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Poseidon Cruises

Outer Reef Adventure
  • 3 Spectacular Reef Sites
  • Snorkelling & Certified Diving
Based on 51 ratings
Search Rates for Poseidon Cruises
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Poseidon Cruises Tours

FROM $247 per adult
Cert Dive  
FROM $289 per adult
Intro Dive  
FROM $316 per adult

Poseidon Cruises Info

POSEIDON - Outer Barrier Reef Cruise

Enjoy the freedom of snorkelling at the very best outer reef sites... Poseidon takes you to 3 spectacular sites on the very edge of the Outer Barrier Reef, at the Agincourt Ribbon Reefs.

This ultimate outer reef experience is highly recommended for the most discerning visitor.

What makes it Great:

  • Poseidon caters for Snorkellers, Introductory & Certified Scuba Divers
  • 3 Outer Barrier Reef spectacular destinations
  • Guided snorkel tour with Marine Biologist
  • Swim with Minke Whales - (seasonal)
  • Poseidon has been awarded one of the few permits to swim with Dwarf Minke Whales. These friendly mammals are regularly encountered from May to August, while their larger cousins, the Humpback Whales appear from July to September.

Departure: (Daily)

8.30am Reef Marina (Port Douglas) Return 4.30pm


  • Return Hotel transfers from Port Douglas accommodation
  • Morning and afternoon tea with muffins, fresh fruit and cakes
  • Buffet luncheon including prawns, roast chicken, roast beef, ham, selection of three salads, fresh bread and condiments
  • 3 different reef sites at Agincourt Ribbon Reefs
  • All snorkel equipment and tuition (inc. prescription masks)
  • Guided snorkel tour with Marine Biologist
  • Lycra suits and floatation devices
  • Freshwater showers
  • Environmental Management Charge (EMC) of $6

The vessel features a large air-conditioned main saloon, a spacious top sun deck and wheelhouse salon, and a purpose built rear deck with a lowering transom which makes access to and from the water extremely easy and un-crowded.  Maximum number of 84 passengers if full. 

Scuba Diving - Optional Extra Charges:

Certified Divers can enjoy up to 3 guided dives, using large tanks (75 or 88c + tanks) and dive computers for extended bottom time.

Certified Divers are required to produce their Certification Cards plus complete paperwork once on board. The PADI certified Dive Master will brief divers on the sites, their equipment and safety procedures.

Introductory dives are not offered on Poseidon. 


Medical Conditions - Certain medical conditions, medications, Asthma may preclude some people from diving without a Queensland dive medical.

Restrictions when Flying - You should not go altitude flying within 12 hours of completing or single dive or 18 hours if you have done multiple dives.

Staying in Cairns?  
It is possible to do this daytrip if you are staying in Cairns.  Return transfers Cairns accommodation transfers are available at an additional cost.