Home / Lakes / Island Lake Reservoir Island Lake Reservoir St. Louis County, Minnesota — DOW #69037200
195 Surveys
Special Regulations for Island Lake Reservoir
This lake has regulations that differ from statewide defaults. Always check before fishing.
All from 15-20" must be immediately released. Possession limit 10, only one over 20" allowed in possession. (including Cloquet River from mouth of Island Reservoir upstream 0.5 miles to rapids and Otter River from mouth of Island reservoir upstream to Boulder Reservoir dam) Invasive Species Alert Island Lake Reservoir has confirmed populations of:
Clean, drain, and dry all equipment before moving to another water body. It's the law in Minnesota.
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Island Lake Reservoir.
Green = above normal range. Red = below normal.
Smallmouth Bass Date Gear CPUE Normal Range Avg Weight Total Catch 2022-05-10 Musky trap nets 1.6 — 2.36 lb 361 1989-06-28 Standard gill nets 0.1 (below normal) 0.2 – 0.6 1.15 lb 2 2021-07-06 Survey seining 0.3 — 0.09 lb 3 2021-07-06 Standard gill nets 1.2 (above normal) 0.2 – 0.6 2.17 lb 26 2021-07-06 Standard trap nets 0.5 (above normal) 0.1 – 0.3 1.25 lb 10 2025-09-08 Standard gill nets 1.1 (above normal) 0.2 – 0.6 1.57 lb 25 1994-06-27 Survey seining 0.7 — — 6 1994-06-27 Standard gill nets 0.3 (normal) 0.2 – 0.6 1.57 lb 6 1994-06-27 Standard trap nets 0.1 (normal) 0.1 – 0.3 1.00 lb 5 2023-09-18 Standard gill nets 1.1 (above normal) 0.2 – 0.6 1.19 lb 13 2024-09-06 Standard gill nets 1.1 (above normal) 0.2 – 0.6 1.25 lb 26 2012-07-09 Standard gill nets 1.3 (above normal) 0.2 – 0.6 1.94 lb 30 2012-07-09 Standard trap nets 0.7 (above normal) 0.1 – 0.3 1.51 lb 14 2003-06-30 Standard gill nets 1.1 (above normal) 0.2 – 0.6 1.45 lb 22 2003-06-30 Standard trap nets 0.7 (above normal) 0.1 – 0.3 0.97 lb 14 2016-07-11 Standard gill nets 0.6 (above normal) 0.2 – 0.6 1.55 lb 14 2016-07-11 Standard trap nets 1.6 (above normal) 0.1 – 0.3 1.70 lb 28
Walleye Date Gear CPUE Normal Range Avg Weight Total Catch 2022-05-10 Musky trap nets 4.4 — 1.62 lb 964 1989-06-28 Standard gill nets 10.9 (above normal) 3.6 – 10.8 0.85 lb 317 1989-06-28 Standard trap nets 1.1 (normal) 0.9 – 1.9 1.10 lb 27 2021-07-06 Standard gill nets 6.5 (normal) 3.6 – 10.8 0.69 lb 143 2021-07-06 Standard trap nets 1.5 (normal) 0.9 – 1.9 1.20 lb 30 2025-09-08 Standard gill nets 4.2 (normal) 3.6 – 10.8 0.93 lb 96 1994-06-27 Survey seining 1.3 — — 12 1994-06-27 Standard gill nets 5.7 (normal) 3.6 – 10.8 0.79 lb 137 1994-06-27 Standard trap nets 1.5 (normal) 0.9 – 1.9 1.19 lb 66 2023-09-18 Standard gill nets 3.9 (normal) 3.6 – 10.8 0.93 lb 47 2024-09-06 Standard gill nets 4.6 (normal) 3.6 – 10.8 0.65 lb 106 2012-07-09 Standard gill nets 9.0 (normal) 3.6 – 10.8 0.57 lb 206 2012-07-09 Standard trap nets 2.4 (above normal) 0.9 – 1.9 1.01 lb 47 2003-06-30 Standard gill nets 9.9 (normal) 3.6 – 10.8 0.64 lb 199 2003-06-30 Standard trap nets 1.3 (normal) 0.9 – 1.9 0.80 lb 28 2016-07-11 Standard gill nets 5.7 (normal) 3.6 – 10.8 0.57 lb 131 2016-07-11 Standard trap nets 3.1 (above normal) 0.9 – 1.9 0.68 lb 53
Muskellunge Date Gear CPUE Normal Range Avg Weight Total Catch 2022-05-10 Musky trap nets 0.6 — 17.54 lb 131 2021-07-06 Standard gill nets 0.1 — 3.84 lb 2
Largemouth Bass Date Gear CPUE Normal Range Avg Weight Total Catch 2022-05-10 Musky trap nets 0.1 — 2.76 lb 17 2021-07-06 Survey seining 0.3 — 0.07 lb 3 1994-06-27 Survey seining 0.7 — — 6 2012-07-09 Standard trap nets 0.1 (normal) 0.0 – 1.3 1.32 lb 1 2016-07-11 Standard trap nets 0.3 (normal) 0.0 – 1.3 0.17 lb 5
Bluegill Date Gear CPUE Normal Range Avg Weight Total Catch 2022-05-10 Musky trap nets 0.2 — 0.49 lb 35 1989-06-28 Standard trap nets 0.5 (below normal) 6.8 – 33.1 0.04 lb 12 2021-07-06 Survey seining 12.4 — — 149 2021-07-06 Standard trap nets 0.5 (below normal) 6.8 – 33.1 0.67 lb 10 2025-09-08 Standard gill nets 0.3 — 0.20 lb 7 1994-06-27 Standard trap nets 0.2 (below normal) 6.8 – 33.1 0.34 lb 8 2023-09-18 Standard gill nets 0.1 — 0.35 lb 1 2024-09-06 Standard gill nets 0.2 — 0.17 lb 4 2012-07-09 Standard gill nets 0.1 — 0.16 lb 2 2012-07-09 Standard trap nets 3.3 (below normal) 6.8 – 33.1 0.37 lb 65 2003-06-30 Standard trap nets 0.1 (below normal) 6.8 – 33.1 0.26 lb 2 2016-07-11 Standard gill nets 0.1 — 0.49 lb 2 2016-07-11 Standard trap nets 3.4 (below normal) 6.8 – 33.1 0.52 lb 58
Channel Catfish Date Gear CPUE Normal Range Avg Weight Total Catch 2022-05-10 Musky trap nets 0.1 — 6.05 lb 10 2021-07-06 Standard gill nets 0.1 — 9.30 lb 3 2021-07-06 Standard trap nets 0.1 — 2.06 lb 2 2025-09-08 Standard gill nets 0.1 — 6.95 lb 3 2024-09-06 Standard gill nets 0.0 — 11.63 lb 1 2012-07-09 Standard gill nets 0.1 — 7.33 lb 2 2012-07-09 Standard trap nets 0.1 — 3.55 lb 3 2016-07-11 Standard gill nets 0.3 — 2.58 lb 7 2016-07-11 Standard trap nets 0.1 — 7.44 lb 2
Black Crappie Date Gear CPUE Normal Range Avg Weight Total Catch 2022-05-10 Musky trap nets 2.1 — 0.72 lb 461 1989-06-28 Standard gill nets 0.2 (below normal) 0.2 – 0.8 0.26 lb 5 1989-06-28 Standard trap nets 1.0 (below normal) 1.3 – 2.6 0.37 lb 25 2021-07-06 Standard gill nets 0.1 (below normal) 0.2 – 0.8 0.76 lb 2 2021-07-06 Standard trap nets 1.1 (below normal) 1.3 – 2.6 0.87 lb 22 2025-09-08 Standard gill nets 0.6 (normal) 0.2 – 0.8 0.59 lb 13 1994-06-27 Survey seining 0.7 — — 6 1994-06-27 Standard gill nets 0.1 (below normal) 0.2 – 0.8 1.08 lb 2 1994-06-27 Standard trap nets 0.3 (below normal) 1.3 – 2.6 0.81 lb 15 2023-09-18 Standard gill nets 0.3 (normal) 0.2 – 0.8 0.73 lb 3 2024-09-06 Standard gill nets 0.6 (normal) 0.2 – 0.8 0.67 lb 14 2012-07-09 Standard gill nets 0.6 (normal) 0.2 – 0.8 0.23 lb 14 2012-07-09 Standard trap nets 0.7 (below normal) 1.3 – 2.6 0.66 lb 14 2003-06-30 Standard gill nets 0.1 (below normal) 0.2 – 0.8 0.50 lb 2 2003-06-30 Standard trap nets 0.4 (below normal) 1.3 – 2.6 0.62 lb 9 2016-07-11 Standard gill nets 0.9 (above normal) 0.2 – 0.8 0.11 lb 21 2016-07-11 Standard trap nets 2.5 (normal) 1.3 – 2.6 0.68 lb 43
Black Bullhead Date Gear CPUE Normal Range Avg Weight Total Catch 1989-06-28 Standard trap nets 0.2 — 0.78 lb 4 1989-06-28 Standard gill nets 0.6 (normal) 0.1 – 4.7 1.09 lb 18 2021-07-06 Standard gill nets 0.1 (below normal) 0.1 – 4.7 1.11 lb 1 1994-06-27 Standard trap nets 0.1 — 0.64 lb 5 1994-06-27 Standard gill nets 0.6 (normal) 0.1 – 4.7 0.80 lb 14 2024-09-06 Standard gill nets 0.0 (below normal) 0.1 – 4.7 0.17 lb 1 2012-07-09 Standard trap nets 0.1 — 0.55 lb 2 2012-07-09 Standard gill nets 0.1 (below normal) 0.1 – 4.7 0.74 lb 2 2003-06-30 Standard trap nets 0.3 — 1.15 lb 6 2003-06-30 Standard gill nets 0.8 (normal) 0.1 – 4.7 1.05 lb 15 2016-07-11 Standard gill nets 0.0 (below normal) 0.1 – 4.7 0.42 lb 1
Brook Trout Date Gear CPUE Normal Range Avg Weight Total Catch 1989-06-28 Standard gill nets 0.0 — 0.80 lb 1
Yellow Perch Date Gear CPUE Normal Range Avg Weight Total Catch 1989-06-28 Standard trap nets 3.5 (normal) 2.2 – 8.5 0.13 lb 83 1989-06-28 Standard gill nets 11.1 (above normal) 1.4 – 6.8 0.25 lb 322 2021-07-06 Standard trap nets 0.8 (below normal) 2.2 – 8.5 0.17 lb 17 2021-07-06 Survey seining 2.3 — — 27 2021-07-06 Standard gill nets 12.2 (above normal) 1.4 – 6.8 0.22 lb 268 2025-09-08 Standard gill nets 5.7 (normal) 1.4 – 6.8 0.30 lb 132 1994-06-27 Standard trap nets 0.8 (below normal) 2.2 – 8.5 0.29 lb 37 1994-06-27 Survey seining 116.4 — — 1048 1994-06-27 Standard gill nets 9.9 (above normal) 1.4 – 6.8 0.33 lb 238 2023-09-18 Standard gill nets 8.9 (above normal) 1.4 – 6.8 0.28 lb 107 2024-09-06 Standard gill nets 6.7 (normal) 1.4 – 6.8 0.32 lb 155 2012-07-09 Standard trap nets 1.4 (below normal) 2.2 – 8.5 0.20 lb 27 2012-07-09 Standard gill nets 8.1 (above normal) 1.4 – 6.8 0.33 lb 186 2003-06-30 Standard gill nets 7.3 (above normal) 1.4 – 6.8 0.33 lb 147 2016-07-11 Standard trap nets 0.7 (below normal) 2.2 – 8.5 0.27 lb 11 2016-07-11 Standard gill nets 9.4 (above normal) 1.4 – 6.8 0.26 lb 216
Northern Pike Date Gear CPUE Normal Range Avg Weight Total Catch 1989-06-28 Standard gill nets 1.7 (normal) 1.1 – 2.4 2.61 lb 48 1989-06-28 Standard trap nets 0.5 — 2.42 lb 11 2021-07-06 Standard gill nets 1.6 (normal) 1.1 – 2.4 2.15 lb 36 2021-07-06 Standard trap nets 1.1 — 1.50 lb 21 2021-07-06 Survey seining 0.2 — 0.11 lb 2 2025-09-08 Standard gill nets 0.6 (below normal) 1.1 – 2.4 1.33 lb 14 1994-06-27 Standard gill nets 1.5 (normal) 1.1 – 2.4 1.53 lb 37 1994-06-27 Standard trap nets 0.4 — 2.03 lb 16 1994-06-27 Survey seining 0.1 — — 1 2023-09-18 Standard gill nets 0.8 (below normal) 1.1 – 2.4 1.90 lb 9 2024-09-06 Standard gill nets 0.4 (below normal) 1.1 – 2.4 2.50 lb 9 2012-07-09 Standard gill nets 1.3 (normal) 1.1 – 2.4 2.41 lb 29 2012-07-09 Standard trap nets 1.8 — 1.83 lb 36 2003-06-30 Standard gill nets 3.5 (above normal) 1.1 – 2.4 1.68 lb 69 2003-06-30 Standard trap nets 0.9 — 1.49 lb 18 2016-07-11 Standard gill nets 1.3 (normal) 1.1 – 2.4 2.26 lb 30 2016-07-11 Standard trap nets 0.9 — 1.77 lb 16
Rock Bass Date Gear CPUE Normal Range Avg Weight Total Catch 1989-06-28 Standard gill nets 1.0 (normal) 0.6 – 1.6 0.32 lb 30 1989-06-28 Standard trap nets 1.4 (normal) 1.2 – 4.0 0.20 lb 34 2021-07-06 Standard gill nets 3.0 (above normal) 0.6 – 1.6 0.60 lb 67 2021-07-06 Standard trap nets 2.1 (normal) 1.2 – 4.0 0.54 lb 42 2025-09-08 Standard gill nets 2.7 (above normal) 0.6 – 1.6 0.58 lb 62 1994-06-27 Standard gill nets 0.7 (normal) 0.6 – 1.6 0.50 lb 16 1994-06-27 Standard trap nets 0.5 (below normal) 1.2 – 4.0 0.46 lb 20 2023-09-18 Standard gill nets 3.8 (above normal) 0.6 – 1.6 0.52 lb 45 2024-09-06 Standard gill nets 4.4 (above normal) 0.6 – 1.6 0.61 lb 101 2012-07-09 Standard gill nets 1.7 (above normal) 0.6 – 1.6 0.65 lb 40 2012-07-09 Standard trap nets 2.4 (normal) 1.2 – 4.0 0.60 lb 48 2003-06-30 Standard gill nets 1.5 (normal) 0.6 – 1.6 0.28 lb 30 2003-06-30 Standard trap nets 1.2 (normal) 1.2 – 4.0 0.38 lb 26 2016-07-11 Standard gill nets 1.5 (normal) 0.6 – 1.6 0.75 lb 35 2016-07-11 Standard trap nets 1.1 (below normal) 1.2 – 4.0 0.73 lb 18
Shorthead Redhorse Date Gear CPUE Normal Range Avg Weight Total Catch 1989-06-28 Standard gill nets 0.3 (normal) 0.1 – 1.0 2.90 lb 8 1989-06-28 Standard trap nets 0.0 — 4.20 lb 1 2021-07-06 Standard trap nets 0.1 — 1.93 lb 2 2025-09-08 Standard gill nets 0.3 (normal) 0.1 – 1.0 2.74 lb 8 1994-06-27 Survey seining 0.7 — — 6 1994-06-27 Standard gill nets 0.1 (below normal) 0.1 – 1.0 2.71 lb 2 1994-06-27 Standard trap nets 0.3 — 3.28 lb 12 2023-09-18 Standard gill nets 0.3 (normal) 0.1 – 1.0 3.13 lb 4 2024-09-06 Standard gill nets 0.3 (normal) 0.1 – 1.0 2.28 lb 7 2012-07-09 Standard gill nets 0.1 (below normal) 0.1 – 1.0 3.58 lb 2 2012-07-09 Standard trap nets 0.5 — 3.19 lb 10 2003-06-30 Standard gill nets 0.2 (normal) 0.1 – 1.0 2.16 lb 4 2003-06-30 Standard trap nets 0.2 — 3.24 lb 4 2016-07-11 Standard gill nets 0.1 (below normal) 0.1 – 1.0 2.68 lb 2 2016-07-11 Standard trap nets 0.4 — 2.63 lb 7
Pumpkinseed Date Gear CPUE Normal Range Avg Weight Total Catch 1989-06-28 Standard gill nets 0.1 — 0.15 lb 2 1989-06-28 Standard trap nets 1.3 — 0.09 lb 32 2021-07-06 Standard trap nets 0.7 — 0.07 lb 13 2025-09-08 Standard gill nets 0.3 — 0.16 lb 6 1994-06-27 Standard trap nets 0.2 — 0.65 lb 9 2023-09-18 Standard gill nets 0.1 — 0.24 lb 1 2012-07-09 Standard trap nets 0.6 — 0.30 lb 11 2003-06-30 Standard gill nets 0.1 — 0.24 lb 1 2003-06-30 Standard trap nets 0.2 — 0.35 lb 4 2016-07-11 Standard trap nets 1.1 — 0.22 lb 18
White Sucker Date Gear CPUE Normal Range Avg Weight Total Catch 1989-06-28 Standard gill nets 4.8 (above normal) 1.4 – 3.0 2.08 lb 140 1989-06-28 Standard trap nets 0.1 (normal) 0.1 – 0.7 2.50 lb 3 2021-07-06 Standard gill nets 1.1 (below normal) 1.4 – 3.0 2.15 lb 25 2021-07-06 Standard trap nets 0.7 (normal) 0.1 – 0.7 3.09 lb 13 2025-09-08 Standard gill nets 1.2 (below normal) 1.4 – 3.0 2.43 lb 28 1994-06-27 Survey seining 0.4 — — 4 1994-06-27 Standard gill nets 3.1 (above normal) 1.4 – 3.0 1.85 lb 74 1994-06-27 Standard trap nets 2.3 (above normal) 0.1 – 0.7 2.71 lb 103 2023-09-18 Standard gill nets 1.2 (below normal) 1.4 – 3.0 2.55 lb 14 2024-09-06 Standard gill nets 1.1 (below normal) 1.4 – 3.0 1.92 lb 25 2012-07-09 Standard gill nets 2.4 (normal) 1.4 – 3.0 1.26 lb 56 2012-07-09 Standard trap nets 0.1 (below normal) 0.1 – 0.7 1.18 lb 1 2003-06-30 Standard gill nets 2.5 (normal) 1.4 – 3.0 2.08 lb 51 2003-06-30 Standard trap nets 1.0 (above normal) 0.1 – 0.7 3.10 lb 21 2016-07-11 Standard gill nets 1.9 (normal) 1.4 – 3.0 2.23 lb 43 2016-07-11 Standard trap nets 0.3 (normal) 0.1 – 0.7 1.78 lb 5
Burbot Date Gear CPUE Normal Range Avg Weight Total Catch 1989-06-28 Standard gill nets 0.2 (normal) 0.1 – 0.3 0.58 lb 5 1994-06-27 Standard gill nets 0.1 (below normal) 0.1 – 0.3 0.22 lb 2 2023-09-18 Standard gill nets 0.1 (below normal) 0.1 – 0.3 0.51 lb 1 2012-07-09 Standard gill nets 0.1 (below normal) 0.1 – 0.3 0.13 lb 2 2016-07-11 Standard gill nets 0.0 (below normal) 0.1 – 0.3 0.19 lb 1
Golden Shiner Date Gear CPUE Normal Range Total Catch 2021-07-06 Survey seining 0.2 — 2
Spottail Shiner Date Gear CPUE Normal Range Total Catch 2021-07-06 Survey seining 0.2 — 2 1994-06-27 Survey seining 0.6 — 5
Logperch Date Gear CPUE Normal Range Total Catch 2021-07-06 Survey seining 0.2 — 2 1994-06-27 Survey seining 6.9 — 62
Iowa Darter Date Gear CPUE Normal Range Total Catch 2021-07-06 Survey seining 0.2 — 2
Johnny Darter Date Gear CPUE Normal Range Total Catch 2021-07-06 Survey seining 1.3 — 16 1994-06-27 Survey seining 1.0 — 9
Trout-Perch Date Gear CPUE Normal Range Total Catch 1994-06-27 Survey seining 0.1 — 1
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Fish Species Species known to inhabit Island Lake Reservoir. Click any species for a full fishing guide.
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Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026.
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