Outer Great Barrier Reef Snorkeling and Diving Cruise from Port Douglas

Port Douglas, Australia

For a prestigious Great Barrier Reef experience, take a ride on an ultra-modern, high-speed, luxury catamaran to three Outer Reef sites for the best diving and snorkeling out of Port Douglas. The cruise includes a seafood buffet lunch, a reef interpretation talk and a guided snorkel tour of Agincourt Reef. Enjoy a greater level of comfort and service on this luxury cruise to some of the Great Barrier Reef’s premier diving sites.

Cruising from Port Douglas aboard the high-speed Poseidon III , an ultra-modern, luxury catamaran, you’ll have more time to spend at three fabulous snorkeling and diving sites on Agincourt Reef’s outer limits. Renowned for its coral and marine life, the reef is known for being the best diving and snorkeling day trip destination from Port Douglas.

This cruise suits experts and beginners alike, whether you’re a certified diver or you just want to go snorkeling. If you’re a diver, you can take up to three dives into the Great Barrier Reef’s coral gardens. You have your choice of diving from the mooring site, doing a drift drive back to the vessel or taking an excursion to less easily accessed sites.

If you’d prefer to stay on top of the water, go snorkeling in sheltered lagoons with breathtaking drop-offs. Learn about the Great Barrier Reef’s fragile ecosystem during a reef interpretation talk, and then take a guided snorkel tour for a firsthand look at the reef’s tropical fish and coral.

Not only is the Poseidon III super-fast, it’s been specially designed to enhance your snorkeling and diving adventure, with more space and comfort than typical tour boats, a lowering transom for easier access to the water, an air-conditioned saloon and open deck areas for relaxing on the reef. You’ll also have plenty of chances to hydrate and re-fuel with an included morning tea, afternoon tea and buffet seafood lunch.

USD $184.00

Traveler Reviews

Review by:   Korina K,    March 2018
Nice trip but in my opinion too expensive for what you get, especially since they additionally charge for photos and diving

Review by:   cajjf1978.cj,    January 2018
This was an amazing experience and was top of my bucket list!! Crew were excellent - great safety training. Kept eyes on us at all times.

Review by:   mcorbin560,    January 2018
Port Douglas was our last Barrier Reef stop on our cruise ship. I can honestly say that this was the best shore excursion we took. Crew of the Poseidon were excellent and very professional. They wanted to make sure that everyone had a safe and great time. We went on three snorkel trips and each got better as we went along. As I tell everyone, I found Nemo!. Literally saw a family swimming in the reef. Equipment, food and all services were above par. An amazing overall experience and I highly recommend to anyone traveling to Port Douglas in Australia.

Review by:   Anouska A,    September 2017
Amazing - a must do if one day in this area. Crew were fabulous and the dive sites were fantastic.

Review by:   Susan H,    August 2017
Oh, I guess I forgot to review this tour last year. But it was fabulous. We were worried, having heard about the continuing bleaching event. There's no shortage of things to worry about where climate change is concerned, but at least as of August, 2016, it was still very cool to go snorkeling on the outer reef.

Review by:   Kim T,    June 2017
Excellent experience and great value! We really enjoyed the three separate snorkel areas and the food was good. They gave us plenty of time at each stop and we saw turtles and white tip reef sharks. The Great Barrier Reef was amazing! Lots of fish and coral great biodiversity. I will go back and I recommend this excursion.

Review by:   Desiree B,    May 2017
This tour was great! The boat ride and snorkeling were very waving and current was fairly strong but we manage to see a lot of the reef locations. We many fish, beautiful coral, and a reef shark that swam away as soon as it saw us. We enjoyed this tour but the conditions were prefect.

Review by:   Joni M P,    April 2017
We had a wonderful time on this excursion. Arrived at Reef Marina for 0830AM departure. There were 34 snorkelers and about 20 divers, but boat could hold 80. Snorkelers were told to sit on top level of large boat. It had a shaded area and we were given a briefing. Partly cloudy day with heavy rain on our way out to Agincourt Reef. Wore hooded stinger suits provided to protect against jellies...Went to 3 sites for over an hour at each site, after boat-ride of 90 minutes. Sites visited: The Point, Chapel and Barracuda. All were very nice with pink, yellow and blue plate and staghorn coral, giant clams blue, green and orange, trumpet fish, grey sharks, unicorn fish, sweet lips big fish, beaked coral fish and puffers. Beautiful schools of aqua pullers and orange larger fish. Beautiful! Food was great as well!

Review by:   Doug F,    March 2017
We had a great time. They provide body suits to protect against the sun and stinging jellyfish, which we never encountered, snorkel gear, flippers. The boats are very fast, it takes about an hour to get to the reef. They take you to three sites, give you plenty of time in the water, and provide lunch which was good and which accommodates vegetarians well. Large parts of the reef are very close to the surface-- frequently so close you have to remain horizontal in the water so you don't hit it by accident. In places also the bottom is close enough that holding your breath to dive down and get a good look is quite possible even if you're not experienced at it. They have guides who know the sites and can point out things you might miss-- sea slugs, giant clams, turtles, sharks, unusual species of fish, especially interesting portions of reef. I was concerned at first that things would be distant and that only scuba would let you really see things, but this was not at all the case.

Review by:   Jason L,    July 2016
This tour was amazing!

Review by:   Areigna P,    April 2016
Poseidon Great Barrier Reef Cruises are AWESOME! Funny and friendly guides! Great reef sites, and their gear is too-notch!

Review by:   Coopers,    December 2015
Poseidon and the entire team were awesome. The 3 snorkel sites we visited at Agincourt Reef were all incredibly beautiful. The reef information sessions were fabulous and gave further insight into the World Heritage listed Reef we had the privilege of sharing. An added bonus was the food which was lovely and fresh and there was plenty of it.

Review by:   Andrewalia,    October 2015
Had a great time. Did the three dives. Well worth the price.

Review by:   Lucy,    August 2015
I cannot rate this tour high enough. Worth every penny. _br/_ I would 100 advise for anyone taking this tour to take travel sickness tablets. Ours was a very calm day according to staff however it was still quite sickness educing._br/_ The staff were lovely handing out sea sickness tablets as we got on the ferry. _br/_ We had full safety briefings before each dive or snorkel. We were offered the chance to wear stinger protection suits and life jackets whist snorkelling which we took up. _br/_ There were always life guards in the water with use, a marine biologist to point out the fish on the reef and a spotter on the roof of the boat to water all the swimmers. _br/_ The food was amazing and fresh. There was also plenty of it. Every single member of staff were on hand to answer questions and most of them sat with the tourists on the journey. _br/_ The reef itself was absolutely beautiful. We swam with a range of fish, reef shark and turtles!

Review by:   Jamie H,    January 2015
The staff is amazing! We had some of the roughest water I've ever been on and half of the boat (literally) was out bag with white paper bags due to sea sickness. That didn't ruin the spirit or service of the staff though. Because the weather wasn't so great, we did have a choppy first dive but Kim (one of the dive instructors) was my saving grace and made sure I had a good time. Without Kim, I may have missed out on my chance to live a life's dream of diving in the Great Barrier Reef.

Review by:   Stephen Q,    December 2014
Diving the Great Barrier Reef has ALWAYS been our dream. What an amazing experience! Viator made all the arrangements. All the inclusives in the tour was much more than we ever expected. From the pick-up at our Shantara Resort to the drop off, everything was seamless. We were treated to the best dive equipment on the Poseidon. The instructors were experienced, friendly and very attractive. We would highly recommend this tour company and dive operator to all who visit Austraila. The famous ribbon reefs were highly anticipated, since this is what entices all divers to the outer Great Barrier Reef. There are many to chose from, but with Viator and Poseidon, you won't be disappointed. The selection of food to keep divers and snorklers energized was very impressive.

Review by:   Alison B,    December 2013
This was a brilliant trip, and fantastic views of the reef and lots of different fish and coral to see._br/_ Highly recommended.

Review by:   David A,    October 2012
There is a bus service operated to pick you up and drop you back at your hotel in PD. The boat is smaller than the huge quicksilver boats but this was a plus it meant less people on the reefs with you. The three stops were great, snacks on boarding, lunch in the day and then bits and pieces you can buy. The crew are very friendly and interact with everyone. All snorkels/flippers are free and you can get a wetsuit for $5. Can't recommend them enough!

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