Whitsundays, is strictly a from-the-air job, and the scenic flights out of Airlie Beach deliver. You'll bank over water that shifts from navy to turquoise to that unreal reef-flat green, spot the swirl of Hill Inlet's sands below, then circle the heart itself while everyone on board loses their minds. It's a splurge on a backpacker budget, sure. But it's the one photo from your whole Australia trip your mum will actually frame. Book a morning flight, calmer air, better light.

Beyond the Boat: Islands, Rainforest and Whitehaven

The reef isn't a single spot, it's a whole coastline of options. From Cairns, Fitzroy Island and Green Island are 45-minute ferry rides for a cheaper snorkel day with beach naps built in. Go north and the Daintree Rainforest literally meets the reef at Cape Tribulation, the only place on Earth two World Heritage sites touch. Down in the Whitsundays, day boats hit Whitehaven Beach, seven kilometres of squeaky silica sand so white it doesn't tan, it reflects. Smart move: base yourself in Cairns or Airlie for three or four nights and mix one big outer reef day with cheaper island days around it.

Cairns and Airlie: Where the Reef Crowd Lands

Every reef trip starts and ends in one of two towns, and both are built for backpackers. Cairns runs on a rhythm: dive boat by day, free saltwater lagoon on the Esplanade by arvo, night markets for cheap feeds, then the big party hostels and the main strip until late. Airlie Beach is the same energy, condensed, one walkable main street, a lagoon, and half the town swapping sailing stories over jugs. This is where solo travellers stop being solo. You'll meet your boat crew at breakfast, your dive buddy on the transfer, and your next travel mates before the first schooner's gone.

Good questions, straight answers

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

June to October is the sweet spot, it's the dry season, so you get the clearest water (visibility often 15–20 metres), mild temps and barely any rain. November to May is stinger season, when you'll wear a lycra stinger suit in the water; the reef's still open and trips still run, just wetter and more humid on land.

How many days do you need for the Great Barrier Reef?

Three to four nights in Cairns or Airlie Beach covers it properly: one full outer reef day (dive or snorkel), one cheaper island or beach day, and a buffer day in case weather shifts your boat trip. Keen divers should stretch to five days and add a 2–3 day liveaboard, you'll wake up on the reef and dive before breakfast.

Is the Great Barrier Reef expensive for backpackers?

The outer reef day trip is a spend, but it's the spend the whole East Coast trip is built around. Keep the rest cheap: dorm beds in Cairns and Airlie are among the best value in Australia, both towns have free public lagoons, and ferry days to Fitzroy or Green Island cost far less than outer reef boats. Book reef days ahead in June–October.

What's the best Great Barrier Reef experience for beginners?

An outer reef snorkel-and-dive day. You don't need any certification, intro dives put an instructor beside you the entire time, and if diving's not your thing, the snorkelling over the outer reef is genuinely as good. Our Great Barrier Reef Outer Dive Day handles the lot: boat, gear, guides and the 90-minute run to the proper coral.

How do you get to the Great Barrier Reef?

Fly or bus into Cairns (the main reef hub, with direct flights from every Australian capital) or Airlie Beach for the Whitsundays end, nearest airport is Whitsunday Coast at Proserpine, or hop off the Greyhound on the East Coast run. From either town, reef boats leave the marina most mornings and reach the outer reef in about 90 minutes.

Is the Great Barrier Reef good for solo travellers?

One of the best solo stops in Australia. Reef boats are shared-experience machines, you'll be assigned a snorkel group or dive buddy, swap footage on the ride back, and probably end up at the same hostel bar that night. Cairns and Airlie Beach are compact backpacker towns where travelling alone lasts about one breakfast.

What wildlife will I see on the Great Barrier Reef?

Green sea turtles are the reliable stars, you've got a strong chance on any outer reef day. Add reef sharks (harmless, small, everywhere), giant clams, clownfish and the big friendly Maori wrasse that hang around dive sites. Seasonally: humpback whales migrate through June to September, dwarf minke whales appear off the northern reefs around June–July, and coral spawns after the November full moon.

What are the best day trips from Cairns and Airlie Beach?

From Cairns: the outer reef dive day first, then Fitzroy or Green Island (45-minute ferries), the Daintree Rainforest and Cape Tribulation, or the Atherton Tablelands waterfalls. From Airlie Beach: a Whitsundays sailing day taking in Whitehaven Beach and Hill Inlet, or the Heart Reef scenic flight if your budget's feeling brave. Mix one big day with cheap ones.

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