Pelagic Game FishIstiompax indica

Black Marlin Fishing

The pinnacle of Australian game fishing. Heavy tackle trolling off the Ribbon Reefs north of Cairns produces the world's best black marlin fishing Sep–Dec.

Best Months

Sep – Nov

Best Time

All-day feeders; activity often peaks mid-morning and mid-afternoon when the bite window opens

Tide

Tide not critical offshore — focus on current edges and temperature breaks regardless of tidal phase

Top Locations

19 regions

How to Catch Black Marlin

All-day feeders; activity often peaks mid-morning and mid-afternoon when the bite window opensTide not critical offshore — focus on current edges and temperature breaks regardless of tidal phaseClear blue water 26°C+

Tides

Tide not critical offshore — focus on current edges and temperature breaks regardless of tidal phase

Time of Day

All-day feeders; activity often peaks mid-morning and mid-afternoon when the bite window opens

Conditions

Clear blue water 26°C+, light SE trade winds, look for colour changes where currents collide

Structure

Blue water 100m+, current seams, floating weed lines and debris, temperature breaks off the continental shelf

Technique

Troll at 7–9 knots; stagger the spread (short corner to shotgun); 'smoke' lures short-short-short when a fish appears behind

Pro Tip

Cairns Ribbon Reefs Sep–Nov is the world's premier heavy-tackle fishery — a grander (1,000lb+) is possible. Book a liveaboard mothership for multi-day reef access.