Snorkel the Great Barrier Reef on this guided cruise starting at Port Douglas. Explore three reef sites at the pristine Opal or Agincourt Reefs and experience diverse marine life.

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'...

• Silversonic Dive & Snorkel
• Agincourt Reef
• Great Barrier Reef

• 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.

Great for beginners, non-swimmers and first-time visitors to Tropical North Queensland cruise to Agincourt Reef from Port Douglas. You can watch fish feeding, go on a snorkeling expedition, try scuba diving, view the coral and marine life on a semi-submersible submarine, and enjoy a tasty buffet lun...

• Quicksilver Cruises
• Agincourt Reef
• Great Barrier Reef

• Wheelchair accessible, Infants and small children can ride in a pram or stroller, Service animals allowed, Public transportation options are available nearby, All areas and surfaces are wheelchair accessible, Suitable for all physical fitness levels, Diving within 48 hours of flying is not recommended. All 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, Minimum age for all diving activities is 12 years, the maximum age is 70 years, Coach transfers are not wheelchair accessible

For a full refund, cancel at least 24 hours before the scheduled departure time.

Great for beginners, non-swimmers and first-time visitors to Tropical North Queensland cruise to Agincourt Reef. You can watch fish feeding, go on a snorkeling expedition, try scuba diving, view the coral and marine life on a semi-submersible submarine, and enjoy a tasty buffet lunch. Transport betw...

• Agincourt Reef
• Great Barrier Reef

• Public transportation options are available nearby, Suitable for all physical fitness levels, Diving within 48 hours of flying is not recommended. All 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, Minimum age for all diving activities is 12 years, the maximum age is 70 years, All diving activities (Ocean Walker and Introductory Dive) for children 14 years and under must be booked directly on the day of travel. Prices listed are cruise only

For a full refund, cancel at least 24 hours before the scheduled departure time.