Our Review
Great Adventures Review 2026: The Most Educational Green Island Day Trip
Great Adventures stands out from the other two Green Island operators in one specific way: every package includes a marine biologist presentation and a guided eco walk through the island's national park rainforest. That educational layer comes at every price point — even the cheapest Transfer option ($112 adult) gets you the marine biologist talk and morning tea, with no water activities required.
The Discovery package ($156 adult) is the flagship: snorkel gear, glass bottom boat, and exclusive access to the Green Island pool — something neither Big Cat nor Ocean Free offers. The family pass ($404) covers two adults and two children. The Island & Reef Combo ($343 adult) is the only single-day option combining Green Island with three hours at an outer reef platform including semi-submarine and buffet lunch. Best pick for families who want education alongside the island day.
GuestTours Verdict
Best pick for families and anyone who wants education alongside their island day. Marine biologist, eco walk and pool access (Discovery) set it apart. Good pricing ladder from $112 to $343. Two daily departures add schedule flexibility.
Packages & Pricing
Tour Packages and Prices
All packages include return ferry, morning tea, guided eco walk and marine biologist presentation.
| Package | Adult | Child | Family | Key Inclusions |
|---|---|---|---|---|
| Green Island Transfer | $112 | $56 | $287 | Ferry + eco walk + marine biologist. No water activities. |
| Eco Adventure | $127 | $68 | $329 | + snorkel gear or glass bottom boat (choose one) |
| Discovery Best Value | $156 | $85 | $404 | + snorkel gear and glass bottom boat + pool access + beach bag |
| Island & Reef Combo | $343 | $188 | $884 | Green Island (2 hr) + Outer Reef Platform (3 hr) + semi-sub + buffet lunch |
What's Included
Discovery Package Inclusions
- Return ferry to Green Island
- Green Island access
- Marine biologist presentation
- Guided eco walk (rainforest)
- Morning tea
- Snorkel gear
- Glass bottom boat tour
- Green Island pool access
- Beach bag
Not included: Lunch (available on island) · Hotel transfers · Marineland Melanesia entry · Diving add-ons
Reasons to choose
- Marine biologist included in all packages
- Exclusive pool access for Discovery guests
- Best family pricing on Green Island
- Two daily departures for flexibility
- Guided eco walk through rainforest
- Island and Reef Combo option available
Things to consider
- No lunch included in any package
- Shared reef snorkelling (not exclusive site)
- Discovery pricier than Big Cat equivalent
- Larger boat than Ocean Free
Day Schedule
What Happens on the Day
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8:30 AMDepart Reef Fleet Terminal1 Spence St, Cairns. Second departure also available at 10:30 AM for a shorter island day.
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~9:15 AMArrive Green IslandCheck in, collect snorkel gear (Discovery / Eco Adventure). Head to the eco walk starting point or marine biologist presentation area.
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MorningMarine biologist presentationStructured talk on the Great Barrier Reef ecosystem, coral types, bleaching, and what to look for when snorkelling. Included in all packages.
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Mid-morningGuided eco walk + morning teaWalk through Green Island's national park rainforest with a guide. Morning tea included. Covers native plants, wildlife and the island's ecology.
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MiddaySnorkelling, glass bottom boat or poolDiscovery: all three options. Eco Adventure: snorkel or glass bottom boat. Transfer: beach and island exploration only. Lunch available at the island café/restaurant at your own cost.
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AfternoonFree time on the islandBeach, rainforest walks, Marineland Melanesia (entry fee applies separately), café or shops. Pool remains available for Discovery guests.
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2:30 PMFirst return ferry departsChoose the 2:30 PM return if you've had enough island time or want to be back in Cairns by 3:15 PM.
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4:30 PMFinal return ferry departsLast ferry back to Reef Fleet Terminal, Cairns. Arrive approximately 5:15 PM.
Common Questions
Frequently Asked Questions
For most travellers, the Discovery package ($156 adult) is the best choice: it includes both snorkel gear and the glass bottom boat, pool access and a beach bag, giving you the full island experience for $29 more than Eco Adventure. The Transfer package ($112) is worth considering only if you genuinely won't snorkel. The Island & Reef Combo ($343) is the right call if you want both an island day and the full outer reef experience in one day.
The marine biologist gives a structured presentation about the Great Barrier Reef ecosystem, coral types, bleaching, fish species, and what to look for when snorkelling. It's genuinely useful before you get in the water and makes the snorkelling experience more meaningful. This is included in all three packages, including the cheapest Transfer option.
A guided walk through Green Island's national park rainforest, covering native plants, wildlife and the island's ecology. It's a short but interesting walk that most visitors skip when visiting the island independently. Morning tea is served around this time.
Exclusively Discovery package guests. The pool is part of Green Island Resort and is normally reserved for resort guests. Great Adventures has secured access for their Discovery ticket holders. This is unique: no other Green Island day-trip operator offers pool access. If you're travelling with kids who want a pool day, this removes the "the pool isn't for us" problem.
Yes, and it's probably the best family-oriented Green Island operator. The marine biologist talk engages children, the eco walk is accessible for most ages, and the glass bottom boat means non-swimmers can still see the reef. The Discovery family pass ($404 for 2 adults + 2 children) is well-priced relative to individual tickets.
The combo spends 2 hours at Green Island (with eco walk and marine biologist) and 3 hours at Great Adventures' Outer Reef Platform. At the outer reef you get snorkelling on both sides, a semi-submarine, an underwater observatory, buffet lunch and more marine biologist presentations. Full schedule: depart Cairns 8:30 AM, Green Island 9:15-11:20 AM, Outer Reef 12:30-3:30 PM, arrive Cairns 5:30 PM. Price: $343 adult / $188 child / $884 family.
Two departures: 8:30 AM and 10:30 AM from Reef Fleet Terminal, Cairns. Return ferries depart Green Island at 2:30 PM and 4:30 PM. The 8:30 AM departure gives you more time on the island; the 10:30 AM suits late risers or those combining Green Island with a Cairns morning.
Big Cat's Discovery equivalent ($122 for snorkel or glass bottom boat, no marine biologist or eco walk) costs $34 less but also includes less. Great Adventures' Discovery ($156) gets you both activities, pool access, the marine biologist and the eco walk. If education, structure and pool access matter, Great Adventures wins. If price and schedule flexibility (Big Cat has 4 departures) matter more, Big Cat is a strong alternative.
No fuel levy is listed for Great Adventures Green Island tours. The published prices are the ticket prices. Confirm at booking whether any environmental management charge applies at check-in.
Reef-safe sunscreen, hat, sunglasses, swimwear and a towel. Snorkel gear is provided (Discovery and Eco Adventure). Bring cash or card for lunch on the island: there's a café and restaurant. Card accepted for shops and Marineland Melanesia entry. Leave valuables at your hotel.
Free cancellation if you cancel 48 hours or more before departure. Within 48 hours the booking is non-refundable. If the operator cancels due to weather, you receive a full refund or can reschedule.
Great Adventures is operated by the Quicksilver Group, which also runs Quicksilver outer reef cruises from Port Douglas and several other operations in Far North Queensland. They're one of the largest and most experienced marine tourism operators in the region. Great Adventures specifically covers the Green Island day trip from Cairns.
Great Adventures
Green Island Day Trip · Cairns
Discovery Best Pick
Eco Adventure
Transfer (ferry only)
Adult
Snorkel + GBB + pool + beach bag
$156
Child
4–14 years
$85
Family Pass
2 Adults + 2 Children
$404
Adult
Snorkel or glass bottom boat
$127
Child
$68
Adult
Ferry + eco walk + marine biologist
$112
Child
$56
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