Sleepy Island

Cass County, Minnesota — DOW #11045600

7 Surveys
15.3
Acres
23 ft
Max Depth
0
4
Fish Species
25
Local Guides

DNR Fish Surveys

Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Sleepy Island. Green = above normal range. Red = below normal.

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
1992-06-08 Standard trap nets 20.2 (above normal) 0.5 – 3.3 0.11 lb 182
1992-06-08 Standard gill nets 17.0 (normal) 1.5 – 20.5 0.08 lb 34

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
1992-06-08 Standard gill nets 5.5 (normal) 2.5 – 7.8 4.04 lb 11
1992-06-08 Standard trap nets 0.7 2.60 lb 6

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
1992-06-08 Standard trap nets 139.6 (above normal) 4.3 – 32.8 0.14 lb 1256
1992-06-08 Standard gill nets 6.0 0.20 lb 12

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1992-06-08 Standard gill nets 1.0 (normal) 0.5 – 2.0 2.65 lb 2

Depth Maps & Lake Info

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Map & Directions

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Nearby Bait & Tackle

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Resorts & Lodges Near Sleepy Island

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Fish Species

Species known to inhabit Sleepy Island. Click any species for a full fishing guide.

BluegillNorthern PikeWhite SuckerYellow Perch

Fishing Guides Near Sleepy Island

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Other Lakes in Cass County

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Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026. Learn how we maintain this data.