Minnesota · ranked from DNR surveys
Best walleye lakes in Isanti County
The DNR has surveyed walleye in 15 lakes in Isanti County. The 7 ranked below are the ones that earn a grade on this site. Grades come from survey catch rates, fish size and trophy history, scored the same way for every lake on the live map.
Green Lake is first at B+. The DNR caught 4.8 walleye per gill net in the 2025 survey, and the biggest was 27 inches. Typo Lake is second at B+, with 11 walleye per gill net in the 2016 survey, and 13% of its walleye measured over 20 inches. Long Lake is third at B, and its biggest walleye was 21 inches.
| # | 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 based on Minnesota DNR survey data: how many fish the DNR caught (scaled by lake size), how many reached quality size, and the biggest fish measured. Each lake's page has the numbers behind its grade. The table shows each lake's most recent survey year.