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Best winter flounder lakes in New York

56 New York waters list winter flounder (official records or labelled estimates), 56 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 cold-water inshore flatfish of Northeast harbors — spawning in protected shallows, then settling along mud, sand and channel edges.

1. Lower Bay — 104 ft · Survey depth data · 65% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #1: survey-backed contours receive the ranking's data-quality boost · 1 public access site
2. Great Peconic Bay — 42 ft · Survey depth data · 99% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #2: survey-backed contours receive the ranking's data-quality boost · 3 public access sites
3. Smithtown Bay — 74 ft · Survey depth data · 99% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #3: survey-backed contours receive the ranking's data-quality boost · 1 public access site, 1 carry-in or shore-oriented
4. Napeague Bay — 62 ft · Survey depth data · 97% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #4: survey-backed contours receive the ranking's data-quality boost · 1 public access site
5. Shinnecock Bay — 15 ft · Survey depth data · 99% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #5: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
6. South Oyster Bay — 34 ft · Survey depth data · 93% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #6: survey-backed contours receive the ranking's data-quality boost · 1 public access site
7. Sloop Channel — 48 ft · Survey depth data · 88% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #7: survey-backed contours receive the ranking's data-quality boost · 2 public access sites, 2 carry-in or shore-oriented
8. Hempstead Harbor — 38 ft · Survey depth data · 90% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #8: survey-backed contours receive the ranking's data-quality boost · 3 public access sites
9. Reynolds Channel — 67 ft · Survey depth data · 80% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #9: survey-backed contours receive the ranking's data-quality boost · 1 public access site
10. Huntington Bay — 54 ft · Survey depth data · 87% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #10: survey-backed contours receive the ranking's data-quality boost · 1 public access site
11. Rockaway Inlet — 60 ft · Survey depth data · 91% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #11: survey-backed contours receive the ranking's data-quality boost · 1 public access site
12. Beach Channel — 68 ft · Survey depth data · 82% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #12: survey-backed contours receive the ranking's data-quality boost · 1 public access site
13. Manhasset Bay — 54 ft · Survey depth data · 84% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #13: survey-backed contours receive the ranking's data-quality boost · 1 public access site
14. Eastchester Bay — 40 ft · Survey depth data · 86% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #14: survey-backed contours receive the ranking's data-quality boost · 1 public access site, 1 carry-in or shore-oriented
15. Flanders Bay — 15 ft · Survey depth data · 99% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #15: survey-backed contours receive the ranking's data-quality boost · 3 public access sites, 1 carry-in or shore-oriented
16. Coecles Harbor — 28 ft · Survey depth data · 98% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #16: survey-backed contours receive the ranking's data-quality boost · 1 public access site
17. False Hook Channel — 33 ft · Survey depth data · 88% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #17: survey-backed contours receive the ranking's data-quality boost · 1 public access site
18. Port Jefferson Harbor — 51 ft · Survey depth data · 99% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #18: survey-backed contours receive the ranking's data-quality boost · 1 public access site
19. Lloyd Harbor — 28 ft · Survey depth data · 98% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #19: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
20. Pierhead Channel — 56 ft · Survey depth data · 100% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #20: survey-backed contours receive the ranking's data-quality boost · 1 public access site, 1 carry-in or shore-oriented
21. Bay Ridge Channel — 51 ft · Survey depth data · 100% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #21: survey-backed contours receive the ranking's data-quality boost · 1 public access site
22. Mamaroneck Harbor — 21 ft · Survey depth data · 94% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #22: survey-backed contours receive the ranking's data-quality boost · 1 public access site
23. Northwest Harbor — 40 ft · Survey depth data · 99% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #23: survey-backed contours receive the ranking's data-quality boost · 1 public access site
24. East Rockaway Inlet — 41 ft · Survey depth data · 98% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #24: survey-backed contours receive the ranking's data-quality boost · 1 public access site
25. Fire Island Inlet — 56 ft · Survey depth data · 93% measured · real survey depth contours · Striped Bass, Summer Flounder (Fluke), Winter Flounder, BluefishWhy #25: survey-backed contours receive the ranking's data-quality boost · 2 public access sites

…plus 31 more New York waters holding winter flounder.

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When to fish winter flounder in New York

• Spring 2–18 ft — Fish soft mud, sand and the shallow side of measured channel shoulders with a slow bottom presentation; the exact Setauket assessment identifies spring as the local fishery season.
• Summer 8–30 ft — Most fish favor cooler, deeper water or leave small warm embayments; treat summer marks as low-confidence holding-water searches rather than a dependable bite.
• Fall 6–25 ft — As water cools, probe mud-to-channel transitions slowly and confirm fish locally before repeating a drift.
• Winter 3–20 ft — Winter flounder use protected inshore spawning habitat; use a slow bottom rig and avoid treating a mapped zone as proof of current concentration.

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Winter Flounder elsewhere: Maine · Massachusetts · Connecticut · Nova Scotia