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Best atlantic mackerel lakes in Ireland

81 Ireland waters hold atlantic mackerel, 81 mapped with real state-agency depth surveys. Ranked below by size and depth-data quality, leading with the waters in our reviewed search catalog — open any water to see exactly where to fish it: depth contours, scored spots with plain-English reasons, seasonal windows and bait picks. A fast, schooling pelagic fish that moves along the Northeast coast with cool water and dense concentrations of small bait and plankton.

1. Waterford Harbour — Inner — 135 ft max · survey depth data · Atlantic Herring, European Flounder, Garfish, European SeabassWhy #1: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
2. Dingle Bay — Middle — 122 ft max · survey depth data · European Flounder, Garfish, European Seabass, European PlaiceWhy #2: survey-backed contours receive the ranking's data-quality boost · 3 public access sites
3. Shannon Estuary — Lower — 240 ft max · survey depth data · Sea Trout, Atlantic Herring, European Flounder, GarfishWhy #3: survey-backed contours receive the ranking's data-quality boost · 1 public access site
4. Dingle Bay — West South — 307 ft max · survey depth data · European Flounder, Garfish, European Seabass, European PlaiceWhy #4: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
5. Dingle Bay — West North — 344 ft max · survey depth data · European Flounder, Garfish, European Seabass, European PlaiceWhy #5: survey-backed contours receive the ranking's data-quality boost · 1 public access site
6. Dungarvan Bay — Inner — 242 ft max · survey depth data · Atlantic Herring, European Flounder, Garfish, European SeabassWhy #6: survey-backed contours receive the ranking's data-quality boost · 1 public access site
7. Galway Bay — Aran East South — 273 ft max · survey depth data · European Flounder, Garfish, European Seabass, European PlaiceWhy #7: survey-backed contours receive the ranking's data-quality boost · 3 public access sites
8. Roaringwater Bay — West — 248 ft max · survey depth data · European Flounder, Garfish, European Seabass, European PlaiceWhy #8: survey-backed contours receive the ranking's data-quality boost · 1 public access site
9. Kenmare Bay — Middle — 154 ft max · survey depth data · European Flounder, Garfish, European Seabass, European PlaiceWhy #9: survey-backed contours receive the ranking's data-quality boost · 1 public access site
10. Broadhaven Bay — Middle — 324 ft max · survey depth data · European Flounder, Garfish, European Seabass, European PlaiceWhy #10: survey-backed contours receive the ranking's data-quality boost · 1 public access site
11. Clew Bay — West — 203 ft max · survey depth data · Sea Trout, Atlantic Herring, European Flounder, GarfishWhy #11: survey-backed contours receive the ranking's data-quality boost · 1 public access site
12. Galway Bay — Aran West North — 281 ft max · survey depth data · European Flounder, Garfish, European Seabass, European PlaiceWhy #12: survey-backed contours receive the ranking's data-quality boost · 1 public access site
13. Kenmare Bay — Outer — 260 ft max · survey depth data · European Flounder, Garfish, European Seabass, European PlaiceWhy #13: survey-backed contours receive the ranking's data-quality boost · 1 public access site
14. Tralee Bay — Outer — 139 ft max · survey depth data · Sea Trout, Atlantic Herring, European Flounder, GarfishWhy #14: survey-backed contours receive the ranking's data-quality boost · 1 public access site
15. Donegal Bay — Central West North — 197 ft max · survey depth data · European Flounder, Garfish, European Seabass, European PlaiceWhy #15: survey-backed contours receive the ranking's data-quality boost · 1 public access site
16. Galway Bay — Aran East North — 214 ft max · survey depth data · European Flounder, Garfish, European Seabass, European PlaiceWhy #16: survey-backed contours receive the ranking's data-quality boost · 1 public access site
17. Cork Harbour — West — 147 ft max · survey depth data · Atlantic Herring, European Flounder, Garfish, European SeabassWhy #17: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
18. Clonakilty and Courtmacsherry Bays — Clonakilty — 291 ft max · survey depth data · Atlantic Herring, European Flounder, Garfish, European SeabassWhy #18: survey-backed contours receive the ranking's data-quality boost · 1 public access site
19. Bantry Bay — Inner South — 214 ft max · survey depth data · European Flounder, Garfish, European Seabass, European PlaiceWhy #19: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
20. Dublin Bay — Middle — 109 ft max · survey depth data · Atlantic Herring, European Flounder, Garfish, European SeabassWhy #20: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
21. Roaringwater Bay — East — 300 ft max · survey depth data · European Flounder, Garfish, European Seabass, European PlaiceWhy #21: survey-backed contours receive the ranking's data-quality boost · 1 public access site
22. Roaringwater Bay — Middle — 256 ft max · survey depth data · European Flounder, Garfish, European Seabass, European PlaiceWhy #22: survey-backed contours receive the ranking's data-quality boost · 1 public access site
23. Galway Bay — Central East — 82 ft max · survey depth data · European Flounder, Garfish, European Seabass, European PlaiceWhy #23: survey-backed contours receive the ranking's data-quality boost · 1 public access site
24. Cork Harbour — East — 255 ft max · survey depth data · Atlantic Herring, European Flounder, Garfish, European SeabassWhy #24: survey-backed contours receive the ranking's data-quality boost · 1 public access site
25. Sheephaven Bay — East — 175 ft max · survey depth data · European Flounder, Garfish, European Seabass, European PlaiceWhy #25: survey-backed contours receive the ranking's data-quality boost · 1 public access site

…plus 56 more Ireland waters holding atlantic mackerel.

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When to fish atlantic mackerel in Ireland

• Spring 5–45 ft — Search inlet approaches, current seams and outer points for tight schools; keep a small jig or feather rig above the marks rather than dragging bottom.
• Summer 15–80 ft — In the Gulf of Maine, use sonar over deeper bay approaches and current lines; farther south, many schools have already moved north or offshore.
• Fall 10–65 ft — Cooling water starts the return migration; check harbor mouths and outer channel edges, then follow the school rather than anchoring on yesterday's location.
• Winter 30–120 ft — Most Northeast bay fish are offshore or well south; do not treat a summer harbor location as a dependable winter fishery.

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