Marathon County Wisconsin Fishing
6 documented fish species across 3 Marathon County lakes.
Panfish
Other Species
Marathon County Fishing Lakes
| Lake | Grade | Clarity | Max Depth | Species |
|---|---|---|---|---|
| Big Bass Lake | B | 6 ft | 13 ft | 3 |
| Pike Lake | C | 5 ft | 34 ft | 4 |
| Big Eau Pleine Southeast Point Lake | NR | 1.5 ft | 46 ft | 4 |
Marathon County water quality
DNR Survey Reports
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- 2025Wisconsin River walleye recruitment survey, 2025Walleye Survey · WI DNR · 2025 (PDF)
- 2024Big Eau Pleine Reservoir comprehensive survey, 2024Comprehensive Survey · WI DNR · 2024 (PDF)
- —Lake DuBay comprehensive survey 2022Comprehensive Survey · WI DNR (PDF)
- —Pike Lake comprehensive survey 2021Comprehensive Survey · WI DNR (PDF)
- —Wadley Lake summer survey 2022Fisheries Survey · WI DNR (PDF)
Where to stay in Marathon County
Top-rated places to stay near Marathon County, Wisconsin
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Frequently Asked Questions
What fish are in Marathon County lakes?
Marathon County, Wisconsin has 6 documented fish species across 3 lakes, including Northern Pike, Panfish, Largemouth Bass, Walleye, Musky.
What is the best-graded fishing lake in Marathon County?
Big Bass Lake holds the highest water-quality grade (B) among Marathon County lakes with a documented fishery.