Silversonic Outer Barrier Reef Snorkelling and Diving Adventure
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An exhilarating day of fun, discovery and adventure!
Silversonic is custom-designed for the thrill of snorkelling and diving and on this experience you will explore three different and exclusive sites on the outer Great Barrier Reef at the stunning Agincourt Ribbon Reefs.
Our guide to Silversonic Outer Barrier Reef Snorkelling and Diving Adventure from Port Douglas
Departing from Port Douglas, step aboard the ultramodern boat, Supersonic, for an exhilarating day of fun, discovery and adventure in the natural wonderland that is the Great Barrier Reef.
On this tour you'll have access to explore three stunning and exclusive reef sites at the renowned Agincourt ribbon reefs, each chosen for the visual and ecological diversity they provide for your diving and snorkle adventures. You will spend over five hours at the reef and enjoy unlimited snorkelling plus up to three certified dives (depending on which option you selected).
You'll be taking this tour in comfort and style! With a friendly and knowledgeable crew, Silversonic has everything you’ll need to experience an underwater world of colourful marine life in safety. With a large submerged platform, access to the water is so easy or you can simply relax on the spacious deck areas.
There’s hot freshwater showers, changing rooms and even a licensed bar - a great place to share tales of your adventure on the homeward journey.
8.30am; check-in is between 7.30am and 8.00am.
Terms and conditions
Terms and conditions for Silversonic Outer Barrier Reef Snorkelling and Diving Adventure
- Diving is not included unless you selection one of the diving tickets.
- Those wishing to dive will be required to fill out a medical questionnaire on board prior to diving. Certain medical conditions and medications may preclude some people from diving.
- Silversonic recommends a wait of 12 hours but preferably 24 hours, if doing multiple dives, before ascending to an altitude of 300 metres or greater.
- Snorkelling can be a strenuous activity. Please use caution and inform the crew of any medical conditions.
- The minimum age for diving is 12 years. Children under the age of 15 years are unable to travel without a parent or legal guardian. Children between the ages of 15 to 18 years can travel unattended but a dive waiver (either certified or introductory) and a letter signed by the parent/legal guardian, giving permission to the child to dive, must be presented to the crew on the day before travel.
- Please contact the Silversonic office for the required paperwork.
- Bring along a towel, sunscreen, hat, swimwear and camera to capture your memories. Limited underwater digital cameras are available to hire onboard.
- On very rare occasions, services can be subject to the effect of weather or unforeseen circumstances. Should a cruise not operate for any reason passengers will be offered an alternative day or a refund authorised.
- An Environmental Management Charge of $7.00 is levied on all adults and children 4 years and over entering the Great Barrier Reef World Heritage area. This charge is included in the above prices.
- With fluctuations in world oil prices, it may be necessary to apply a fuel surcharge to your ticket price. In such cases any charge will be collected on departure.
- Cancellation Policy: Free cancellations for bookings cancelled prior to your holiday departure date. No refunds are given for cancellations made post departure.
Frequently Asked Questions for Silversonic Outer Barrier Reef Snorkelling and Diving Adventure
- What is the difference between Silversonic and Silverswift?
- Both are identical sisterships, 29 metre high speed catamarans custom-designed for scuba dive and snorkel operations. Both visit 3 different reef sites and spend 5 hours at the reef. The difference is where they are based and the reef sites they visit. Silversonic departs from Port Douglas and has the choice of 22 stunning Agincourt ribbon reef sites to visit daily. Silverswift departs from Cairns and has the choice of 16 spectacular outer reef sites at Flynn, Pellowe, Milln and/or Thetford Reefs.
- What is the difference between the reef sites Silversonic and Silverswift visit?
The reef systems that Silversonic and Silverswift visit are approximately 100 km apart giving rise to very different styles of reef formations and marine life. Both provide spectacular experiences for divers and snorkellers. Silversonic takes you to the Agincourt ribbon reef systems at the very outer edge of the Great Barrier Reef. Parallel to the Continental Shelf, they are recognized as the most pristine eco-systems in the reef's environment. Clear water provides the best possible underwater visibility, encourages rich coral growth and supports spectacular marine life. Agincourt's formations offer large wall dives as well as great bommie and pinnacle sites.
- Are there any sharks on the reef?
Yes, there are sharks in every ocean and a variety inhabit the Great Barrier Reef. The most frequently seen sharks are white and black tip reef sharks which are quite timid and pose no threat to divers and snorkellers.
- What is the "Outer Edge"?
The Outer Edge is where the Continental Shelf ends and the deep ocean begins. At the Outer Edge, the ocean floor drops from 30 – 40 metres to hundreds of metres. Ribbon reefs are situated on the edge, hence the name the "Outer Edge".
- Do you really go to the Outer Edge?
Yes, Silversonic travels to Agincourt reef which is a ribbon reef on the very edge of the Great Barrier Reef. It sits approximately 5 km in from the edge of the Continental Shelf.
- How many hours are we at the Reef?
You will have over 5 hours at the reef sites combined.
- What sort of marine life will we see?
All of the reef sites offer great ecological diversity and an abundance of marine life. Some of the commonly seen marine life include turtles, anemone fish (Nemo), lionfish, cuttlefish, moray eels and reef sharks.
- Will we see whales?
During the months of May to September there is an added bonus of potential whale sightings as these gentle giants migrate to warm tropical waters to mate and give birth. The commonly sighted species are dwarf minke and humpback whales. A unique treat is to see the famous Migaloo, a rare white humpback whale. Silversonic has one of the few permits available from the Great Barrier Reef Marine Park Authority that allows guests to swim with dwarf minke whales if encountered. In season, these inquisitive creatures are frequently sighted at the Agincourt Ribbon Reefs where Silversonic visits. This activity is conducted under strict codes of practice.
- What are Lycra Suits? Are there any stingers?
Lycra suits are available onboard to reduce the possibility of stings and irritations while also offering protection from the sun. At certain times of the year (generally November – April), jellyfish, commonly called marine stingers, can affect the seas of Northern Australia. Most jellyfish are harmless to man, however certain varieties may cause a serious reaction. Incidents involving serious marine stings in this area are extremely rare. The crew are conscious of the danger of marine stingers and will take appropriate steps to ensure your protection if they believe conditions are such that there is a possibility of encountering these creatures.
- Do you have foreign speaking dive/snorkel staff?
The crew do speak a number of different languages, however a specific language cannot be guaranteed on any given day of travel due to staff rosters. We recommend you contact Quicksilver office prior to travel.
- Do you provide optical masks for snorkellers and divers?
Standard masks magnify objects underwater by 25%, however prescription masks are also available ranging from -2 to -7 in strength. Prescription masks are available at no extra charge.
- Do you need to know how to swim to dive?
Not technically. It is recommended however that if you can't swim but would like to do an introductory dive, that a reef platform such as Great barrier Reef Adventure or Outer Barrier Reef Adventure cruise would be better suited to ensure the best experience.