Dive Site: Moore Reef

About Moore Reef

Moore Reef is a prominent outer reef destination located approximately 60 kilometers offshore from Cairns, making it one of the most frequently visited areas of the Great Barrier Reef. This site is celebrated for its robust reef health, showing no signs of coral bleaching stress, and is part of the protected Great Barrier Reef World Heritage Area. Its unique maze-like structure, featuring natural channels and passages, gives the 'Labyrinth' section its name and provides an engaging underwater landscape for divers of various skill levels. The topography of Moore Reef typically involves depths ranging from 5 to 30 meters, characterized by extensive hard coral pinnacles, ledges, and caverns that rise from the ocean floor. These formations create diverse habitats for a wide array of reef fish and sessile marine life. While many areas are shallow and beginner-friendly, deeper sections offer encounters with larger pelagic species. Marine life sightings at Moore Reef include blacktip reef sharks, green turtles, and a variety of colorful reef fish. The site is suitable for diving year-round, with conditions generally favorable across all seasons, although specific visibility and water temperature can vary. The reef's consistent health and biodiversity make it a reliable spot for encountering typical Great Barrier Reef species. Diving at Moore Reef often involves boat access from Cairns, with options for day tours that may include pontoon facilities. Divers can expect professional operators providing equipment, briefings, and the choice of guided or unguided dives. Entry methods are typically giant strides from the boat, leading into generally mild current conditions, making for a relaxed and accessible dive experience.

Dive site facts: Moore Reef

Depth

5–30 m

Typical dive

12–25 m

Current

Mild

Visibility

15–25 m

Water temperature

22–29°C

Entry

Boat / Giant stride

Level

Beginner to intermediate

Dive type

Reef, coral gardens, wall

Region / port

Cairns, Outer Great Barrier Reef

Coordinates

16.8758° S, 146.1985° E

Conditions & Currents

Moore Reef generally experiences mild currents, which contributes to its suitability for divers of varying experience levels. As an outer reef site, conditions are influenced by offshore weather, so currents can occasionally intensify with stronger winds or tidal movements, though typically remain manageable. Entry to the water is most commonly a giant stride from a day boat, where divers can expect a relatively calm descent onto the reef. Visibility is generally excellent, often ranging from 15 to 25 meters, but can fluctuate based on weather patterns and plankton blooms. Divers should always heed operator briefings regarding specific site conditions, particularly when planning drift dives in areas where currents might be more pronounced, ensuring appropriate gas planning and buddy procedures are followed.

Marine life & sighting chances

Blacktip reef shark

occasional

Green Turtle

occasional

Angelfish

common

Clownfish

common

Parrotfish

common

Sweetlips

common

Maori Wrasse

occasional

Jacks

occasional

Barracuda

occasional

Trevally

occasional

Dive profile & how the dive runs

Dives at Moore Reef typically begin with a giant stride entry from the day boat, often near a designated mooring or pontoon. Upon descent, divers usually follow a guide or navigate independently through the reef's maze-like structures, which include channels, bommies, and walls. The dive generally progresses along gentle slopes and over coral gardens, maintaining depths between 10 and 20 meters to maximize bottom time and light penetration. Key features like the 'Labyrinth' offer intricate swim-throughs and sheltered areas teeming with smaller reef fish. The turn point is usually dictated by air consumption or time, with a gradual ascent back towards the boat's location. The safety stop is commonly conducted at 5 meters, often near the mooring line or an accessible shallow reef section, allowing for observation of shallower marine life before surfacing.

Underwater photography

Moore Reef offers excellent opportunities for wide-angle and macro photography due to its diverse topography and abundant marine life. For capturing the expansive coral formations and overall reef structure, a wide-angle lens is ideal. You can highlight the vibrant colors of hard and soft corals, as well as capture the occasional reef shark or green turtle cruising by. For smaller subjects, a macro lens will allow you to focus on the intricate details of nudibranchs, clownfish nestled in anemones, and other cryptic reef dwellers. Natural light is generally good in the shallower sections, but strobes are recommended to bring out true colors and reduce backscatter, especially when shooting into shadowed areas or deeper parts of the reef. Practicing excellent buoyancy control is crucial to avoid damaging delicate corals and to maintain stable shots in potentially light currents.

Combine with nearby dive sites

• Milln Reef

  Another popular outer reef site, often visited on day trips from Cairns.

• Pellowe Reef

  Known for outer-reef wall dives and pelagic action, further out from Cairns.

• Flynn Reef

  A diverse outer reef offering a mix of bommies and channels.

• Hastings Reef

  Features extensive coral gardens and abundant fish life.

• Norman Reef

  Offers varied dive sites with good chances for larger marine life.

Getting there & logistics

Access to Moore Reef is predominantly via day boat tours departing from Cairns, Queensland. Cairns International Airport (CNS) serves as the main gateway, with numerous domestic and international flights. The journey from Cairns to the outer reef typically takes between 90 minutes to 2 hours by high-speed catamaran. Many operators offer full-day trips that include multiple dives, snorkel opportunities, and sometimes access to a reef pontoon facility. While specific permits are handled by licensed operators as part of their Great Barrier Reef Marine Park permissions, divers are generally not required to obtain individual permits, though park fees may be included in tour costs. Day trips are the standard, often combining Moore Reef with other nearby outer reef sites, allowing divers to experience a variety of reef environments within a single itinerary.

Safety & environment

For diving at Moore Reef, the nearest recompression chamber is located in Cairns. Evacuation in a medical emergency would typically involve rapid boat transfer back to the mainland, followed by ambulance or helicopter transport to a medical facility. Comprehensive dive insurance, including coverage for medical evacuation and recompression treatment, is highly recommended for all divers. Site-specific hazards are generally low due to the mild currents, but divers should always be aware of potential boat traffic near pontoons and mooring areas. Adherence to Great Barrier Reef Marine Park Authority regulations is mandatory, which includes strict no-touch policies for marine life and corals, proper waste disposal, and following all dive briefing instructions to ensure both diver safety and reef protection.

Who it suits — and who it doesn't

FAQ

Moore Reef FAQ

Liveaboards diving Moore Reef

These liveaboards may visit Moore Reef on selected itineraries — the exact dive sites depend on departure, weather and conditions.

Spoilsport

Australia

28 guests30 m

$406/day

Odyssey Liveaboard

Australia

20 guests24 m

$392/day