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LakeQuality

mooneye Lakes in Minnesota

Found in 10 Minnesota lakes

mooneye is a rough-fish species — typically common in productive, nutrient-rich lakes, sometimes treated as a management nuisance by anglers targeting game-fish. 10 lakes carry documentation. mooneye is narrowly distributed — only 10 lakes in Minnesota have a documented record. The constraint is usually habitat: cold water, specific depth profile, or river connection.

Rough-fish-dominant lakes are worth checking the grade on: a rough-fish-heavy fishery often reflects an underlying nutrient-loading problem in the watershed. Cross-reference the mooneye lake list below against the LakeGrade rubric: lakes with both an A or B grade and mooneye documented are the best places to start for recreational targeting.

10
Minnesota Lakes
D
Avg. Grade
0
Grade A Lakes
5
Counties

Best mooneye Lakes in Minnesota

RankLakeCountyGradeClarityDepth
1Lake St. CroixWashingtonB5.2 ft78 ft
2Sand Point LakeSt. LouisC7.5 ft184 ft
3St. Croix LakeWashingtonC8.7 ft78 ft
4Pool of Lake St. CroixWashingtonC4.3 ft78 ft
5Pool on Lake St. CroixWashingtonC5.9 ft78 ft
6Sand Point LakeSt. LouisD6.6 ft184 ft
7Sand Point LakeSt. LouisD5.9 ft184 ft
8Winona LakeWinonaD2.6 ft38 ft
9Pepin LakePepinF3 ft60 ft
10Spring LakeDakotaF2.1 ft17 ft

Frequently Asked Questions

How many Minnesota lakes have mooneye?

mooneye are found in 10 lakes in Minnesota. The average water quality grade of these lakes is D (Poor).

What are the best mooneye lakes in Minnesota?

The best mooneye lakes in Minnesota by water quality are Lake St. Croix, Sand Point Lake, St. Croix Lake, Pool of Lake St. Croix, Pool on Lake St. Croix.

Source: EPA National Aquatic Resource Surveys, 2026.