Port Douglas
60 site records refer to this town or area.
Look for operators around Port Douglas →Queensland
Diving in Port Douglas
Port Douglas boats work the Agincourt ribbon reefs on the very edge of the continental shelf, where the water is clearer and the coral generally healthier than on the Cairns day-boat reefs. Sites like Castle Rock, the Nursery Bommie, Barracuda Bommie and the Wreck Site have swim-throughs, pelagics and reliable 20 m-plus visibility. The Low Isles and Opal Reef are closer, shallower options.
Custom YouDive mascot art inspired by Queensland. An imaginative illustration, not a photograph or map of this destination.
Your bearings, in a minute
Port Douglas at a glance
Start with the local site mix, explore the map and find people to ask about your trip.
- Explore
- 62 site records
- Recorded settings
- Reef · Pinnacle/Bommie · Drift
- Map coverage
- 62 locations to explore
- Plan with local help
- Meet the listed operators
Directory counts describe published records, not bookable trips. Location confidence is shown separately in the map list. How we check information →
Sources, authorship and review status
Prepared by YouDive editorial with AI assistance. No firsthand visit, equipment test or instructor review is implied.
Independent specialist review: pending. We publish a reviewer’s name, qualifications, date and exact review scope only after the review has actually happened.
Who can contribute and how reviews work →Find your bearings
Explore Port Douglas on the map
Compare where the recorded sites sit, then open a site to read its access and source notes. Locations are for orientation, not marine navigation or entry instructions.
62 matching records · 62 with a map location · 0 without a usable position.
Acropolis (Opal Reef)
Reef · Not recorded
Approximate area
Advanced Bommie (Agincourt Reef)
Pinnacle/Bommie · 10–40 m
Approximate area
Anybody's (Agincourt Reef)
Reef · Not recorded
Approximate area
Barracuda Bommie (Agincourt Reef 2)
Pinnacle/Bommie · 5–22 m
Approximate area
Bashful Bommie (Opal Reef)
Pinnacle/Bommie · 5–18 m
Approximate area
Batt Reef
Reef · Not recorded
Approximate area
Beautiful Mooring (Opal Reef)
Reef · Not recorded
Approximate area
Big Brother (Tongue Reef Sister reefs)
Reef · Not recorded
Approximate area
Blue Buoy (Opal Reef)
Reef · Not recorded
Approximate area
Blue Lagoon (Agincourt Reef)
Reef · Not recorded
Approximate area
Blue Lagoon (Opal Reef)
Reef · Not recorded
Approximate area
Castle Rock (Agincourt Reef 1)
Pinnacle/Bommie · 5–24 m
Approximate area
The local notebook
Where should you start in Port Douglas?
Use the actual places attached to the local records to narrow your research. These are recorded nearby towns and areas, not verified departure points or accommodation recommendations.
Cape Tribulation / Port Douglas
2 site records refer to this town or area.
Look for operators around Cape Tribulation / Port Douglas →Different outings to look into
| Local example | Recorded nearby place | Recorded access | Follow the evidence |
|---|---|---|---|
| Helm's Deep Drift (Agincourt Reef 2) | Port Douglas | Boat (day trip) | Recorded source ↗ |
| Low Isles | Port Douglas | Boat (day trip) | Recorded source ↗ |
| Advanced Bommie (Agincourt Reef) | Port Douglas | Boat (day trip) | Recorded source ↗ |
| Acropolis (Opal Reef) | Port Douglas | Boat (day trip) | Recorded source ↗ |
How to use this shortlist
Choose the named outing that interests you first. Compare its recorded place and access with your accommodation plans, then obtain the actual meeting address and schedule from the provider. The site links show the underlying depth, location confidence and source notes. Similar town names or map positions do not establish that two outings can be combined in a day.
A closer look at Port Douglas
Get a feel for the diving
Our Port Douglas directory currently includes 62 published site records. The largest recorded category is reef (44 records). Use the mix below to decide what you would like to read about first.
Port Douglas: what’s in the directory?
A visual guide to recorded site types. Counts show coverage, not popularity or current availability.
Source: published YouDive directory records for Port Douglas. Bars use the same scale within this graphic; the longest is the largest category, not 100% of the destination.
A few local records to compare
Start with Helm's Deep Drift (Agincourt Reef 2), Low Isles, Advanced Bommie (Agincourt Reef). These are examples from different recorded categories, not a recommended route or a list of the best sites. Open each record for its sources, map and review notes.
| Site | Recorded type | Access | Depth |
|---|---|---|---|
| Helm's Deep Drift (Agincourt Reef 2) | Drift | Boat (day trip) | 5–25 m |
| Low Isles | Island | Boat (day trip) | 0.5–8 m |
| Advanced Bommie (Agincourt Reef) Details need confirmation | Pinnacle/Bommie | Boat (day trip) | 10–40 m |
| Acropolis (Opal Reef) Details need confirmation | Reef | Boat (day trip) | Depth not recorded |
How the recorded depths compare
A dot shows a recorded maximum. A line joins the recorded minimum and maximum when both are available. These are site descriptions, not target depths or certification limits.
The table above contains the same depth values. Depth alone cannot establish suitability, and records may require correction. Source: the linked site records.
Find your little corner of Queensland
A Queensland dive holiday starts with a more useful question than “Which reef?”: where will your actual day begin? Use the local records below to explore the setting, then connect that idea with a departure and the time you have available.
Choose the outing before the room
A mainland departure, an island stay and a multi-day boat trip have different rhythms. Write down the exact activity you want, who is joining and whether everyone plans to dive. Ask about meeting and return times before building accommodation and transfers around a promotional reef name. On a mixed trip, find out what non-divers can actually book on the same departure.
Give each day a job
Keep arrival, equipment fitting and your main diving outing visible as separate parts of the plan. If you hope to complete training during the trip, put the course schedule alongside the travel schedule. A free morning on a holiday calendar does not establish that a course session or reef departure will fit into it. Leave the unanswered details in your notes until the provider confirms them.
Make room for the unexpected
Compare the value of the whole outing, including guiding, equipment, meals and transfers. Ask what happens if the itinerary changes and which alternatives might be offered. That gives you something practical to compare between quotes. Seasonal research helps you choose dates; the actual departure still depends on current arrangements and the people operating the trip.
Three conversations worth having before you book
Mainland boat day
Which meeting point and return time apply?
Match transport to the actual departure.
Island-based stay
Which transfers and diving are separate bookings?
Keep each booking and payee visible.
Multi-day trip
Which sites are possibilities rather than promises?
Read the itinerary-change terms.
From “that looks lovely” to a plan
Make Port Douglas your kind of dive trip
Find your starting point, meet the local options and keep your ideas together. You do not need to have the whole trip worked out yet.
Where are you on your diving journey?
I’m just getting started
Find out how a first course works, compare your options and get comfortable asking questions.
I’m ready to explore more
Connect your next outing with useful reading and a conversation about the right training and support.
I’m thinking about teaching
Explore the professional pathway and prepare better questions for a training centre.
These are learning paths to explore, not prerequisites for every local site. Confirm the actual course, instructor and your readiness with the provider.
People to talk to about Port Douglas
These profiles are based in the region or have a sourced link to one of its sites. Shown alphabetically, not as a quality ranking. Ask about the specific trip or course you want.
Listed in this region
ABC Reef Safaris
Port Douglas
Open the profile for contact details and recorded services, then ask about current arrangements.
Meet this operator →Listed in this region
Blue Dive Port Douglas
Port Douglas
A Port Douglas operation focused on small-group training and guided diving on the northern Great Barrier Reef.
Meet this operator →Listed in this region
Calypso Reef Cruises
Port Douglas
Open the profile for contact details and recorded services, then ask about current arrangements.
Meet this operator →Listed in this region
Ocean Safari
Cape Tribulation
Open the profile for contact details and recorded services, then ask about current arrangements.
Meet this operator →Let’s put the pieces together
Start with the place and your questions. Add dates and prices once you have spoken with the people running the trip.
Open my trips
Creates a new trip with this destination, useful reading and starter questions. Saved on this browser; export a backup from My trips.
THE LOCAL PLANNING BRIEF
Understand the options around Port Douglas
Keep Port Douglas departure arrangements distinct from Cairns
When comparing northern reef trips, check the actual port rather than relying on a broad Cairns-and-Port-Douglas description. Accommodation, transfers and meeting times can change the practical choice even when the trips sound similar. Ask the operator to describe its proposed itinerary and explain which destinations depend on conditions. If arriving from another town, confirm the road transfer separately rather than assuming it is included in the boat fare.
One useful question: Does this booking depart from Port Douglas, and is transport from our accommodation included?
What this regional directory records Counts describe published records, not bookable trips or confirmed open sites.
There are 62 published site records in Port Douglas. The recorded categories include reef (44), pinnacle/bommie (10), drift (4), wall (3). These categories reflect the database; they are not a ranking, a conditions report or an assessment of your suitability.
Use the Port Douglas site cards to compare recorded access and depth, then open the individual pages for the map accuracy and source notes. Sites grouped in a region are not necessarily close enough to combine in one day.
Research operators in Queensland →Ask before booking
- Which port and vessel will run our trip?
- Is the named reef a likely itinerary or a confirmed destination?
- What changes if our island transfer or boat departure moves?
Save the answers with the contact name and date. Separate confirmed arrangements from items still waiting for a reply.
Record your trip questions →Questions, answered
How do I choose a dive in Port Douglas?
Begin with the individual site and its source notes, then discuss the proposed trip with a local provider. The 62 published records are research options, not a list of trips available today. Match the plan to your training, recent experience and the operator’s current requirements.
When should I visit Port Douglas for diving?
Choose dates with a provider who runs the activity you want, then discuss seasonal patterns, recent conditions and alternative itineraries. A generic best-month claim cannot establish the conditions at your exact site or guarantee a wildlife encounter.
Can I use these maps to enter or navigate a dive site?
No. Recorded and approximate map positions support orientation only. Confirm the exact access, permissions, meeting point and route with the responsible local provider or manager.
Regional planning context: Tourism and Events Queensland — accessing the Great Barrier Reef ↗. Directory counts come from published YouDive records. Individual site claims remain subject to their source and review notes.
Dive sites in this region
Search within Port Douglas, or narrow the list to a recorded dive type. Open a site for its map, sources and access notes.
62 matching site records. Listings do not confirm current access or availability.
QLD
Reef
ReefPort Douglas
Phil's Backside (Agincourt Reef)
A massive coral slope and deep bommies with some of the largest giant clams on the Port Douglas reefs.
QLDReef
ReefPort Douglas
Sandbox (Opal Reef)
Shallow staghorn gardens and sand patches with a resident barracuda school – a relaxed final dive.
QLDReef
ReefPort Douglas
Sno (Opal Reef)
An all-rounder wall-and-reef-top site with turtles, sharks and a shallow safety-stop reef; recovered coral after crown-of-thorns…
QLDReef
ReefPort Douglas
St Crispin Reef
Maze of sandy channels between soft-coral mounds – the 'Flower Garden' – on a quiet four-mooring outer reef.
QLDWall
WallPort Douglas
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 current.
QLDReef
ReefPort Douglas
Undine Reef
Shallow coral gardens and a sand cay you can step onto, 25 minutes off Cape Tribulation.
QLDReef
ReefPort Douglas
Wreck Site (Agincourt Reef 3)
Clear sandy lagoon with 12 m pinnacles and the coral-covered remains of a fishing boat in the shallows.
QLDReef
ReefPort Douglas
Acropolis (Opal Reef)
A shallow Acropora coral amphitheatre leading onto a nudibranch-rich wall.
Details need confirmationQLDPinnacle/Bommie
Pinnacle/BommiePort Douglas
Advanced Bommie (Agincourt Reef)
Two huge coral towers rising from 40 m with a deep gutter – one of the sharkiest spots on Agincourt.
Details need confirmationQLDReef
ReefPort Douglas
Anybody's (Agincourt Reef)
Wall dive followed by a winding return through coral-lined alleys.
Details need confirmationQLDReef
ReefPort Douglas
Batt Reef
Large reef off Port Douglas, notable as the site of Steve Irwin's death in 2006; rarely dived.
Details need confirmationQLDReef
ReefPort Douglas
Beautiful Mooring (Opal Reef)
Calm snorkel site with delicate staghorn thickets and several species of anemonefish.
Details need confirmationQLDReef
ReefPort Douglas
Big Brother (Tongue Reef Sister reefs)
Current-swept reef corner with healthy coral, giant clams and big barracuda.
Details need confirmationQLDReef
ReefPort Douglas
Blue Lagoon (Agincourt Reef)
A rarely visited, hard-to-reach lagoon dived only in perfect conditions.
Details need confirmationQLDReef
ReefPort Douglas
Blue Lagoon (Opal Reef)
Calm, shallow lagoon coral gardens visited only on the right tide.
Details need confirmationQLDReef
ReefPort Douglas
Cathedrals (Opal Reef)
Opal's rarely visited 'Blue Lagoon' with a maze of cathedral-like swim-throughs.
Details need confirmationQLDReef
ReefPort Douglas
Chinaman Reef
Little-dived mid-shelf reef between Rudder and Opal reefs, an option on private charters.
Details need confirmationQLDReef
ReefPort Douglas
Little Sister (Tongue Reef Sister reefs)
Reef corner with big boulder corals, huge clams and large barracuda holding in the current.
Details need confirmationQLDPinnacle/Bommie
Pinnacle/BommiePort Douglas
Long Bommie (Opal Reef)
Satellite bommie from 25 m where plate corals are recovering from cyclone damage.
Details need confirmationQLDReef
ReefPort Douglas
Mojo (Opal Reef)
Blue staghorn thickets near a reef gap with red bass schools, turtles and reef sharks.
Details need confirmationQLDReef
ReefPort Douglas
New Seagull (Opal Reef)
Spur-and-groove buttress reef on Opal's ocean face, accessible only on calm wet-season days.
Details need confirmationQLDReef
ReefPort Douglas
Nobody's (Agincourt Reef)
Wall, fish-covered bommies and a sandpit in one quiet dive.
Details need confirmationQLDReef
ReefPort Douglas
North Bay (Agincourt Reef)
Shallow coral garden for beginners plus an easy drift along the outer wall for certified divers.
Details need confirmationQLDReef
ReefPort Douglas
North Sno (Opal Reef)
Open 'moonscape' terrain on North Opal with visibility often exceeding 30 m.
Details need confirmation