Flounder at Kilcoole Beach.

Quick facts

Mark type

Beach

Skill

Beginner

Catalogue rank

Primary target

Why fish Flounder at Kilcoole Beach

Flat shingle beach, great for beginners. Reliable flatfish year-round; codling and coalfish through the colder months.

A long, flat shingle and sand beach stretching south from Kilcoole.

One of the most reliable beginner marks on the Wicklow coast and part of the 11-mile shingle belt that has hosted World and European Surf Casting Championships.

The beach shelves gently and produces flounder, dabs, codling, coalfish and the occasional bass, particularly after autumn storms.

The freshwater outflow at the northern end can concentrate fish in settled conditions.

Short: Flat shingle beach, great for beginners.

Reliable flatfish year-round; codling and coalfish through the colder months.

Estuaries, sandy beaches, muddy creeks and shallow inshore ground, especially around river mouths and drainage outflows.

Mark highlight: Train access. Flat beach, good for beginners.

Flat shingle beach, forgiving for first sessions, reliable flatfish and winter codling when it is calm.

Kilcoole sits inside the 11-mile shingle belt that hosted the 1996 World Surf Casting Championship and the 1997 European Shore Angling Championships, match anglers know this ground intimately.

Two non-obvious patterns from local sources contradict common beginner advice: (1) the falling tide is the documented productive window for the whole shingle belt, not the flooding tide; (2) calm warm conditions bring plaice as close as 30 yards from shore, anglers who default to long casts in flat seas miss them entirely.

Codling is a regular catch here per the Eastern Regional Fisheries Board, not an occasional one.

The Kilcoole stream outflow at the northern end is the singular structural concentration point on an otherwise uniform beach.

Season and tide

On Kilcoole Beach the catalogue season for Flounder is October to March. Coast-wide, Flounder runs Year round (Best October to March on Wicklow beaches and estuaries).

Wider mark season notes: Flounder: October to March, Dab: October to February, Codling: October to February, Coalfish: October to January, Whiting: October to December, Plaice: May to September (close-in calm), Bass: April to November (peak autumn Sep to Nov), Mackerel: June to September (close in)

Tide guidance for this mark: Multi-source consensus for the Greystones-to-Wicklow shingle belt is that these venues fish best on a falling tide, this is the documented local pattern (Eastern Regional Fisheries Board, Planet Sea Fishing). Long casts (~100m) needed in summer; short casts adequate after a storm. Two hours either side of high water remains a viable window for flatfish in settled conditions.

Species tide and time pattern: Two hours either side of high water. The flooding tide pushes flounder onto feeding grounds. Slack water periods produce most bites. Night fishing in autumn and winter is particularly reliable.

Catalogue fishable phases: first-flood, mid-flood, high, first-ebb, mid-ebb. Peak phases: mid-flood, first-ebb.

Tactics on this mark

Fish short with running ledger or two-hook flapper rigs, slowly dragging baits across the bottom on flooding and high water to trigger takes in troughs and around estuary mouths.

Two-hook flapper; Pulley rig; Running ledger; Worm cocktail with spoon attractor (plaice)

Gear class for this mark: open beach. Facing ENE. Confidence HIGH.

• Running ledger with a short 6 to 8 inch hooklink
• Two-hook flapper for covering ground
• Small size 2 to 4 Aberdeen hooks, flounder have small mouths
• Slow retrieve to cover ground after casting
• Two-hook flapper
• Pulley rig
• Running ledger
• Worm cocktail with spoon attractor (plaice)

Baits and lures

Flounder baits and lures: Ragworm; Lugworm; Harbour ragworm; Mussel; Small fish strips.

What this mark typically holds: Lugworm (winter); Ragworm; Peeler crab; Mussel (cold months); Crab + rag tipped with mackerel (summer).

Lugworm (winter); Ragworm; Peeler crab; Mussel (cold months); Crab + rag tipped with mackerel (summer)

Access and ground

Park at Kilcoole train station. Cross the railway at the designated level crossing, wait for trains and follow the signs. Walk south along the shingle for 5 minutes to reach good ground.

Parking: Free parking at Kilcoole train station. Do not block the station entrance.

Safety: The active railway line is the primary hazard, cross only at the designated level crossing and never climb the fences. Soft shingle can be unstable underfoot; wear boots with good ankle support. In rough conditions the wave wash can be deceptive, maintain a safe distance from the water edge.

Nearest tackle: Greystones Fishing Shop (approx. 5km north) is the nearest tackle supplier. Wicklow town has additional options about 15km south.

Nearest town: Kilcoole. Skill level: Beginner.

Size and identification

Typical shore size around 200 to 400 g from Wicklow beaches and estuaries; specimen class from about Fish over 700 g are notable shore flounder.

Brown or grey-brown upper surface with orange-tipped spines along the lateral line. Eyes on the right side. Can develop reddish blotches, easily confused with plaice but lacks the vivid orange spots. The rough, prickly lateral line is the key identification feature.

Tip: Flounder are suckers for movement. Slowly dragging your bait across the bottom and pausing it triggers far more bites than static fishing. In estuaries, cast uptide and allow the bait to trundle downtide, the disturbance in the sand draws flounder in.

Irish shore context: record class around 2.71 kg.

Same-mark companions

Other ranked targets on the same mark include Dab, Codling, Coalfish, Whiting, Plaice, Dogfish. Open those pair pages or the full mark guide when you want a multi-species session.

Live ranked advice for Kilcoole Beach updates on Today's plan. Pair this page with the Flounder species guide for coast-wide season bars and conservation detail.

Conservation

No current restrictions but handle with wet hands and return small fish.

Guide conservation label: No Restrictions.

Confirm current bag limits and closures on the Flounder species guide and /learn/rules before retaining fish.

Next steps

Related article: Winter Flounder Ireland: Beach Marks and Rigs

Live ranked session advice for this mark sits on today's plan. Rules and bag limits: learn / rules.