WI · ranked by public data
6 Marinette County lakes are at least 50 acres with a current DNR water-clarity reading, out of 245 documented lakes in the county. Updated July 2026.
Marinette County, WI
16 ft water clarity (Aug 2025) · 135 acres, 88 ft max depth · 1 public landing
Marinette County, WI
16 ft water clarity (Jul 2026) · 133 acres, 62 ft max depth · 1 public landing
Marinette County, WI
9.5 ft water clarity (Aug 2023) · 186 acres, 38 ft max depth · 2 public landings
Marinette County, WI
8 ft water clarity (Jun 2023) · 2,398 acres, 51 ft max depth · 4 public landings
Marinette County, WI
5.5 ft water clarity (Nov 2025) · 68 acres, 24 ft max depth · 1 public landing · DNR impairment listed
Marinette County, WI
2.5 ft water clarity (Sep 2025) · 143 acres, 28 ft max depth · 1 public landing
Methodology
FAQ
Gilas Lake — By most recent Secchi reading, Gilas Lake in Marinette County is the clearest monitored lake in Marinette County, with 16 feet of visibility.
Source data: Wisconsin DNR lake and monitoring records as aggregated by LakeList. Figures reflect the most recent documented values, not new surveys — verify access and rules before you go. Lake outlines are shoreline shapes from LakeList and the USGS National Hydrography Dataset; they illustrate a lake's form and are not depth or navigation charts.