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Green Island offers the unique opportunity for a combined reef and rainforest experience, just 45 minutes from Cairns by fast catamaran. Home to over 120 native plant species and colourful bird life, surrounded by abundant marine life. Full and half day options available. Your day can be as active or as relaxing as you choose.
As a Great Adventures guest, you’ll also be able to enjoy many exclusive inclusions such as the use of the island swimming pool and a self guided eco island walk to discover some of the island’s unique rainforest flora. The island’s well appointed day visitor facilities include a pool bar, plus restaurant and retail outlets. A delicious range of lunch and snacks can be purchased from the island’s food and refreshment outlets.
Wheelchair accessible
Infants and small children can ride in a pram or stroller
Service animals allowed
Specialized infant seats are available
Suitable for all physical fitness levels
Snorkelling can be a strenuous activity. We recommend informing crew of any medical conditions.
For a full refund, cancel at least 24 hours before the scheduled departure time.
Self guided island walk
Glass bottom boat tour
Use of Snorkelling equipment
Use of island swimming pool, exclusive to Great Adventures
Free beach bag
Return fast catamaran transfers from Cairns
Use of island day visitor facilities
Morning tea/coffee served onboard until departure from Cairns
Hotel pick up and drop off
10:30AM-4:30PM: Return cruise, snorkeling gear & glass bottom boat. Departs Cairns at 10:30am, returns 4:30pm (arrival to Cairns 5:15pm).
10:30AM-2:30PM: Return cruise, snorkeling gear & glass bottom boat. Departs Cairns at 10:30am, returns 2:30pm (arrival to Cairns 3:15pm).
8:30AM-4:30PM: Return cruise, snorkeling gear & glass bottom boat. Departs Cairns at 8:30am, returns 4:30pm (arrival to Cairns 5:15pm).
8:30AM-2:30PM: Return cruise, snorkeling gear & glass bottom boat. Departs Cairns at 8:30am, returns 2:30pm (arrival to Cairns 3:15pm).
350 reviews
Total reviews and rating from Viator & Tripadvisor
martha h,
May 7, 2025
- Viator
You’re pretty much on your own. You’re dropped off on the island which says it has a resort but actually there is just a small swimming pool, maybe 2 food shacks and a small dive shop where you pick up your snorkeling gear. It was extremely windy so the water was not clear and everyone we talked to that went snorkeling saw nothing so we decided to not do that. Of course the tour company had no control over the weather… we knew that. Considering the weather though, was there some less windy place we could have been taken to be able to see the reef?? Or maybe a longer glass bottom boat tour?? We just didn’t feel that we really got to see the reef which was the whole reason we booked the tour
Carlos B,
May 6, 2025
- Viator
It was not a bad activity, but I wish I would’ve used the one more day I had on something else. I would recommend going on a boat and snorkeling instead of being on this island. The short boat ride to a reef to go snorkeling was worth it, but it was extra. I went to go see the crocodiles to burn up time that was extra….It is a lot of time to spend there with limited activities to do. However, the staff were extremely friendly and outgoing.
Dorene K,
Apr 17, 2025
- Viator
All staff on and off boat are very helpful and friendly. Great island to spent the day. Great weather on the island even though the boat ride over was very rough and windy, with a period of heavy rain. I enjoyed the Helicopter ride, excellent pilot. While snorkeling I saw many species of fish and some brain coral.
Catherine C,
Mar 15, 2025
- Viator
It was a lovely ferry ride to the island and a harrowing ride back in a storm, unexpected and fun. It was not exactly what I had expected. The snorkeling was on your own on a beach a little too far away from where the ferry landed for the rest of my family so we passed on that. I thought the snorkeling was off of the glass bottom boat. I should’ve paid more attention to the description. Had I known I would have booked a different tour, but I imagine the walk around the island is absolutely beautiful.
Nicola P,
Feb 18, 2025
- Viator
A great day out. Actually swam with turtles! Took our own Lycra swim suits so less sun cream going into the sea and borrowed snorkelling gear - they even had prescription masks. I was really lucky as managed to get some with my very strong prescription but worth adding as a request.
4.71
4.82
4.28
4.38
4.04
4.65
4.68
4.61
4.94
4.87
4.81
4.54
Operated by The Quicksilver Group