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Best european flounder lakes in Finland

158 Finland waters list european flounder (official records or labelled estimates), 158 mapped with survey or official-chart depth data. 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 brackish-water flatfish that lies camouflaged on Baltic sand and mud, feeding along channel edges, harbor approaches and shallow banks.

1. Helsinki-Porkkala — North — 165 ft · Survey depth data · 99% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #1: survey-backed contours receive the ranking's data-quality boost · 5 public access sites, 3 carry-in or shore-oriented
2. Ålands Hav Södra — Central East — 709 ft · Survey depth data · 97% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #2: survey-backed contours receive the ranking's data-quality boost · 1 public access site, 1 carry-in or shore-oriented
3. Skiftet Södra — Central West — 227 ft · Survey depth data · 99% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #3: survey-backed contours receive the ranking's data-quality boost · 1 public access site, 1 carry-in or shore-oriented
4. Kotkan-Haminan sisäsaaristo — 78 ft · Survey depth data · 98% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #4: survey-backed contours receive the ranking's data-quality boost · 4 public access sites, 2 carry-in or shore-oriented
5. Lumparn — 97 ft · Survey depth data · 97% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #5: survey-backed contours receive the ranking's data-quality boost · 1 public access site, 1 carry-in or shore-oriented
6. Upinniemenselkä — East — 145 ft · Survey depth data · 99% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #6: survey-backed contours receive the ranking's data-quality boost · 3 public access sites
7. Hangon läntisen selän ulkosaaristoalue — Central West — 244 ft · Survey depth data · 99% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #7: survey-backed contours receive the ranking's data-quality boost · 3 public access sites, 1 carry-in or shore-oriented
8. Bromarv — West — 146 ft · Survey depth data · 97% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #8: survey-backed contours receive the ranking's data-quality boost · 1 public access site
9. Gullkronan selän ulkosaaristoalue — Central — 279 ft · Survey depth data · 99% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #9: survey-backed contours receive the ranking's data-quality boost · 1 public access site
10. Hankoniemi W — South — 241 ft · Survey depth data · 99% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #10: survey-backed contours receive the ranking's data-quality boost · 4 public access sites, 3 carry-in or shore-oriented
11. Hankoniemi — West — 178 ft · Survey depth data · 99% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #11: survey-backed contours receive the ranking's data-quality boost · 5 public access sites, 5 carry-in or shore-oriented
12. Loviisa-Porvoo — Sector 05 — 177 ft · Survey depth data · 99% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #12: survey-backed contours receive the ranking's data-quality boost · 1 public access site, 1 carry-in or shore-oriented
13. Uolionselkä - Tammionselkä — 80 ft · Survey depth data · 96% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #13: survey-backed contours receive the ranking's data-quality boost · 2 public access sites, 1 carry-in or shore-oriented
14. Gullkronan selän ulkosaaristoalue — North East — 227 ft · Survey depth data · 99% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #14: survey-backed contours receive the ranking's data-quality boost · 1 public access site, 1 carry-in or shore-oriented
15. Kotkan edustan sisäsaaristo — 90 ft · Survey depth data · 96% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #15: survey-backed contours receive the ranking's data-quality boost · 2 public access sites, 1 carry-in or shore-oriented
16. Velkuan - Iniön välisaaristo — North West — 169 ft · Survey depth data · 98% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #16: survey-backed contours receive the ranking's data-quality boost · 1 public access site, 1 carry-in or shore-oriented
17. Airisto — 240 ft · Survey depth data · 98% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #17: survey-backed contours receive the ranking's data-quality boost · 2 public access sites, 1 carry-in or shore-oriented
18. Ålands Hav Södra — North — 356 ft · Survey depth data · 97% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #18: survey-backed contours receive the ranking's data-quality boost · 1 public access site
19. Rauman ja Eurajoen saaristo — South — 46 ft · Survey depth data · 97% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #19: survey-backed contours receive the ranking's data-quality boost · 1 public access site, 1 carry-in or shore-oriented
20. Helsinki-Porkkala — North West — 135 ft · Survey depth data · 99% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #20: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
21. Vardskadsudden - Strömma — North — 64 ft · Survey depth data · 96% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #21: survey-backed contours receive the ranking's data-quality boost · 1 public access site
22. Hankoniemi W — North — 260 ft · Survey depth data · 99% official chart · official chart depth contours · Zander, Northern Pike, European Perch, Sea TroutWhy #22: survey-backed contours receive the ranking's data-quality boost · 1 public access site, 1 carry-in or shore-oriented

…plus 136 more Finland waters holding european flounder.

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When to fish european flounder in Finland

• Spring 5–25 ft — Drift or hold bait tight to sand and mud beside a channel; bites are often only extra weight.
• Summer 6–35 ft — Cover broad sand transitions slowly with a bottom rig, especially where a light current crosses the flat.
• Fall 8–40 ft — Work deeper harbor approaches and channel edges as the nearshore water cools.
• Winter 15–50 ft — Most fish hold deeper; present a compact bait slowly on the bottom and expect a sparse bite.

Also in Finland: best zander lakes · best northern pike lakes · best european perch lakes · best brown trout lakes · best landlocked salmon lakes · best lake whitefish lakes · best burbot lakes · best sea trout lakes · best atlantic herring lakes · best vendace lakes · best european smelt lakes · best european whitefish lakes

European Flounder elsewhere: Sweden · Germany · United Kingdom · Norway · France · Netherlands · Ireland · Denmark