Silversonic Port Douglas

Silversonic Port Douglas departs daily from Port Douglas.  This premier Great Barrier Reef tour visits three reef sites on the Agincourt Reefs.

This tour commences from the Crystalbrook Superyacht Marina at 8:30 am returning at 4:30 pm.

Silversonic is best suited for scuba divers and snorkelers.

Starting with guest check-in is at the Quicksilver reservation in desk at the Port Douglas Marina.

Next all aboard for a fantastic full-day tour.

A delicious gourmet breakfast including focaccias, muffins and cakes are served upon boarding.

Silversonic Port Douglas vessel can travel up to 32 knots.  It also has a unique ride control to ensure the most comfortable boat ride.

Visiting the Outer Barrier Reef

Agincourt Reef is a small group of reefs that run alongside the Continental Shelf.  Because of the reef location, the water offers fantastic visibility.

Silversonic Port Douglas Activities

Starting with 5 hours, this tour visits three spectacular reef locations during this full-day tour.

Silversonic’s friendly professional crew share a passion for the Great Barrier Reef with an excellent safety record and are delighted in showing it off.

During the day guests enter the water via a submerged deck straight off the back of the boat.

Under the water is where the magic happens,  everyone is in for a treat as they explore the largest living thing on Earth.

Certified Scuba Divers

Certified divers can enjoy up to 3 spectacular scuba dives.  There will be coral gardens, reef walls, and swim-throughs offering great scuba divers experiences during the day.

All scuba divers are guided by one of the professional dive instructors so you can relax and enjoy diving.

For divers who would like more time on the Great Barrier Reef, please visit our award-winning liveaboard 

Introductory Scuba Divers

If you don’t have a scuba certification and never have dived before it is possible to scuba dive.

Under the watchful eye of a dive instructor after a small amount of tuition, the professional crew will have you exploring the coral reef.

Introductory divers first receive a dive briefing, watch a video and then do a quick quiz before entering the water for a scuba dive.

Next, we will enter the reef for a dive to a maximum of 12 metres.  The dive instructor will link arms with you while diving and point our amazing marine life during your dive.

Because read the important information about scuba diving medicals to avoid disappointment on the day.


Included in Silversonic’s day is a marine interpreter guided snorkel for all snorkelers.

There are also floatation devices and buoyancy vests to make snorkelling a breeze if required.

Exploring the shallows over the coral reef is a wonderful way for snorkelers to view coral gardens.

After exploring the reef, you can have a hot shower and change before arriving back into Port Douglas.

Agincourt Reef and Ribbon Reefs

Agincourt Reef is located 65 kilometres off the Queensland coast of Port Douglas.

Reefs are situated within the Great Barrier Reef Marine Park. 

Agincourt Reef extends southwards as part of the continental shelf offering fantastic visibility.

Ranging from  0-25 metres this reef provides excellent scuba diving and snorkelling sites.

While you are on the reef, see brightly coloured fish and coral gardens.  Clownfish, angelfish and parrotfish are busy on the reef.

Next, keep an eye out for turtles leisurely cruising by.

In addition to marine life, there are swim-throughs, drop-offs and coral gardens.

Jump Into the Crystal Clear Water

With crystal clear water and temperatures range between 22-29 degrees Celsius.

Silversonic Port Douglas has 29 exclusive reef locations to choose from.  These reef sites include Turtle Bay, Castle Rock and the Three Sisters.

With the highest concentration of life on Earth, Australia’s Great Barrier Reef is a must-do.  Home to 1500 fish species, 400 coral types, and six of the Worlds seven marine turtles.

Next, its time to explore these magnificent reef locations before enjoying lunch.


A delicious hot and cold lunch includes king prawns, seasonal hot dishes, fresh garden and pasta salads.

During the cooler months, there are also soups to keep everyone warm.

After lunch, Silversonic will depart for the third reef location.

This is another great opportunity for divers and snorkelers to see more of the reef.

Next,  afternoon tea is served.

Afterwards, a final passenger count is done before we return to Port Douglas.

Dwarf Minke Whales

dwarf Minke Whales

Silversonic has been granted a permit from The Great Barrier Reef Marine Park to swim with dwarf Minke Whales.

Dwarf Minke Whales occur in a tropical, temperate and polar waters of the South Pacific, South Atlantic and the Indian Ocean.

Growing to a maximum length of 6.8 metres and weighing 635 kilograms.

Dark grey along their backs and head, while their flippers have a white band along the top. 

With a diet of krill and lanternfish. Dwarf Minke whales are Baleen whales and have two blowholes.

With a lifespan of fifty years,  Minke whales give birth to one calf per year.

They are talented at breaching and can get their whole body out of the water.

Minke Whales are inquisitive and often interact with boats, divers and snorkellers.

Frequently observed in areas off the coast from Australia.  The best place to see them on the Great Barrier Reef from March to October.



  • This day tour visits one of the seven natural wonders of the World.
  • 3 Outer Agincourt Ribbon Reefs
  • Spectacular marine life and coral.
  • 5 hours at the reef.
 Great Barrier Reef Itinerary
  • 07:30 –  First Check-in at Quicksilver Reservations Counter inside the Crystalbrook Marina.
  • 08:15 – Next, guests are invited to board the vessel
  • 08:20  Then sit back and relax with complimentary tea and coffee.
  • 08:30 – Depart Port Douglas Marina.
  • Along the way, a thorough certified and introductory dive briefing.
  • 10:15 – Then arrive at the first reef location.
  • Divers gear up while snorkellers’ site briefing begins.
  • Then get ready to see the beauty of this natural wonder!
  • 11:30 – Next, Silversonic departs for the second reef location.
  • Introductory and certified dives
  • Snorkelers site briefing.
  • Noon – Tropical hot and cold buffet lunch
  • 13:40 –  Next, cruise to the third reef location.
  • Snorkelling briefs on the best areas to snorkel.
  • Guided Snorkel Tour.
  • Option for certified divers to do a third dive and a second introductory dive.
  • 15:00 – Next, depart the  Great Barrier Reef.
  • 16:30 – Arrival time at Port Douglas Marina.
  • 16:55 – Coaches leave for accommodation.
This reef cruise includes

Return coach transfer from Port Douglas accommodation

  • Return Silversonic cruise from Port Douglas
  • Up to 5 hours at Australia’s Great Barrier Reef
  • Visit three different reef sites
  • Morning and Afternoon teas
  • Hot and cold tropical smorgasbord lunch.
  • Reef Interpretation.
  • Snorkelling equipment, including mask, snorkel and fins.
  • Guided Snorkel Tour.
  • Snorkel briefing at each site.
  • Qualified lifeguard supervision.
  • Equipment for divers and snorkelers.
  • Hot freshwater showers and change rooms.
  • Prescription masks.
  • Lycra suits.
  • Underwater digital cameras are available for hire.
  • Professional underwater photo and video service
  • Camera.
  • Swimwear, towel and sunglasses.
  • Hat, sunscreen and also a shirt.
  • Certification Card for Certified Divers.
  • Cash for drinks at the bar and credit card for additional dives.
  • Please note a small levy (Government Environmental Management Charge to pay upon check-in.

Silversonic departs from

Check-in is at The Crystalbrook Superyacht Marina

44 Wharf Street, Port Douglas Queensland 4877

Safety First

Our mission is always to provide our passengers with the very best Great Barrier Reef experience.

Queensland, Australia, has some of the strictest scuba diving rules globally.   We are regulated by the Queensland Government Code of Practice and comply with all regulations.

We strongly recommend that all of our passengers complete our dive medical questionnaire before booking, as some medical conditions, age, and medications may prevent you from scuba diving.

Medical Questionnaire

We are happy to help you with any questions you may have.   Please contact our office on 07 4037 2700 or email us.

Alternatively, you may like to consult your Doctor for a Dive Medical using the Australian Standard Forms’ AS.4005.1

Flying after Scuba Diving

For a single no decompression scuba dive, you should not fly or go to altitude for at least 18 hours after a scuba dive.  You should not fly for 24 hours after your last dive for multiple dives.

If Skydiving or Hot Air Ballooning, you must wait 24 hours after your dive.
We recommend waiting a minimum of 24 hours whenever possible.


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