Port Douglas dive sites

Nursery Bommie (Agincourt Reef)

Stunning 24 m pinnacle draped in fans and soft corals, circled by sharks, barracuda and schooling fish – regarded as…

Sno (Opal Reef)

An all-rounder wall-and-reef-top site with turtles, sharks and a shallow safety-stop reef; recovered coral after…

Castle Rock (Agincourt Reef 1)

A 24 m exposed wall on one side and a sheltered coral garden on the other; one of the better Agincourt sites for sharks…

IslandMax 8 m

Low Isles

Snorkel straight off a coral cay beach with a high chance of turtles, 30 minutes from Port Douglas; historic 1878…

Whaler Point (Agincourt Reef 1)

Coral-rich southern point of Agincourt 1 with sharks, rays and barracuda passing along the edge; easy out-and-back…

Pinnacle/BommieMax 18 m

Bashful Bommie (Opal Reef)

Double-sided bommie with a sea-fan wall on a deep channel, a sheltered clam garden, and a very friendly Maori wrasse.

Pinnacle/BommieMax 16 m

Harry's Bommie (Agincourt Reef 4)

Instructors' favourite garden of pinnacles regularly visited by juvenile grey reef sharks and occasionally mantas.

ReefMax 16 m

Phil's Reef (Agincourt Reef 3)

Huge tiers of plate coral sheltering groper and whitetips; giant clams and cuttlefish on a compact, shallow reef.

Stonehenge (Agincourt Reef 3)

Coral pillars and arches forming swim-throughs, with some of the healthiest hard coral in the Port Douglas area.

DriftMax 20 m

Horseshoe Reef (Agincourt Reef 2)

Drift along a wall covered in shimmering blue fusilier schools with trevally and mackerel hunting through them.

Build your own Port Douglas plan: pick days, level and must-dive sites →

Suggested trip

A 3-day dive trip to Port Douglas

Built from the sites in this region: an easy start, the signature dives, then something deeper or further. Swap days around the weather; the site pages say which winds and swell close each one.

Day 1 · Settle in

Start with the gentler sites while you get used to local conditions and the operator's routine.

Sno (Opal Reef)Reef · Max 18 m · Open Water
Low IslesIsland · Max 8 m · Snorkel/Any

Day 2 · The signature dives

A charter day on the sites people travel to Port Douglas for, including the main wreck.

Nursery Bommie (Agincourt Reef)Pinnacle/Bommie · Max 24 m · Advanced Open Water
Castle Rock (Agincourt Reef 1)Pinnacle/Bommie · Max 24 m · Advanced Open Water

Day 3 · Deeper or further

For divers with the certification and the weather: the deeper walls, pinnacles or less-visited sites of Port Douglas.

The Point (Agincourt Reef 4)Reef · Max 25 m · Advanced Open Water
Coronation Corner (Agincourt Reef 3)Reef · Max 25 m · Advanced Open Water

Dive centres and charters in Port Douglas

All Queensland operators →

Operators recorded as running sites in this region. Each profile lists the specific sites it goes to.

Blue Dive Port Douglas

Listed

TrainingCharter3 services59 sites

Port Douglas · Port Douglas · QLD

A Port Douglas operation focused on small-group training and guided diving on the northern Great Barrier Reef.

bluedive.com.au

Quicksilver Connections

Listed

CharterDestination3 services30 sites

Port Douglas · Port Douglas · QLD

A large-scale Port Douglas reef tourism operation with pontoon-based access to Agincourt Reef, offering diving alongside snorkelling and other reef activities.

quicksilver-cruises.com · (07) 4087 2100

Scuba IQ

Port Douglas · Port Douglas · QLD

scubaiq.com.au · 0404 964 878

59 sites

Tech Dive Academy

Port Douglas · Port Douglas · QLD

Site states it now serves private clients only, not the general public.

tech-dive-academy.com · 0416 934 336

49 sites

Calypso Reef Cruises

Port Douglas · Port Douglas · QLD

Part of Reef Unlimited / Experience Co; outer reef snorkel and dive day trips.

calypsoreefcruises.com · (07) 4099 6999

43 sites

Poseidon

Port Douglas · Port Douglas · QLD

Trades as Poseidon Outer Reef Cruises; part of the Quicksilver Group.

poseidon-cruises.com.au · (07) 4087 2100

30 sites

Wavelength Reef Cruises

Port Douglas · Port Douglas · QLD

Snorkel-only outer reef tours (no scuba).

wavelength.com.au · (07) 4099 5031

26 sites

ABC Reef Safaris

Port Douglas · Port Douglas · QLD

TripAdvisor reviews dated September 2026 (3,500+ reviews); new vessel launched late 2025; based at 3/34 Macrossan St Port Douglas.

abcreefsafaris.com.au · 07 4099 6243

3 sites

OzDive

Port Douglas · Port Douglas · QLD

OZDIVE Pty Ltd; private/charter reef diving from Port Douglas; no phone or address published on site.

ozdive.com

3 sites

Sailaway

Port Douglas · Port Douglas · QLD

Sailing/snorkel catamaran tours (Low Isles, outer reef).

sailawayportdouglas.com · (07) 4099 4200

3 sites

Ocean Safari

Cape Tribulation · Port Douglas · QLD

Based at Cape Tribulation (Daintree), not Port Douglas; snorkel tours.

oceansafari.com.au · (07) 4098 0006

2 sites

Map of Port Douglas dive sites

Click a pin for the site. 15 sites without published coordinates are not shown.

Loading map…

47 pinned sites. Pins marked approximate on their pages show the general area only; not for navigation.

All 62 Port Douglas dive sites

Acropolis (Opal Reef)

A shallow Acropora coral amphitheatre leading onto a nudibranch-rich wall.

Pinnacle/BommieMax 40 mArea view

Advanced Bommie (Agincourt Reef)

Two huge coral towers rising from 40 m with a deep gutter – one of the sharkiest spots on Agincourt.

Deep/Advanced + experienceAdvanced

Anybody's (Agincourt Reef)

Wall dive followed by a winding return through coral-lined alleys.

Pinnacle/BommieMax 22 m

Barracuda Bommie (Agincourt Reef 2)

Circling barracuda school over a coral pinnacle; excellent snorkelling on the shallow garden around it.

Pinnacle/BommieMax 18 m

Bashful Bommie (Opal Reef)

Double-sided bommie with a sea-fan wall on a deep channel, a sheltered clam garden, and a very friendly Maori wrasse.

Batt Reef

Large reef off Port Douglas, notable as the site of Steve Irwin's death in 2006; rarely dived.

Beautiful Mooring (Opal Reef)

Calm snorkel site with delicate staghorn thickets and several species of anemonefish.

Big Brother (Tongue Reef Sister reefs)

Current-swept reef corner with healthy coral, giant clams and big barracuda.

Blue Buoy (Opal Reef)

Reliable turtle encounters plus pipefish and razorfish; can be linked with Wild West.

Blue Lagoon (Agincourt Reef)

A rarely visited, hard-to-reach lagoon dived only in perfect conditions.

Blue Lagoon (Opal Reef)

Calm, shallow lagoon coral gardens visited only on the right tide.

Castle Rock (Agincourt Reef 1)

A 24 m exposed wall on one side and a sheltered coral garden on the other; one of the better Agincourt sites for sharks…

Cathedrals (Opal Reef)

Opal's rarely visited 'Blue Lagoon' with a maze of cathedral-like swim-throughs.

Chinaman Reef

Little-dived mid-shelf reef between Rudder and Opal reefs, an option on private charters.

ReefMax 25 m

Coronation Corner (Agincourt Reef 3)

Clear-water southern corner of Agincourt 3 where sharks and barracuda work the current.

Flower Gardens (St Crispin Reef)

Soft-coral 'flower garden' near St Crispin's southern gap with rabbitfish pairs and nudibranchs.

Deep/Advanced + experienceAdvanced

WallMax 40 m

Gary's Gut (Agincourt Reef 4)

Dramatic 5–40 m wall with large fan corals and soft corals – the deepest dive on Agincourt 4.

Pinnacle/BommieMax 16 m

Harry's Bommie (Agincourt Reef 4)

Instructors' favourite garden of pinnacles regularly visited by juvenile grey reef sharks and occasionally mantas.

DriftMax 25 m

Helm's Deep Drift (Agincourt Reef 2)

Tidal channel drift between Agincourt reefs 2A and 2B with grey reef sharks, turtles and barramundi cod.

DriftMax 20 m

Horseshoe Reef (Agincourt Reef 2)

Drift along a wall covered in shimmering blue fusilier schools with trevally and mackerel hunting through them.

WallMax 30 m

Izzy's Wall (Agincourt Reef 2)

Steep 5–30 m wall with juvenile grey reef sharks and turtles; often run as a drift.

Little Sister (Tongue Reef Sister reefs)

Reef corner with big boulder corals, huge clams and large barracuda holding in the current.

Pinnacle/BommieMax 25 m

Long Bommie (Opal Reef)

Satellite bommie from 25 m where plate corals are recovering from cyclone damage.

IslandMax 8 m

Low Isles

Snorkel straight off a coral cay beach with a high chance of turtles, 30 minutes from Port Douglas; historic 1878…

Mackay Reef

Giant clam gardens, big turtles and a white-sand cay on a quiet, exclusive reef.

Mojo (Opal Reef)

Blue staghorn thickets near a reef gap with red bass schools, turtles and reef sharks.

New Seagull (Opal Reef)

Spur-and-groove buttress reef on Opal's ocean face, accessible only on calm wet-season days.

Nobody's (Agincourt Reef)

Wall, fish-covered bommies and a sandpit in one quiet dive.

North Bay (Agincourt Reef)

Shallow coral garden for beginners plus an easy drift along the outer wall for certified divers.

North Sno (Opal Reef)

Open 'moonscape' terrain on North Opal with visibility often exceeding 30 m.

Nursery Bommie (Agincourt Reef)

Stunning 24 m pinnacle draped in fans and soft corals, circled by sharks, barracuda and schooling fish – regarded as…

Phil's Backside (Agincourt Reef)

A massive coral slope and deep bommies with some of the largest giant clams on the Port Douglas reefs.

Phil's Lagoon (Tongue Reef Sister reefs)

Near-enclosed coral lagoon with enormous giant clams, plus a drop-off outside patrolled by grey reef sharks.

ReefMax 16 m

Phil's Reef (Agincourt Reef 3)

Huge tiers of plate coral sheltering groper and whitetips; giant clams and cuttlefish on a compact, shallow reef.

Plato (Opal Reef)

Large coral outcrops in very clear, current-swept water.

Rayban (Opal Reef)

Shallow, coral-rich snorkel site with high fish density.

Rudder Reef

Sloping mid-shelf reef with bommies, cuttlefish, painted crays and baby reef sharks; a weather alternative to the outer…

ReefMax 11 m

Sandbox (Opal Reef)

Shallow staghorn gardens and sand patches with a resident barracuda school – a relaxed final dive.

Sno (Opal Reef)

An all-rounder wall-and-reef-top site with turtles, sharks and a shallow safety-stop reef; recovered coral after…

DriftDepth not published

Sno Bommie (Opal Reef)

Relaxed drift along the sheltered inner slope of North Opal with sharks around the bommie.

Southside (Opal Reef)

Shallow coral shelf dropping into vertical walls and bommies on Opal's south side – a calm-weather site.

Pinnacle/BommieDepth not published

Split Bommie (Opal Reef)

Deep-water bommie with a cleft through it; a macro hotspot for nudibranchs and tiny crustaceans.

St Crispin Reef

Maze of sandy channels between soft-coral mounds – the 'Flower Garden' – on a quiet four-mooring outer reef.

Stonehenge (Agincourt Reef 3)

Coral pillars and arches forming swim-throughs, with some of the healthiest hard coral in the Port Douglas area.

The Chapel (Agincourt Reef 4)

Swim-throughs, dense anemone fields with clownfish, and grey reef sharks on a compact patch reef.

DriftMax 12 m

The Gap (Agincourt Reef 3)

Shallow gutter drift beside a reef wall riddled with grottos; big sweetlips schools and groper.

ReefMax 10 m

The Gardens (Agincourt Reef 2)

Bright, shallow boulder-coral garden with excellent visibility; often done as an effortless drift.

Advanced Open WaterAdvanced

WallMax 30 m

The Point (Agincourt Reef 3)

Shelf-edge point with 30 m+ visibility, a stepped wall dropping into the abyss, and sharks and pelagics working the…

ReefMax 25 m

The Point (Agincourt Reef 4)

Southern point of Agincourt 4 with magnificent coral and big schools of red bass, sweetlips and trevally.

The Rocks (Agincourt Reef)

Easy boulder-coral reef edge with reef sharks resting on the sand.

The Wedge (Opal Reef)

Channel-edge site rated one of Opal's best for coral and fish life.

Pinnacle/BommieMax 20 m

Three Sisters (Agincourt Reef 4)

Three coral bommies close to the mooring surrounded by huge fish schools and young grey reef sharks.

Tongue Reef

Maze-like reef complex whose seaward Sister reefs host Wavelength's exclusive snorkel moorings.

Pinnacle/BommieDepth not publishedArea view

Totem (Agincourt Reef)

A coral spike rising from the seafloor beside an anemone-filled garden.

ReefMax 22 m

Turtle Bay (Agincourt Reef 2)

Sheltered bay with a coral wall and a resident large loggerhead turtle often seen in summer.

Turtle Bay (Tongue Reef Sister reefs)

Named resident green turtles in a bay beside a major reef gap, with occasional hammerheads.

Undine Reef

Shallow coral gardens and a sand cay you can step onto, 25 minutes off Cape Tribulation.

ReefMax 15 m

West End (Agincourt Reef 2)

The largest swim-through caves on Agincourt plus a very large, friendly Maori wrasse.

Whaler Point (Agincourt Reef 1)

Coral-rich southern point of Agincourt 1 with sharks, rays and barracuda passing along the edge; easy out-and-back…

Wild West (Opal Reef)

Small, shallow reef with cuttlefish, rays and turtles that links easily with Blue Buoy.

ReefMax 24 m

Wreck Site (Agincourt Reef 3)

Clear sandy lagoon with 12 m pinnacles and the coral-covered remains of a fishing boat in the shallows.

Your Place (Agincourt Reef)

Out to the reef tip for sharks and turtles, back through a maze of coral ridges.