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Explore the Great Barrier Reef and a lush island rain forest on this full-day catamaran tour to Green Island from Cairns. Create your own perfect day on this protected coral cay with a variety of activities including snorkeling, scuba diving, Seawalking, nature walks and tours on a glass-bottom boat or semi-submarine. Upgrade to include a delicious buffet lunch on board the catamaran and hotel pickup and drop-off from Cairns. It’s a fantastic way to discover the underwater wonders of the world’s most famous reef! 


  • Explore the Great Barrier Reef and the rainforest on your Green Island day-trip
  • Variety of activities including glass-bottom boat tours, semi-submarine coral viewing tours, scuba diving and snorkeling
  • Buffet lunch option available
  • Choice of 9:00am and 11:00am departures
  • Optional hotel pickup and drop off available from Cairns hotels

Recent Photos of This Tour

What You Can Expect

Green Island Day Trip from Cairns

Green Island Reef Cruise (ex Cairns)

One of Australia’s protected Marine National Parks, the low-lying coral cay of Green Island is situated 15 miles (27 kilometers) off the coast of Cairns and provides an excellent base for exploring the Great Barrier Reef. Choose from two different morning departure times and hotel pickup options to suit your sightseeing schedule, and climb aboard a luxurious air-conditioned catamaran for the cruise to the island.
Once you step ashore, choose from a wide variety of activities to design your perfect day (additional expenses may apply). Snorkel straight from the beach to swim among tropical fish and coral gardens, embark on a scuba diving tour or try the unique Seawalking experience, where a helmet allows you to breathe underwater while surrounded by swimming marine life. If you prefer not to get wet, you can still get a great view of the giant clams, sea turtles and tropical fish below the surface with a tour on a glass-bottom boat or semi-submarine.
If you choose the lunch option at booking, enjoy a delicious buffet meal aboard the catamaran midday. (See Itinerary below for a sample lunch menu.) Grab a drink at any time from the fully licensed onboard bar (own expense). 
You’ll be welcomed at Green Island Resort to use the facilities including showers, restrooms and changing rooms to stay comfortable throughout the day. You can also hire beach chairs, umbrellas, canoes, sailboards and surf skis from the resort and take advantage of several walking tracks to explore the island’s tropical rain forest landscape. 
After 4 or 5 hours soaking up the island paradise, relax on the return catamaran cruise to Cairns.  

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Customer Reviews


5 star rating: Highly Recommended February 2017

Wonderful tour.


5 star rating: Highly Recommended February 2017

Wonderful tour.

Thomas K

5 star rating: Highly Recommended January 2017

Fantastic experience. The island was great - staff were very nice.

Alexandria T

5 star rating: Highly Recommended January 2017

The crew was very friendly and good spirited. Boarding and deboarding were easy and quick. The catamaran featured indoor and outdoor seating. Indoor seating had tables, outdoor seating was benches. The boat had cold drinking water free of charge so we could fill up our bottles they also provided cups. Quite sizeable lockers were available on board for only AUS 5. We snorkeled and went on the glass bottom boat, and both were absolutely incredible choices. It was only AUS 16 per person to add on the glass bottom boat. We also rented the Lycra suits just AUS 8. We saw 3 jellyfish two were not box jellies, the other one I'm not sure aboutwithin the first 5 minutes in the water - but there weren't any a little further out where you would actually see the reef and snorkel. I would recommend getting the suit, as the peace of mind it provided made our trip much more enjoyable. It also protected our skin from UV rays, so we didn't put on any sunscreen except our faces :.

I would recommend you go left, when you get off the dock. I read some other reviews saying it's better to go right, but we didn't see much of anything when we went right. When we went left we saw ENORMOUS and beautiful fish. When we were walking back to the dock from the beach, we also saw a guitarfish in the water! It was incredible! Though I do wish I was in the water to see it :


5 star rating: Highly Recommended December 2016

Ensure your hat is secured. We've seen 3 holiday makers had their hat blown off and flew into the sea.
Wear sunblock and of course bring your swim wear.


5 star rating: Highly Recommended December 2016

Have done many trips with Viator in Europe and UK in the last few years. This was excellent just like the others.


5 star rating: Highly Recommended October 2016

Beautiful trip, even in the rain.

Ivy F

5 star rating: Highly Recommended September 2016

Semi-Submarine and Glass Bottom let you see mostly the same thing. No need to do both.

Sandra K

5 star rating: Highly Recommended August 2016

We really enjoyed this day trip. The ferry ride to and from the island was quite smooth. We very much enjoyed the glass bottom boat trip even though the sea was not as clear as it could have been.

The ride back on the ferry had a memorable moment when a whale was spotted.

Martin S

5 star rating: Highly Recommended August 2016

Nothing to complain.Everything is perfect.Worth every penny spent

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