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Poseidon Cruise

Poseidon's high cruising speed takes you to the very outer edge of the Great Barrier Reef, to superb, unspoilt reefs at the Agincourt Ribbon Reef.

Only RAA members can book experiences. Discount has been applied.
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What to expect

Departing from Port Douglas, Poseidon is a 24 metre catamaran offering an exciting boutique adventure, perfect for small groups of experienced divers and confident snorkellers. With access to exclusive remote reef sites, expert marine interpretation and citizen science, guest numbers are capped at 65. Poseidon visits 3 different sites in one day at the stunning Agincourt ribbon reefs. Certified divers can enjoy up to 3 dives and introductory diving is also available. With marine biologist interpretation at each site, snorkellers have the opportunity to participate in a monitoring survey. Poseidon has a special permit allowing guests to swim with dwarf minke whales if encountered.

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What's included

  • Return coach transfers from Port Douglas accommodation.
  • Return Poseidon cruise from Port Douglas.
  • Morning tea, coffee with fresh muffins and focaccia on boarding; afternoon tea with cake and tropical fruit platter.
  • Tropical buffet lunch with prawns.
  • Reef Biosearch marine biologist site brief and interpretation at each reef site
  • Premium snorkelling equipment (mask, snorkel & fins) and instruction provided.
  • Premium dive equipment
  • Lycra suits and flotation devices.
  • Prescription masks available at no extra cost.
  • Qualified lifeguard supervision.

Visit date

Select the date you'd like to visit to check ticket availability.

Note

Boat Refit Days: 27 April 2026 to 10 May 2026, 1 March 2027 to 12 March 2027

Exclusions

  • Due to potential significant volatility in supply & operational costs a surcharge may be applied due to unforeseen circumstances. In such cases any charge will be collected on departure

Extras

  • Introductory Scuba Diving
  • Certified Scuba Diving (including gear)
  • Transfers from Cairns & Port Douglas
  • Professional photographer service onboard

Time

  • Cruise departs from Crystalbrook Superyacht Marina Port Douglas.
  • Boarding commences at 8.15am. Cruises depart at 8.30am and return at 4.30pm.
  • Operating Days: Monday / Wednesday / Friday
  • Poseidon does not operate Christmas Day

What To Bring

  • Your camera
  • Swimming costume and beach towel.
  • Hat, sunscreen and shirt for sun protection.
  • Cash for drinks at the bar, credit card for shopping and additional dives.
  • Underwater digital cameras available for hire.

Product Session Options

Adult 311.6 - price 328 - retailPrice Cruise & Snorkelling
Child (4-14yrs) 226.1 - price 238 - retailPrice Cruise & Snorkelling
Infant (0-3yrs) 0 - price 0 - retailPrice Cruise & Snorkelling

Product Sessions

Cruise & Snorkelling