Eagle Lake vs Island Lake
Water quality, depth, fish species, and recreation comparison.
Eagle Lake reads lower on nutrients and algae than Island Lake. Both are in Hubbard County, Minnesota.
Eagle Lake and Island Lake are both in Minnesota — a same-state head-to-head where the comparison comes down to lake-specific differences in depth, watershed, and monitoring history rather than the broader state-level water-quality regime. The readings are close: Eagle Lake and Island Lake sit within a narrow band of each other on phosphorus, chlorophyll-a and clarity. The per-parameter table below shows where the small differences actually live.
With readings this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.
Eagle Lake
Good clarity, visible to about 11.2 ft.
Island Lake
Good clarity, visible to about 10.5 ft.
Side-by-Side Metrics
| Metric | Eagle Lake | Island Lake |
|---|---|---|
| Water Clarity | 11.2 ft Better | 10.5 ft |
| Phosphorus | 14.5 µg/L Better | 17 µg/L |
| Chlorophyll-a (Algae) | 4.7 µg/L Better | 6.2 µg/L |
| Maximum Depth | 77 ft Better | 65 ft |
| Surface Area | 424 acres | 541 acres |
| Public Access | Yes | Yes |
| Fish Species | 16 | 16 |
| Trophic State | mesotrophic | mesotrophic |
A green ✓ marks the better value for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better). Surface area and trophic state carry no tick — a bigger lake is not a better lake.
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Verdict
Eagle Lake and Island Lake read the same on nutrients and algae overall. The tiebreakers come down to clarity (Eagle Lake: 11.2 ft, Island Lake: 10.5 ft) and what you want from the lake. Eagle Lake matches its peer on species count.
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Where to stay near Eagle Lake and Island Lake
Compare cabins, hotels, and vacation rentals around Eagle Lake and Island Lake. Both lakes are pinned on the map, so you can see which stays sit nearer the one you pick. Switch to Satellite to see how close each is to the water.
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Source: EPA National Aquatic Resource Surveys, 2026.