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See the Great Barrier Reef's coral and marine life on this full-day trip from Port Douglas. Whether you are a snorkeler or a scuba diver, experienced or a novice, this snorkel and dive cruise from Port Douglas is the perfect day out on the Great Barrier Reef. Visiting three different dive sites you'll discover the abundant marine life and diversity of coral which the Great Barrier Reef is world-famous for.
The friendly crew will be happy to answer any questions you have throughout the day. The boat features full bar facilities, fresh water showers and expansive sundecks overlooking the Coral Sea. A tropical buffet lunch will be served between sites, along with morning and afternoon tea.
Public transportation options are available nearby
Not recommended for travelers with poor cardiovascular health
Travelers should have at least a moderate level of physical fitness
Minimum age for introductory scuba diving is 12 years. All diving participants will be required to complete a health questionaire prior to diving. Some pre-existing medical conditions (eg asthma, heart conditions, etc) may prevent you from diving, please consult your doctor
After a single dive, a wait of 12 hours is recommended before flying. If doing multiple dives, an interval of 24 hours is recommended.
Between July 27th and October 18th, 2025, Silversonic will be temporarily operated by our vessel, Poseidon..
For a full refund, cancel at least 24 hours before the scheduled departure time.
Silversonic Dive & Snorkel
Your day begins with pickup from your Port Douglas hotel. The fastest ride out to the reef from Port Douglas, the ultra modern 29 meter catamaran will be your base for the day. Throughout the day you'll visit three locations on Agincourt Reef, each showcasing a different aspect of the beautiful Great Barrier Reef. The cruise has exclusive access to 22 premier internationally recognised reef sites and you have the choice to snorkel, dive or a combination of both. The friendly crew will be happy to answer any questions you have throughout the day. The boat features full bar facilities, fresh water showers and expansive sundecks overlooking the Coral Sea. A tropical buffet lunch will be served between sites, along with morning and afternoon tea.
Agincourt Reef
Agincourt Reef sits at the very edge of the Great Barrier Reef, a ribbon reef running parallel to the Continental Shelf. There is a multitude of marine life at Agincourt Reef, from tiny iridescent fish seeking shelter in their coral homes to massive giant clams weighing up to 200 kilograms (440 pounds).
Lycra suits and prescription masks available
Use of snorkeling equipment (mask, fins, snorkel)
Environmental Management Charge (EMC)
Hotel pickup and drop-off from Port Douglas area
Guided snorkel tour with a marine naturalist
Buffet lunch, plus morning and afternoon tea
Drinks
Gratuities
Wetsuit hire for snorkellers (approximately AUD $15)
Optional activities (if options not selected)
Chọn điểm đón
Cruise Only : 5hrs on the Outer Reef, visiting 3 sites. Including Port Douglas transfers from hotels, buffet lunch, snorkel gear and tour.
5 hrs on the Outer Great Barrier Reef, visiting 3 sites. Includes 1 introductory dive, pickup/drop off from Port Douglas hotels, buffet lunch, snorkel & dive gear
5 hrs on the Outer Great Barrier Reef, visiting 3 sites. Includes 3 certified dives, pickup/drop off from Port Douglas hotels, buffet lunch, snorkel & dive gear
Proof of Certification Needed: Certified divers must possess an internationally recognised SCUBA certificate card to participate
5 hrs on the Outer Great Barrier Reef, visiting 3 sites. Includes 1 certified dive, pickup/drop off from Port Douglas hotels, buffet lunch, snorkel & dive gear
Proof of Certification Needed: Certified divers must possess an internationally recognised SCUBA certificate card to participate
5 hrs on the Outer Great Barrier Reef, visiting 3 sites. Includes 2 introductory dives, pickup/drop off from Port Douglas hotels, buffet lunch, snorkel & dive gear
5 hrs on the Outer Great Barrier Reef, visiting 3 sites. Includes 2 certified dives, pickup/drop off from Port Douglas hotels, buffet lunch, snorkel & dive gear
Proof of Certification Needed: Certified divers must possess an internationally recognised SCUBA certificate card to participate
512 đánh giá
Tổng số đánh giá và xếp hạng từ Viator & TripAdvisor
HBNC,11 thg 3, 2026
- Đánh giá từ Tripadvisor
Diving the GBR has been on our bucket list and we are so glad we chose to go with Quicksilver. It is an extremely run well business - from the booking experience to the welcome aboard to having all the equipment we needed onboard and plenty of staff to help us in and out of our gear. Even a wonderful hot lunch was included. As experienced certified divers, we were worried that on a large boat that served different interests we might be tripping over snorkelers or put in groups with new divers who might require all of the dive master's attention or disrupt the flow of the dives. Thankfully, that wasn't the case at all. Gordon guided only us and and a few other experienced divers on our own route pointing out clown fish, sharks, giant clams and so much more along the way. He made us laugh a lot as well while setting up and during our surface intervals.
bmanthy,5 thg 3, 2026
- Đánh giá từ Tripadvisor
Excellent experience end-to-end. Great customer service from ALL staff at every step. Excellent dive experience. Excellent experience on the pontoon platform. The boats are fast, smooth, and awesome. Great good on board. Book without hesitation!

Michael F,20 thg 2, 2026
- Đánh giá từ Viator
Great day on the reef. Staff was extremely helpful and knowledgeable. Shout out to Moni who was the best!! Buffet lunch was plentiful and had a wide verity of choices. Highly recommended
Michaela F,15 thg 2, 2026
- Đánh giá từ Viator
Amazing snorkeling in 3 different locations with no other tour groups or boats. We lucked out with the weather being that it was January so it was a perfect day. Equipment was good quality for a tour company, stinger suits good too. Plenty of food provided with snacks and buffet which is great after lots of swimming. Staff were great and super helpful and friendly. Would recommend to anyone and do it again if I’m ever heading back to the GBR.
Kasey H,13 thg 2, 2026
- Đánh giá từ Viator
Bucket list trip for sure! The boat was extremely well appointed and comfortable. Staff was friendly and fun. Moni was our dive instructor for our small introductory dive group and she was AMAZING!! So informative and calm. I can't say enough great things about her and her ability to manage 4 new scuba divers under water! The reef was even better than I anticipated. This is a can't miss excursion!
Stuart D,10 thg 2, 2026
- Đánh giá từ Viator
Wonderful experience! The crew is obviously well trained, very knowledgeable and super focused on safety. They take good care of both snorkelers and scuba divers, plus feed everyone well.
Theresa C,6 thg 1, 2026
- Đánh giá từ Viator
Great trip snorkeling around the reef. They were really organized, informative and efficient making it a great day for everyone
Katie P,5 thg 1, 2026
- Đánh giá từ Viator
Amazing crew and the perfect day! I’d recommend this tour to everyone! Really informative and fun and the lunch buffet was 10/10 with lots of different options as well.
miknik,28 thg 12, 2025
- Đánh giá từ Viator
One of the best boats weve been on and weve been on loads throughout the world! Plenty of friendly staff, very knowledgeable, lets you go off on a buddy system to explore the reefs and tell you exactly where the best spots are! Full catering on board with topnotch spread o cold meat, prawns salad fruit, hot meal of beef ! Excellent photographer on board with reasonably priced pics to buy! We saw turtles sharks so many fish, coral is outstandingly beautiful and colourful and sooooo big! Our diving instructor was so good! Simon youve sold the kids to do their padi courses! Such a lovely day!
JKW 12,26 thg 12, 2025
- Đánh giá từ Tripadvisor
Great value, good food and 3 dive spots. Wonderful dive refresh with Gordon who was calm, clear, confident - and gave our nephew the best intro dive. Highly recommend
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