Green Island & Outer Great Barrier Reef Tour from Cairns
Departs daily 8.30am – 5.30pm
Enjoy the best of both worlds with this complete Reef and Island tour. Fast 45-minute catamaran ride to Green Island to enjoy 2 hours on this iconic coral cay. Continue your day adventure to Great Adventures spacious activity platform. Spend 3 hours discovering the wonders of the reef, with plenty of time to snorkel, relax, and take in one of the world’s most extraordinary natural treasures.
The complete reef and island experience awaits with this exciting tour. Take a fast 45-minute catamaran ride to beautiful Green Island and enjoy two hours on this unique reef and rainforest coral cay. Then, you’ll depart Green Island to continue your day of adventure and discovery with 3 hours on board Great Adventures’ spacious activity platform moored on the majestic Outer Great Barrier Reef.
Green Island
It is a beautiful 6000-year-old coral cay in the Great Barrier Reef Marine Park – a premier world heritage site and one of the Seven Natural Wonders of the World. Grab your snorkel gear and head to the Lifeguard patrolled beach to explore the marine world off the beach, take a stroll thru the unique tropical rainforest, laze on the white coral sand beach or take part in some of the optional activities that Green Island has to offer.
Outer Barrier Reef
The stable reef activity platform is the perfect base for swimmers and non-swimmers to explore. Snorkel and/or dive, visit the underwater observatory, cruise in a semi-sub to view the surrounding coral or relax on the sundeck with a delicious buffet lunch. The vibrant marine life of the reef awaits you.
Itinerary & Inclusions
- Depart Cairns Marlin Marina 08:30am
- Return air-conditioned fast catamaran cruise
- Morning tea & coffee served until departure
- Morning tea cake selection
- Two (2) hours on Green Island
- Three (3) hours on the Outer Reef platform
- Snorkelling equipment included at Green Island and the Outer Reef
- Lycra/Stinger suit included at the Outer Reef
- Use of buoyancy vests at the pontoon
- Reef education presentation
- Hot and cold buffet lunch
- Semi-submersible coral reef viewing tour
- Underwater observatory
- Guided Eco Reef Talk in the underwater observatory
- Afternoon tea and coffee are available whilst at the platform
- Cheese and biscuits on the return journey
- Return Cairns at 5.20pm
Optional extras
Seawalker Helmet Dive – Green Island
An amazing underwater walking experience, let Seawalker’s expert guides show you wonders of the reef as you stroll along Green Island lagoon’s sea floor. There’s no equipment to operate, non-swimmers welcome and you don’t even have to get your hair wet! View Dive Medical questionairre.pdf before booking
It’s easy – no new skills to learn, no swimming and no equipment to operate.
Per Person 12yrs + $198.00
Outer Barrier Reef Options
Guided Snorkel Tour
For those looking for a more immersive snorkel experience, a guided snorkel tour is a great way to maximise your visit to the Great Barrier Reef.
Ideal for novice snorkellers and family groups, you will be able to swim with the fish and explore the wonders of the reef with one of our knowledgeable guides by your side.
Adult $84 Child $44
Introductory and Certified Diving
For an underwater adventure to remember, come diving with us! It’s fun and no experience is necessary to take a fully supervised introductory dive. Our professional and experienced PADI instructors will guide you through every aspect of your dive, allowing you to have a relaxed, enjoyable experience.
Cert Dive $148 Intro Dive $198
Please note a dive medical questionnaire will be required to be completed on the day
What to bring
- Swimmers
- Towel
- Hat
- Sunglasses
- Reefsmart sunscreen
- Camera
- Water bottle (you are able to refill on board)
- Change of clothes
- Extra cash or credit card for onboard purchases
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Here’s why thousands of customers loveCairns Discovery Tours.
🗓️ Flexible Cancellations
Enjoy peace of mind with our flexible booking policy. Most Cairns Discovery Tours can be cancelled up to 24 hours before departure with a full refund. We make exploring Cairns stress-free, so you can book with confidence.
💳 Book Now, Pay Later
Secure your place on our popular Cairns day tours with Klarna’s Book Now, Pay Later option. Lock in your adventure today and pay in easy installments — perfect for planning your Cairns holiday without upfront costs.
🌴 Local Since 1995
For over 28 years, Cairns Discovery Tours has been proudly locally owned and operated. Established in 1995, we’ve shared the tropical beauty of Cairns with thousands of travellers, offering authentic, community-connected tour experiences.
👩🏫 Expert Local Guides
Our passionate Cairns tour guides are storytellers, historians, and nature enthusiasts. With deep local knowledge, they bring the Great Barrier Reef, Daintree Rainforest, and Cairns’ tropical heritage to life, ensuring an unforgettable and educational experience.

















