We track 24 dive operators in Cairns Outer Reefs. 3 teach certification courses (5 PADI). 9 run snorkelling trips. 1 offer accommodation alongside diving. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
The 8 highest-ranked of 24. How Fin Rank works
| Rank | Operator | TripAdvisor | Try dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | Aqua Quest | 4.9(82) | none | $365 | PADI | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.

Fin lists 24 dive operators in Cairns Outer Reefs. 3 of them run certification courses.
PADI is the most common agency (5 centres).
Published try-dive prices we hold range from $98 to $840 USD. Treat these as a guide and confirm with the centre before booking.
1 operator in Cairns Outer Reefs offers accommodation alongside diving.
9 of the 24 operators we track run snorkelling tours.
Operators are sorted by Fin Rank, a 100-point profile strength score: contact details, what they offer, the dive sites they run, their Google reputation, whether the owner has claimed the listing, and whether their own website links to Fin. 0 listings here are owner-verified. The formula is published in full on the Fin Rank page.
Aqua Quest is a modern, high-speed vessel that departs daily from Cairns for outer reef tours to Norman, Saxon, and Hastings Reefs. The boat offers both snorkeling and scuba diving options, including introductory and certified dives, with amenities such as a tropical buffet lunch and air-conditioned decks.

Down Under Diving is a dive centre located in Yorkeys Knob, Queensland, offering PADI courses and Great Barrier Reef trips. They provide a range of diving and snorkeling experiences.
Divers Den is a 5-star PADI dive school based in Cairns that has operated since 1974. They offer day trips and overnight liveaboard experiences to the outer Great Barrier Reef, including sites at Norman Reef, Saxon Reef, and Hastings Reef. The company provides a full range of dive training from beginner courses to professional instructor development.
Reef Magic operates day trips from Cairns to an activity pontoon located on the outer Great Barrier Reef. The operator provides snorkeling equipment, guided snorkel tours, and scuba diving opportunities for guests. The pontoon features a marine biology laboratory, underwater observatory, and glass bottom boat tours.
Blue Dive Port Douglas is a locally owned and operated scuba company that provides privately guided dives and PADI courses on the Great Barrier Reef. The operator offers day trips and private charters for both divers and snorkelers. Their team of professionals conducts training and guided experiences at various outer reef sites.
Silverswift is a high speed catamaran that departs daily from Cairns for trips to the Great Barrier Reef. The operator provides guided scuba diving and snorkelling tours at three different outer reef sites.
Ocean Freedom is a Cairns-based tour operator providing full-day Great Barrier Reef cruises to Upolu Cay and the outer edge of Upolu Reef. The company offers guided snorkeling tours, introductory scuba diving, and certified diving from a 20-meter motor catamaran.
Ocean Spirit Cruises operates a 32-metre sailing catamaran for full-day tours from Cairns to Michaelmas Cay on the Great Barrier Reef. The experience includes snorkelling, optional diving, and wildlife viewing at a protected coral cay and seabird sanctuary.
Frankland Islands Reef Cruises provides day tours to the Frankland Islands within the Cairns Great Barrier Reef region. The operator offers activities including snorkeling, semi-submersible tours, and guided island walks.
| 2 | 4.7(1,011) | 4.5 | none | PADI | Visit |
| 3 | Sunlover Cruises | 4.3(1,306) | none | none | none | Visit |
| 4 | Divers Den Oceanquest | none | none | $840 | PADI | Visit |
| 5 | Reef Magic | none | none | none | none | Visit |
| 6 | Blue Dive Port Douglas | none | none | none | PADI | Visit |
| 7 | Silverswift | none | none | $98 | none | Visit |
| 8 | Ocean Freedom | none | none | $105 | none | Visit |
