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Spend a full day aboard the Poseidon visiting three outer Agincourt ribbon reef sites for guided snorkel tours and up to three scuba dives. Learn from a marine biologist, join citizen-science surveys, and experience remote coral gardens accessible from Port Douglas.
Spend a full day aboard the Poseidon visiting three outer Agincourt ribbon reef sites for guided snorkel tours and up to three scuba dives. Learn from a marine biologist, join citizen-science surveys, and experience remote coral gardens accessible from Port Douglas.
Verified experiences and guided adventures in the surrounding area.
Operated by The Quicksilver Group · Port Douglas, Queensland
The Poseidon slips out of Port Douglas at first light, engines steady as the coastline thins and the Coral Sea opens like a vast, blue promise. By mid-morning the catamaran ties to moorings on the outer Agincourt ribbon reefs, and the water invites a confident kick—coral bommies rising beneath glassy surfaces, fish weaving through fingers of staghorn.
moderate.
8 hours.
Moderate fitness: comfortable swimming ability and ability to climb ladders and move on wet decks.
No — certified divers can do up to three dives; introductory dives are available for beginners under instructor supervision.
Roundtrip pickup in Port Douglas, reef briefings and marine interpretation, use of snorkel equipment, buffet lunch, morning and afternoon tea, and environmental charges.
Follow standard dive guidelines: wait at least 12 hours after a single dive and 24 hours after multiple dives before flying to reduce decompression risk.
Operators cancel or reschedule in unsafe conditions; check cancellation terms—full refunds are typically available with 24‑hour notice for this tour.
The ribbon reefs are part of the larger Great Barrier Reef system, an accumulation of coral growth atop submerged continental shelf structures; local Aboriginal and Torres Strait Islander peoples have long-standing cultural ties to coastal waters.
The Great Barrier Reef Marine Park manages access and research permits; visitors are encouraged to follow reef‑safe practices and support local conservation programs.
The Quicksilver Group operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.
Book with The Quicksilver Group
Book directly with The Quicksilver Group for the best rates and real-time scheduling.
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