Island Lake vs Manitowish Lake
Water quality, depth, fish species, and recreation comparison.
Island Lake and Manitowish Lake both received the same overall water quality grade of A (Excellent). Both are in Vilas County, Wisconsin.
A
Island Lake
Vilas County, Wisconsin
Crystal clear, you can see 30.8 ft down.
A
Manitowish Lake
Vilas County, Wisconsin
Crystal clear, you can see 41.8 ft down.
Side-by-Side Metrics
| Metric | Island Lake | Manitowish Lake |
|---|---|---|
| Overall Grade | A (Excellent) | A (Excellent) |
| Water Clarity | 30.8 ft | 41.8 ft |
| Phosphorus | No data | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 35 ft | 61 ft |
| Surface Area | 865 acres | 496 acres |
| Public Access | Yes | Unknown |
| Fish Species | 6 | 6 |
| Trophic State | oligotrophic | oligotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Both lakes earn the same Grade A. The tiebreakers come down to clarity (Island Lake: 30.8 ft, Manitowish Lake: 41.8 ft) and what you want from the lake. Island Lake matches its peer on species count.