Minnesota · ranked from DNR surveys
Best walleye lakes in Isanti County
15 surveyed walleye lakes sit in Isanti County; the 7 ranked here cleared this site's grade rubric, which reads DNR survey catch rates, size structure and trophy history the same way the live map does for every lake.
Green Lake leads at grade B+, with 4.8 walleye per net in gill nets in its 2025 survey and a 27-inch fish the biggest measured. Typo Lake is next at B+, 11 walleye per net in gill nets in its 2016 survey, 13% of the walleye netted over 20 inches. Long Lake rounds out the top three at B, a 21-inch fish the biggest measured.
| # | Lake | Grade | Acres | Survey catch rate | Over 20" | Biggest Surveyed | Avg wt | Surveyed |
|---|---|---|---|---|---|---|---|---|
| 1 | Green Lake | B+ | 833 | 4.8/net in gill nets | 36% | 27" | 2.3 lb | 2025 |
| 2 | Typo Lake | B+ | 298 | 11/net in gill nets | 13% | 23" | 2 lb | 2016 |
| 3 | Long Lake | B | 387 | 7.2/net in gill nets | 8% | 21" | 1.9 lb | 2022 |
| 4 | Blue Lake | B | 296 | 5.3/net in gill nets | 59% | 23" | 2.6 lb | 2025 |
| 5 | Fannie Lake | B− | 360 | 2.5/net in gill nets | 100% | 27" | 4.8 lb | 2022 |
| 6 | Spectacle Lake | C | 246 | 2.3/net in gill nets | 12% | 26" | 1.5 lb | 2022 |
| 7 | Skogman Lake | C− | 228 | 1.3/net in gill nets | 100% | 26" | 4.5 lb | 2022 |
Also ranked in Isanti County: Northern pike · Largemouth bass · Crappie · Bluegill · Yellow perch
All of Minnesota: Best walleye lakes in Minnesota
Grades are this site's rubric over Minnesota DNR survey data (catch per unit effort against DNR benchmarks, size structure, trophy history). See any lake's page for the underlying numbers. Survey years vary by lake; the table shows each lake's latest.