Island Lake vs Sturgeon Lake
Water quality, depth, fish species, and recreation comparison.
Sturgeon Lake has a higher water quality grade (A, Excellent) than Island Lake (C, Fair). Both are in Pine County, Minnesota.
C
Island Lake
Pine County, Minnesota
Moderate clarity, visible to about 7 ft.
A
Sturgeon Lake
Pine County, Minnesota
Crystal clear, you can see 16 ft down.
Side-by-Side Metrics
| Metric | Island Lake | Sturgeon Lake |
|---|---|---|
| Overall Grade | C (Fair) | A (Excellent) |
| Water Clarity | 7 ft | 16 ft |
| Phosphorus | No data | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 42 ft | 40 ft |
| Surface Area | 526.7 acres | 1.7K acres |
| Public Access | Yes | Yes |
| Fish Species | 13 | 15 |
| Trophic State | mesotrophic | oligotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Sturgeon Lake wins on overall water quality with a Grade A versus Island Lake's Grade C. Water clarity: 16 ft vs 7 ft. For fishing diversity, Sturgeon Lake also leads with 15 species.