Water activity

Cairns: Great Barrier Reef Semi-Submarine Catamaran Tour

Cairns: Great Barrier Reef Semi-Submarine Catamaran Tour

From US$ 180.57 per person

Escape into a world of surprises on this catamaran tour. Visit a spacious activity platform moored in the Great Barrier Reef, home to coral gardens, marine life, and rainbow-colored tropical fish.

About this activity

Free cancellation
Cancel up to 24 hours in advance for a full refund
Reserve now & pay later
Keep your travel plans flexible — book your spot and pay nothing today.
Covid-19 precautions
Special health and safety measures are in place. Check your activity voucher once you book for full details. Learn more
Duration 7 hours
Check availability to see starting times.


  • Discover an incredible underwater kingdom from the semi-submarine
  • Snorkel in the breathtaking coral gardens of the Great Barrier Reef
  • Enjoy a buffet lunch with amazing panoramic views
  • Experience memories of a lifetime with family or friends
  • Cruise in the air-conditioned comfort of a modern catamaran
Full description
Explore the heart of the World Heritage Great Barrier Reef Marine Park on this day trip from Cairns. Journey on a semi-submarine catamaran that's perfect for all ages, swimmers and non-swimmers alike, with a range of onboard and water activities. Travel to a spacious activity platform moored at a site on the outer edge of the Great Barrier Reef. Spend 3 hours enjoying the activities and facilities of the platform and discover the marine biodiversity of the reef is at its most extreme. Snorkel amongst vibrant coral gardens that are home to extraordinary marine life and rainbow-colored tropical fish. Enjoy easy access to the water from the snorkel platforms. You might even meet Wally, the most friendly fish in the reef. If you choose to stay dry, discover the reef from the underwater observatory. Enjoy the comfort of the air-conditioned semi-submarine with expert commentary.
  • Return-trip air-conditioned catamaran cruise
  • Tea and coffee
  • Morning tea cake
  • Buffet lunch
  • 3 hours at Outer Reef platform
  • Snorkeling equipment
  • Semi-submarine reef discovery tour
  • Eco reef talk
  • Wi-Fi
  • Hotel pickup and drop-off
  • Additional food and drinks (available to purchase)
Covid-19 precautions
Safety measures in place
  • All areas that customers touch are frequently cleaned
  • You must keep social distance while in vehicles
Traveler requirements
  • All participants who are over 16 years old must present proof of full vaccination or lawful exemption. All participants under 16 years old must be accompanied by a fully vaccinated adult from their household

Select participants and date



Meeting point

On arrival at the Cairns Reef Fleet Terminal, please proceed to Great Adventures' check-in counter located inside the terminal to exchange your voucher for your boarding pass. Please arrive at the meeting point 30 minutes before departure.

Open in Google Maps ⟶
Important information

What to bring

  • Sunglasses
  • Sun hat
  • Swimwear
  • Towel
  • Sunscreen
  • Cash

Not allowed

  • Drones
Customer reviews

Overall rating

4.4 /5

based on 8 reviews

Sort by:

Traveler type:

Star rating:

the meeting point is duper convenient and so is the ride upto to the pontoon where one gets to experience the Reef in all its glory. there are options of snorkeling, diving to choose from. the refreshments served as soon as u board is good n so is the service. even the lunch buffet was fresh. Will most definitely recommend

November 18, 2022

Actually it was really good. The crew was very nice. But where we were let out to snorkel, the reef was dead. So there were almost no fish to be seen... And unfortunately it was too expensive for that...

October 5, 2022

September 22, 2022

Product ID: 370726