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Swap your cruise liner for a catamaran on this 6-hour shore excursion from Cairns and sail out to explore the UNESCO-listed Great Barrier Reef. Cruise to the Green Island, where you can snorkel amid schools of tropical fish, hike through the rainforest or admire the colorful corals from a glass-bottomed boat. Alternatively, make the most of optional activities like scuba diving or a Seawalker Helmet dive. This tour is also covered by Viator’s worry-free policy, ensuring on-time return to your cruise ship.


  • Green Island shore excursion from Cairns
  • Cruise between Cairns and Green Island by catarman
  • View the coral and the abundant marine-life of the Great Barrier Reef from a glass-bottom boat
  • Snorkel the clear waters of Green Island on the Great Barrier Reef
  • Covered by Viator’s worry-free policy: guaranteed on-time return to your ship

Why Our Insiders Chose This Tour

This is an excellent choice to see and experience the Great Barrier Reef. Whether you want to get wet or stay dry there are activities available to make the most of your time on Green Island.

What You Can Expect

Cairns Shore Excursion: Green Island Day Trip

Green Island Reef Cruise (ex Cairns)

Your Great Barrier Reef shore excursion departs just a five-minute walk along the waterfront from the Cairns cruise liner terminal.

Board your air-conditioned catamaran at the reef fleet terminal, and set off over the crystal-blue water to Green Island on the Great Barrier Reef.

During your hour-long cruise to Green Island, watch a snorkeling demonstration and an informative presentation on how to get the most of your time on this beautiful coral cay, just 15 nautical miles (27 kilometers) from Cairns.

Landing at Green Island in the Great Barrier Reef Marine Park, see how the island is topped with emerald rainforest and surrounded by white sandy beaches and magnificent coral reefs. The marine life includes endless varieties of colorful fish, turtles, giant clams, shells, starfish and sea anemones.

Spend a relaxing four hours on Green Island, and view the sea creatures on a glass-bottom boat tour or grab some snorkeling gear and dive into the water and see the marine life up close.

A range of optional activities can also be organized on the day, including an introductory scuba diving, Seawalker Helmet Dive and semi-submersible coral viewing tours (additional cost, paid locally).

While you’re on the island, take a walk through the national park, following easy, short walking tracks. Or you might like to browse the shops and use the facilities at the Green Island Resort. The resort has showers, change rooms and restrooms, and canoes, surf skis, sailboards, shade umbrellas and beach lounge chairs are available for hire (at your own expense).

Food and drinks can be purchased on board the catamaran and on Green Island (own expense).

After spending a relaxing four hours on Green Island, enjoy the hour-long return cruise to Cairns, arriving at the terminal at 5pm.

Worry-free Shore Excursion:
We will ensure your excursion ends with ample time for you to return to the Cairns Cruise Liner Terminal for your ship’s departure. In the extremely unlikely event your ship has departed, we will arrange for transportation to the next port-of-call. If your ship is delayed and you are unable to attend this activity, your money will be refunded. See our terms and conditions for full details.

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Customer Reviews


4 star rating: Recommended December 2013

Saw as expected

Donna J

3 star rating: Worth doing March 2016

The 1/2 day trip was good however, it was not long enough. Since we were only going to be in Cairns for a short period of time cruise ship this was the only excursion we could book. Green Island was great even though it rained and the glass bottom boat was good. I wish we could have snorkeled a little further out than was possible. I think if I ever go back, I would prefer to snorkel from a boat further on the great barrier reef. We could not experience the full beauty of the reef from the beach.

Linda B

3 star rating: Worth doing May 2014

This excursion was a good one but we were not able to enjoy the snorkeling because of the presence of stinging jellyfish that had sent many people to the hospital. We were told that the presence of the jelly fish was seasonal and we were forced to wear "sting suits" to enter the water. It is my opinion that we should have been told about the jellyfish season and. Had the option to cancel the tour. The day we were there a person was life flighted to the hospital because of jellyfish stings. The locals told us the presence of these jelly fish would soon come to an end. We would not have gone had we known of the risk. The setting, Green Island was a very nice place. The glass bottom boat trip lasted less than 15 minutes though. It was not the best experience.

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