2026 regulation year
Lake St. Marys 2026 — Ohio Fishing Regulations
Ohio statewide rules apply unless overridden below.
Last updated
Lake St. Marys carries 2 special-regulation overlays on top of Ohio's 2026 fishing rules — covering Largemouth bass. Verify the agency booklet before launching: in-season changes are not yet wired to this page.
State-level special regulation
No-horsepower-limit largemouth + crappie reservoir; 9 in crappie minimum, 30 / day
Source: Ohio special-water list
Per-species rules on Lake St. Marys
12 in minimum, 5 / day; no-horsepower-limit reservoir
Official source
Ohio Department of Natural Resources — Division of Wildlife publishes the authoritative 2026 Ohio fishing regulations. Special-regulation lakes and rivers are listed in the agency booklet — always verify before fishing.