Great Barrier ReefSNORKEL TOUR
Cairns · 46 reef tours compared

Great Barrier Reef Snorkel Tour Cairns

Cairns has more reef trips than any other town — 46 on GetYourGuide. Pick the kind of day first: it decides the boat ride, the time in the water and the price.

What kind of day?
Outer reef12 tours
· from A$230Pontoons4 tours
· from A$284Half-day3 tours
· from A$179Islands10 tours
· from A$108Scenic flight4 tours
· from A$409Overnight4 tours
· from A$375
Updated Oct 2026 · Prices checked Oct 2026
Sailing catamaran over the outer reef off CairnsPremium catamaran · Cairns’ most-reviewed reef trip
Upolu coral cay cruise — CairnsOUR CAIRNS PICK · MOST REEF TIME
OUR CAIRNS PICK · MOST TIME ON THE REEF★ 4.81 (1,638)

Upolu coral cay cruise

Cairns · 8.5 h · Upolu Reef + coral cay · drift snorkellingCairns · 8.5 h · ★ 4.81 (1,638)
6h
6 h at the reefof an 8.5 h day
From · per personA$289≈US$199 · per personCheck dates
46reef tours leave Cairns — the most of any town
6kinds of reef day, from island to liveaboard
60–90minutes by boat to the outer reef
≈45minutes by boat to Green Island
The short answer

From Cairns most people take a full-day outer reef trip: A$230–325 for about 4–6 hours at the reef, 60–90 minutes by boat each way. Short on time? Half-days from A$179. Want a beach and a short ride? Green Island days from A$110.

See the 12 outer reef trips →
Key takeaways
  1. 1

    46 reef tours leave Cairns; most board at the Reef Fleet Terminal or the Marlin Marina next to it.

  2. 2

    Most time on the reef: Upolu coral cay cruise, 6 h of an 8.5 h day.

  3. 3

    Cheapest days out: Fitzroy Island ferry from A$108, Green Island from A$110.

  4. 4

    Can’t swim? Four pontoon days, A$284–311.99.

  5. 5

    Half-days from A$179 are back in 4–5 hours.

By kind of day

Cairns Great Barrier Reef Snorkel Tour Options, by Kind of Day

Six kinds of reef day leave Cairns. Choose one — the list shows only tours with a 4.0+ rating and 20+ reviews, most reviewed first.

Superyacht outer reef day — Cairns

Superyacht outer reef day

8.5 h· Reef Fleet Terminal★ 4.71 (1,727)
5h
5 h at the reefSaxon & Hastings reefs
From · per personA$255≈US$176 · per personCheck dates
Upolu coral cay cruise — Cairns

Upolu coral cay cruise

8.5 h· Reef Fleet Terminal★ 4.81 (1,638)
6h
6 h at the reefUpolu Reef + coral cay
From · per personA$289≈US$199 · per personCheck dates
Premium snorkel & dive day — Cairns

Premium snorkel & dive day

8 h· Marlin Marina★ 4.64 (1,609)
5h
Up to 5 h at the reef2 sites · guided snorkel
From · per personA$255≈US$176 · per personCheck dates
Reef & Indigenous culture day — Cairns

Reef & Indigenous culture day

9 h· Marlin Marina★ 4.71 (899)
5h
5 h in the water2 sites · Indigenous rangers
From · per personA$230≈US$158 · per personCheck dates
All-inclusive reef + free dive — Cairns

All-inclusive reef + free dive

1 day· Marlin Marina★ 4.58 (520)
not stated
Reef time not stated2 sites · intro dive included
From · per personA$290≈US$200 · per personCheck dates
Reef & Green Island sail — Cairns

Reef & Green Island sail

9 h· Reef Fleet Terminal★ 4.78 (420)
5h
5 h reef + islandsailing boat, up to 25 guests
From · per personA$289≈US$199 · per personCheck dates
Small-group reef day — Cairns

Small-group reef day

7 h· Marlin Marina★ 4.81 (388)
not stated
Reef time not stated2 sites · fast boat · small group
From · per personA$233≈US$161 · per personCheck dates
5-hour outer reef pontoon — Cairns

5-hour outer reef pontoon

8 h· Marlin Marina★ 4.74 (193)
5h
5 h at the reefsmall group
From · per personA$325≈US$224 · per personCheck dates
Value snorkel & dive day — Cairns

Value snorkel & dive day

8 h· Marlin Marina★ 4.66 (121)
4h
4 h at the reef2 sites
From · per personA$255≈US$176 · per personCheck dates
Upolu small-group snorkel — Cairns

Upolu small-group snorkel

9 h· Reef Fleet Terminal★ 4.72 (64)
4h
4 h at Upolu ReefUpolu Reef · up to 20 guests
From · per personA$242≈US$167 · per personCheck dates
Source: GetYourGuide tour pages · checked Oct 2026 · time on the reef as each tour page states it
Shortlist · 46 tours

Find Your Cairns Great Barrier Reef Snorkel Tour in Two Taps

Tell us what matters most — we show the top 5, not all 46.

1What matters most?
2Kind of day
1Most time on the reefUpolu coral cay cruiseOuter reef · 8.5 h · Reef Fleet Terminal6h6 h at the reef★ 4.81 (1,638)A$289Check dates
2Most time on the reefSuperyacht outer reef dayOuter reef · 8.5 h · Reef Fleet Terminal5h5 h at the reef★ 4.71 (1,727)A$255Check dates
3Most time on the reefPremium snorkel & dive dayOuter reef · 8 h · Marlin Marina5hUp to 5 h at the reef★ 4.64 (1,609)A$255Check dates
4Most time on the reefSuperyacht reef + helicopterScenic flight · 8.5 h · Reef Fleet Terminal5h5 h at the reef★ 4.62 (1,182)A$420Check dates
5Most time on the reefReef & Indigenous culture dayOuter reef · 9 h · Marlin Marina5h5 h in the water★ 4.71 (899)A$230Check dates
Source: GetYourGuide · prices checked Oct 2026 · A$ = Australian dollars, per person · tours with under 20 reviews appear only in the full list
Green Island vs outer reef

Green Island or the Outer Reef: Which Great Barrier Reef Snorkel Tour from Cairns?

Green Island on the horizon with snorkellersGreen Island7 day trips · from A$110
vs
Table coral on the outer reef with snorkellers aboveOuter reef12 day trips + 4 pontoons · from A$230
betterAbout 45 min
Boat ride
60–90 min each way
Snorkel off the beach — up to 7 h on the island
Time in the water
4–6 h at the reef on most full daysbetter
Fringing reef off the beach; glass-bottom boat option
What you see
Bigger coral and open-water fish; reviewers mention turtles and giant clamsbetter
betterBeach, walks, glass-bottom boat
Not snorkelling?
Pontoon days with a glass-bottom boat or semi-sub
betterA$110
From
A$230
7 Green Island day trips
Choice from Cairns
12 day trips + 4 pontoonsbetter

Pick Green Island if you have kids, a tight budget or don’t love long boat rides.

Island days
✓ = better on this point

Pick the outer reef if you have one day and want the reef at its best.

Outer reef
Short on time

Half Day Great Barrier Reef Snorkel Tour from Cairns

Three outer reef half-days leave Cairns in the morning and are back in 4–5 hours, with 1.5–2 hours in the water.

Guests looking through a glass-bottom boat floorOr a Green Island half-day — morning or afternoon, 4 h, from A$110. See island half-days →
1 / 3swipe for more
Half-day reef snorkel — Cairns

Half-day reef snorkel

4 h trip · 2 reefs · max 27 guests · ★ 4.71 (2,009)
1.5h
1.5h1.5 h guided snorkel2 reefs · max 27 guests
From · per personA$179≈US$124 · per personRead review →Check dates
All-inclusive half-day — Cairns

All-inclusive half-day

5 h trip · lunch and gear included · max 40 · ★ 4.86 (664)
2h+
2h+2 h+ in the waterlunch and gear included · max 40
From · per personA$188≈US$130 · per personCheck dates
Premium half-day outer reef — Cairns

Premium half-day outer reef

5 h trip · outer reef · ★ 4.73 (74)
2h
2hUp to 2 h in the waterouter reef
From · per personA$195≈US$135 · per personCheck dates
Guests looking through a glass-bottom boat floorOr a Green Island half-day — morning or afternoon, 4 h, from A$110. See island half-days →
Before you book

What to Know Before a Great Barrier Reef Snorkel Tour from Cairns

Stinger seasonNov – May

Trips keep running; full-body lycra suits are usually provided on board.

Reef taxA$8.50

Environmental Management Charge for a full day. Most tickets include it — check “Includes”.

Wet seasonNov – Apr

Heaviest rain Jan–Mar. Rough seas can cancel or shorten a day.

Intro divesAge 12+

Usually from 12. Most snorkel tours take children with flotation.

Where you board: most tours leave from the Reef Fleet Terminal (1 Spence St, 17 tours) or the Marlin Marina right next to it (18 tours). Your ticket names the exact finger; a few tours pick you up from your hotel.

Source: GBRMPA, reef operators · checked Oct 2026Cairns prices in detail →
Reviews

What Travellers Say About Cairns Great Barrier Reef Snorkel Tours

4.60★★★★★
average of 37 Cairns tours
23,277 GetYourGuide reviews37 Cairns tours · 23,277 reviews
Heads-up from reviewers

“It is about 2 hours to get to the reefs and back.” — Jenny, Premium catamaran

“Collecting tickets needs to be easier. I lined up for 40 minutes.” — David John, Green Island cruise

“Natural time pressure due to the route to be covered.” — Klaus, Silverswift

1 / 4swipe for more

“The guides took pictures of both everything we saw and of us.”

AAleksander · GetYourGuide review
Half-day reef snorkel

“Stopped so we could check out a giant turtle floating in the middle of the ocean. Such a fun day!”

RRyan · GetYourGuide review
Half-day reef snorkel

“We did the glass bottom boat and brought our own snorkels — great fun to do both!”

JJen · GetYourGuide review
Green Island cruise

“A fantastic opportunity to dive if you’ve never tried before… you really get to try the best of both worlds.”

EEloise · GetYourGuide review
Silverswift 3-site cruise
Heads-up from reviewers

“It is about 2 hours to get to the reefs and back.” — Jenny, Premium catamaran

“Collecting tickets needs to be easier. I lined up for 40 minutes.” — David John, Green Island cruise

“Natural time pressure due to the route to be covered.” — Klaus, Silverswift

Quotes from GetYourGuide reviews · Oct 2026

Not set on Cairns?

Great Barrier Reef Snorkel Tour Towns Near Cairns

Port DouglasAbout an hour north of CairnsPort Douglas11 tours · from A$190
Airlie BeachWhitsundaysAirlie Beach12 tours · from A$239
Cape TribulationDaintree coastCape Tribulation1 tour · from A$217
FAQ

Cairns Great Barrier Reef Snorkel Tour FAQ

How long is the boat ride from Cairns to the outer reef?

About 60–90 minutes each way, depending on the reef. Green Island is closer — about 45 minutes.

Which Cairns tour gives the most time on the reef?

The Upolu coral cay cruise lists 6 hours at the reef. Several full days list 5 hours — the Superyacht day, Silverswift, the 5-hour pontoon and the Reef & Indigenous culture day.

Is Green Island or the outer reef better for snorkelling?

The outer reef has bigger coral and open-water fish; Green Island lets you snorkel off the beach, costs less and the ride is shorter. With kids or on a budget, Green Island; for the reef at its best, the outer reef.

Can non-swimmers do a reef tour from Cairns?

Yes. Four pontoon days (A$284–311.99) have steps into calm water, and a glass-bottom boat or semi-sub shows the reef without getting wet.

Where do Cairns reef tours leave from?

Most board at the Reef Fleet Terminal (1 Spence St) or the Marlin Marina next to it. Your ticket names the exact finger or berth; a few tours pick up from hotels.

Is there a half-day reef trip from Cairns?

Yes — three outer reef half-days from A$179 with 1.5–2 hours in the water, plus Green Island half-days from A$110.

What is the cheapest reef day from Cairns?

The Fitzroy Island ferry from A$108 and Green Island from A$110. Outer reef days start at A$230.

Is the reef tax included?

The Environmental Management Charge is A$8.50 for a full day. Most operators include it in the ticket; the tour’s “Includes” list says which.

Do I need a stinger suit?

From about November to May, yes — full-body lycra suits are usually provided on board.

Can I see the reef from the air?

Yes — four well-reviewed Cairns tours add a scenic helicopter flight, from A$409.

Check dates and live prices ↓
Ready?

Check Dates for a Great Barrier Reef Snorkel Tour from Cairns

Cairns pick · Upolu cay · ≈US$199from A$289
Check dates