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Cairns & Port Douglas · Fishing

Species, seasons and spots

Far North Queensland is a fishery in three parts — the outer Ribbon Reefs and Agincourts for reef species and heavy-tackle marlin, Trinity Inlet and the Daintree creeks for barra and jacks, and the inshore shoals for mackerel, GTs and tuna. The most complete tropical fishery on the coast.

8 · Target species

What's biting in Cairns & Port Douglas

Season, where, how, and the rules that keep the fishery healthy.

Species 01
Year-round; best Apr–Nov outside closures.

Coral trout

The northern reef's headline act.

Season
Year-round; best Apr–Nov outside closures.
Where
Outer reef bommies from Green Island north to the Ribbons.
How
Live fusiliers on the bommie edges; heavy plastics and jigs.
Rules
38cm min, bag 5 in combined coral reef fin fish. Closures apply.
Species 02
Year-round; peak May–Sep.

Red emperor

Deep-water gold.

Season
Year-round; peak May–Sep.
Where
Rubble patches in 40–80m off Cairns and Port Douglas.
How
Bait fishing on running sinkers; slow-pitch jigs.
Rules
55cm min, bag 5 in combined coral reef fin fish.
Species 03
Sep–Dec on the Ribbon Reefs.

Black marlin

The world's heavy-tackle capital.

Season
Sep–Dec on the Ribbon Reefs.
Where
Ribbon Reefs 3–10 wide of Port Douglas and Cooktown.
How
Heavy-tackle trolling with skip baits — a game-boat undertaking.
Rules
Catch and release strongly encouraged; the fishery is world-renowned for tag-and-release.
Species 04
Feb–Oct (east coast closure Nov 1 – Feb 1).

Barramundi

Trinity Inlet silver.

Season
Feb–Oct (east coast closure Nov 1 – Feb 1).
Where
Trinity Inlet creeks, Daintree River, Mossman River.
How
Hardbody lures on the snags; live baits on the run-out.
Rules
58–120cm slot, bag 5. Closed Nov 1 – Feb 1.
Species 05
Oct–Apr.

Mangrove jack

The tropical thug.

Season
Oct–Apr.
Where
Trinity Inlet snags, Daintree pontoons, small creek mouths.
How
Live poddies, hardbodies twitched on structure, surface walkers on dusk.
Rules
35cm min, bag 5.
Species 06
Year-round; peak Sep–Apr.

Giant trevally (GT)

Reef-edge freight train.

Season
Year-round; peak Sep–Apr.
Where
Reef edges, headlands, Low Isles and Fitzroy fringes.
How
Stickbaits and poppers on heavy gear; live baits over the reef.
Rules
No minimum in most classes; part of the mixed trevally bag (5).
Species 07
Aug–Dec.

Spanish mackerel

The reef-edge speedster.

Season
Aug–Dec.
Where
Reef edges, Double Island, off Yorkeys Knob.
How
Trolling bibbed minnows and gars; float-lined pilchards on burley.
Rules
75cm min, bag 3. Check current rules.
Species 08
Year-round; peak Oct–Apr.

Mud crab

The Trinity Inlet crown.

Season
Year-round; peak Oct–Apr.
Where
Trinity Inlet, Daintree River, Mossman River.
How
Baited pots checked twice daily. Fresh bait is everything.
Rules
15cm min, bag 10 (males only).
6 · Where to fish

Cairns & Port Douglas's classic grounds

From canal pontoons to the shelf — where the fish live and how locals fish them.

Outer Reef (Norman, Saxon, Hastings)
Spot 01 · reef

Outer Reef (Norman, Saxon, Hastings)

The reef in a day.

The classic day-run reefs east of Cairns — Norman, Saxon and Hastings. Coral trout on the bommies, red emperor deeper, and sweetlip and cobia on the drop-offs. A serious boat and a serious weather window.

Best tide
Neap tides; change of light.
Target species
Coral troutRed emperorSweetlipCobia
Local tip

The bommies fish best on the last of the run-in — the trout push up off the coral to feed.

The Ribbon Reefs
Spot 02 · offshore

The Ribbon Reefs

The world's marlin capital.

The chain of reefs from Cairns north to Lizard Island — Sep–Dec is heavy-tackle season and the world's fleet gathers here to fish for granders. A game-boat undertaking and a lifetime pursuit.

Best tide
N/A — trolling on the reef edge, weather-driven.
Target species
Black marlinYellowfin tunaWahooDogtooth tuna
Local tip

Tag and release is the culture. Photos, tags and stories — the fish swims off.

Trinity Inlet
Spot 03 · creek

Trinity Inlet

The city creek system.

The mangrove-lined estuary that runs south from Cairns — barra on the bigger tides, jacks in the snags, threadfin on the flats, muddies in the pots. A world-class fishery on the doorstep.

Best tide
Last of the run-out into the first of the run-in.
Target species
BarramundiMangrove jackThreadfin salmonMud crab
Local tip

The upper reaches on the neap tides after the wet fire hard — clean water and hungry fish.

Low Isles & The Agincourts
Spot 04 · reef

Low Isles & The Agincourts

The Port Douglas playground.

The reef system off Port Douglas — Low Isles for the inshore, the Agincourts for the outer. Trout, GTs and mackerel through the year, marlin in spring on the shelf.

Best tide
Change of light on the reef edge.
Target species
Coral troutGTSpanish mackerelWahoo
Local tip

The Agincourts fish best in the light morning trades — get out early and be off by lunch.

Daintree River
Spot 05 · estuary

Daintree River

Rainforest barra country.

The tidal reaches of the Daintree — mangrove-lined snags under rainforest canopy. Barra, jacks and threadfin in the classic tropical creek setting. Serious croc country — treat every log as a croc.

Best tide
Top of the tide into the run-out.
Target species
BarramundiMangrove jackThreadfin salmonFingermark
Local tip

Do not clean fish at the water. Do not stand at the edge. This is not the Gold Coast.

Double Island & The Northern Beaches
Spot 06 · bay

Double Island & The Northern Beaches

Inshore mackerel and GT country.

The reef systems and headlands off Palm Cove, Double Island and Yorkeys — mackerel through the run, GTs on the headlands and queenfish surface-feeding on bait balls.

Best tide
Run-in on the reef edges.
Target species
Spanish mackerelGTQueenfishLongtail tuna
Local tip

Watch the bird work — the mackerel push bait against the reef edge on first light.

Seasonal calendar

A year on the water

Summer (Dec–Feb)

Wet season. Barra closed east-coast until Feb 1. Jacks and threadfin in the creeks. Watch for cyclones.

Autumn (Mar–May)

Barra opens. Reef fish switch on as the water cools. Trailing edge of the marlin season.

Winter (Jun–Aug)

Prime reef fishing — coral trout, red emperor, sweetlip. Trade winds strong. Trinity Inlet fires on neaps.

Spring (Sep–Nov)

Marlin season on the Ribbons. Spanish mackerel run inshore. Everything switches on before the wet.

Local rule of thumb
  • Coral reef fin fish closures run four times a year — check the current dates before every reef trip.
  • Trinity Inlet, the Daintree and every creek north of the city is croc country. Do not clean fish at the water. Do not stand at the edge. Do not swim.
  • Barra east-coast closure Nov 1 – Feb 1. Verify the current slot every season.
  • The outer reef and the Ribbons are a serious run. Fuel, weather, EPIRB, comms — no shortcuts.
  • Marlin fishing is tag-and-release. Photos and stories, the fish swims off.
Official rules

Queensland Fisheries

Bag limits, size limits, closures and licences — always check before you go.

Open regulator site