Top 12 Snorkeling and Diving Trips in Australia

1.Great Barrier Reef Snorkeling and Diving Cruise from Cairns

★★★★★★★★★★4.5 · 3,714 reviews · from $190Our pick

Spend about 8.5 hours aboard Evolution, traveling from Cairns to two outer reef sites near Saxon, Norman, or Hastings Reef. Snorkel with supplied gear, add an introductory or certified scuba session, and choose a scenic helicopter flight. Marine guides, barbecue lunch, snacks, and a glass of wine are included.

“The trip was SO well organised, even though there is a lot of people on the boat, you don’t even realise because everything runs so smoothly. The reefs we were taken to were absolutely amazing & the staff were especially friendly and helpful all the time. I would 100% reccomend this trip if you want to go to the barrier reef.”

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2.Ocean Freedom Great Barrier Reef Luxury Snorkel and Dive Cruise

★★★★★★★★★★5.0 · 1,895 reviews · from $181Top rated

Set out from Cairns on the 65-foot Ocean Freedom catamaran for six hours at Upolu Cay and Wonder Wall. Snorkel with a marine naturalist, join a glass-bottom boat tour, or add certified or introductory scuba sessions. Expect a maximum of 75 people, reef equipment, a seafood buffet, and close crew support in the water.

“It is a 5 Star tour. Small group, very friendly crew members, great food, wonderful snorkelling experience.”

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3.Premium Snorkelling and Diving Reef Day Trip

★★★★★★★★★★4.7 · 1,528 reviews · 8 hours · from $166

From Cairns, Divers Den’s AquaQuest takes you 90 minutes to two outer reef sites at Norman, Saxon, or Hastings reefs. You get guided snorkeling, optional scuba sessions, equipment, meals, hot showers, and up to five hours on the reef. Guides such as Vanessa and Mazie help first-time scuba participants feel at ease.

“Vanessa and Mazie were amazing!!! I did an introductory dive, one with each of them, and Vanessa was super patient with us and it was awesome! The second dive with Mazie was just fabulous because we had more time to explore and really take in the reef! Lunch was delicious and the cruise manager was just as sweet as pie!! Truly an amazing Christmas I will never forget!”

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4.Outer and Coral Cay Snorkel and Dive Cruise

★★★★★★★★★★4.8 · 1,467 reviews · 9 hours - 1 day · from $183

Travel from Cairns on Ocean Freedom’s fast 20-metre catamaran to Wonder Wall and Upolu Cay. You’ll snorkel with marine guides, ride a glass-bottom boat, and have time for optional certified or introductory scuba. Expect an intimate feel when numbers are low, strong food service, and careful instruction from crew such as Ollie, Paul, and Tori.

“We absolutely loved the two intro scuba dives. Our guide Paul was wonderful at instruction and calm direction through some beginner's anxiety. Reese, Maddy, and the entire crew were amazing. It was an intimate experience with only 35 guests on board, and we felt well attended to. Lunch, snacks, etc. were great. Would love to come back - thank you to team Ocean Freedom!”

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5.Snorkel & Dive the Reef: Sustainable, Scientific & Cultural Tour

★★★★★★★★★★4.5 · 841 reviews · from $232

Leave Cairns at 8:00 am for a fast catamaran ride to Reef Magic’s outer-reef Marine World platform. Snorkel in a sheltered area, watch the reef from glass-bottom boats and a semi-submersible, or add scuba, helmet walking, or a helicopter flight. Marine biologists such as Ella, Ethan, and Kaitlin lead talks and help first-time snorkelers.

“I was worried this would be an overrated and underwhelming experience, but I could not have been more wrong. This was an unforgettable experience! There was plenty to do for those in our party that didn't want to snorkel. The lunch and coffee was delicious as well. Definitely worth the price!”

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6.Great Barrier Reef Premium Diving Full Day Tour

★★★★★★★★★★4.7 · 792 reviews · 9 hours · from $127Best value

Meet at Cairns Marlin Marina for a full day with Reef Magic and Dreamtime Dive. You will visit two outer reef sites, spend about five hours snorkeling or taking an introductory or certified scuba session, and hear Gimuy Walubara Yidinji, Gunggandji, Mandingalbay, and Yirrganydji stories. Cultural guides such as Jed and Kevin may add music and performance to the day.

“Jen was amazing and did everything she could to make sure I had an amazing day, the whole crew were super friendly and experts in their fields which made it a really special and informative experience”

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7.Outer Barrier Reef Snorkel and Dive Options

★★★★★★★★★★4.9 · 438 reviews · 7h 30m · from $174

Cruise from Port Douglas to Opal or Agincourt Reefs for three reef stops, guided snorkeling, optional scuba sessions, meals, and reef talks. You may meet marine biologist Freya or instructors such as Ruth, Reenie, and Delphine. Expect a long day at sea, plenty of deck space, and changing conditions.

“We saw amazing coral and reefs. Best place we ever snorkeled. The guide and boat were wonderful. Dave had a great sense of humor and we really liked him. You won’t regret it!”

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8.Silverswift Dive and Snorkel Great Barrier Reef Cruise

★★★★★★★★★★4.5 · 432 reviews · from $212

Ride the 29-meter Silverswift catamaran from Cairns to three outer reef sites, often Flynn, Milln, and Thetford. Snorkel all day, try one or two introductory scuba sessions, or complete up to three certified descents. Guides such as Paul, Matilda, Vanessa, and Vinnie help beginners feel at ease, while lunch, tea, showers, and gear are included.

“Loved it!! If you do the intro scuba dive, be sure to book two dives. The first dive involves some safety training that limits your time looking at the cool stuff. The second dive skips all that because you’re familiar with the process. Totally worth it: one of the highlights of our trip.”

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9.Silversonic Great Barrier Reef Dive & Snorkel

★★★★★★★★★★4.8 · 353 reviews · 8 hours · from $189

Spend a full day aboard Quicksilver’s 29-meter Silversonic catamaran, cruising from Port Douglas to three Agincourt Ribbon Reef sites. You get more than five hours in the water, a guided snorkel tour, meals, safety support, and gear. Scuba options cost extra, while licensed Minke whale encounters may occur from July through September.

“Great experience, crew were very professional and fun. Trip out to reef was rough but they prepared all passengers for the heavy seas. Reef experience was really enjoyable”

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10.2-Day Great Barrier Reef Dive and Snorkel Boat Trip

★★★★★★★★★★4.7 · 86 reviews · 2 days · from $466

Join Coral Sea Dreaming for a two-day, 12-person trip from Cairns to nine Great Barrier Reef sites. Snorkel at up to 25 moorings, sleep aboard a 16-meter yacht, and add guided scuba sessions, including a night outing for certified guests. Crew members such as Justin and Chad are known for calm instruction and careful safety.

“Had an awesome time had 4scuba dives and 3 snorkels over the 2 days , great weather … Jan and the crew were amazing .. highly recommend.. really liked the small number on the yacht”

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11.Snorkelling and Diving Reef Day Trip

★★★★★★★★★★4.7 · 81 reviews · 8 hours · from $240

Join Divers Den from Cairns Marina for a full day at two Outer Great Barrier Reef sites on Norman, Saxon, or Hastings reefs. You get up to four hours in the water, guided snorkelling, optional introductory or certified scuba, lunch, hot showers, and gear. Crew members such as Roman and Gavin are praised for calm, personal help.

“Divers den the company we went with were amazing,really friendly staff and they knew what they were talking about.”

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12.Poseidon Outer Barrier Reef Dive and Snorkel

★★★★★★★★★★4.8 · 19 reviews · 8 hours · from $213

Poseidon takes you from Port Douglas to three Agincourt Ribbon Reef sites for more than five hours in the water. Snorkel with expert guides, hear marine biologist Fern explain the reef, and enjoy lunch, equipment, and small-group service aboard a 24-metre catamaran. Scuba is available at an extra cost.

“Fantastic crew, amazing sites. On-board Marine biologist, Fern, provided some interesting presentations about the marine life, and a guided tour around the reef, which I thoroughly enjoyed! The vessel out to the reef was very comfortable, and bonus great weather and sea conditions!”

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