14.9★★★★★2,573 Google reviews
Cairns Adventure Group
Cairns North
Rainforest rafting, tubing, swimming and crater-lake tours, plus cruising and wildlife watching on Trinity Inlet
- Every tour includes time in the water: rivers, gorges, crater lakes or the inlet
- Day trips into the Wet Tropics World Heritage Area
- Tagline: "Adventures for Everyone"
Best forActive travellers who want the rainforest, not just the reef
Visit cairnsadventuregroup.com.au ↗
25.0★★★★★646 Google reviews
Cairns Waterfalls
Reef Fleet Terminal, Cairns City
Tropical canyoning, waterfall sightseeing, Daintree trips and paddleboarding
- Canyoning through waterfalls, natural pools and gorges
- Sightseeing tours from A$139 (adult) on their site
- Eco certified and run by local guides
Best forWaterfall chasers and first-time canyoners
Visit cairnswaterfalls.com ↗
35.0★★★★★644 Google reviews
Pure Snorkelling
Marlin Marina, Cairns City
Half-day outer reef snorkelling trips, plus charters and twilight cruises
- Departs 12pm, back by 5pm, with about 2 hours of snorkelling
- Visits one of 15 reef locations, such as Sudbury, Moore and Thetford reefs
- From $199 on their site
Best forSnorkellers short on time (not suitable for non-swimmers)
Visit puresnorkelling.au ↗
44.9★★★★★1,572 Google reviews
Ocean Free & Ocean Freedom
Cairns Marina
Small, personally guided Great Barrier Reef snorkel and dive days on two boats
- Family owned by Perry Jones and Taryn Agius since 1996
- Built on "not a crowded tour, not a rushed experience"
- Snorkelling and diving options
Best forCouples and families who want a calmer, smaller reef day
Visit cairnspremierreefislandtours.com ↗
54.9★★★★★1,317 Google reviews
Passions of Paradise
Reef Fleet Terminal, Cairns City
Sail, snorkel and dive two outer reef sites on a 25-metre catamaran
- Sails daily from Cairns to two outer reef locations
- Turtles, reef fish and corals; diving available
- Says it has won the Australian Tourism Award for Adventure
Best forPeople who want sailing and the outer reef in one day
Visit passions.com.au ↗
64.9★★★★★787 Google reviews
Reef Adventures Cairns
Marlin Marina, Cairns City
Fast half-day snorkelling trips on high-powered boats, and a snorkel-and-fly combo
- Half-day small-group snorkelling tours
- "Snorkel and Fly": boat out, scenic flight back with Daintree Air
- Their line: "where the trip is part of the adventure"
Best forThrill-seekers who want speed on the way out
Visit reefadventures.com.au ↗
74.8★★★★★2,211 Google reviews
Down Under Cruise & Dive (Evolution)
Reef Fleet Terminal, Cairns City
Outer reef snorkelling and diving from a 35-metre superyacht
- Two outer reef sites with up to 5 hours on the reef
- Intro dives, certified dives and PADI courses
- Reef + rainforest multi-day packages
Best forValue-minded reef trips and learning to dive
Visit downundercruiseanddive.com.au ↗
84.9★★★★★511 Google reviews
Cairns Jet Boating
Marlin Marina, Cairns City
High-speed jet boat rides with spins and slides on Trinity Inlet
- Croc-spotting through the mangrove channels
- Spins, slides and saltwater spray: dress to get wet
- Part of Cairns Adventure Group
Best forA quick thrill between bigger trips
Visit badfishy.com.au ↗
95.0★★★★★232 Google reviews
Jetski Cairns Tours and Rentals
Pier Point Rd, Cairns City
Guided jet ski tours: 30-minute rides, croc spotting, coastline, sunset and island trips
- No licence or experience needed for guided tours
- Same-day bookings when spaces remain
- Leaves from central Cairns
Best forLast-minute fun with no experience needed
Visit jetskicairns.com.au ↗
104.8★★★★★596 Google reviews
Frankland Islands Reef Cruises
Parramatta Park, Cairns
River, rainforest and reef day trips to the Frankland Islands
- Island beaches and fringing reefs, with snorkelling and semi-submersible tours
- Guided walks with marine biologists, plus kayaks and paddleboards
- Groups capped at 100 people
Best forFamilies who want an island day, not just a boat day
Visit franklandislands.com.au ↗