Island Lake Reservoir

Island Lake Reservoir

Size
7,489ac
Boat Launch
Yes
Carry-in Launch
Yes
Toilet
Yes
Boat Dock
Yes
Species in Island Lake Reservoir
Smallmouth bass
Smallmouth bass
Crappie
Crappie
Muskellunge
Muskellunge
Rock bass
Rock bass
Perch
Perch
Bluegill
Bluegill
Pumpkinseed
Pumpkinseed
Walleye
Walleye
Northern pike
Northern pike
Channel catfish
Channel catfish
Largemouth bass
Largemouth bass
Brook trout
Brook trout

Overview

Water levels fluctuate on this reservoir, which makes structure fishing key. Look for suspended schools of baitfish on your electronics because big fish should be nearby.

Island Lake Reservoir Map

Fishing Regulations

Special Fishing regulations: This lake has special fishing regulations that differ from statewide or border water regulations for those species identified below and take precedence. Regulations listed below are currently in place. Visit the fishing regulations page for links to upcoming regulations for specific lakes.

Location: 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

  • Walleye: All from 15-20” must be immediately released. Possession limit 10, only one over 20” allowed in possession.

Forage

Sucker, perch, and various minnow species.
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Fish Species

Bluegill
fish
8-21 in
Length Range
15 in
Length Range
2021
Surveyed
Abundance (CPUE)
Below Avg.
2021
Surveyed
Gillnet
Catch Method
0.1739
0Statewide Range19.6668

Island Lake Reservoir Bluegill abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2016
Jul
2021
Jul
Trophy Potential
This lake has a history of supporting trophy sized bluegill based on past surveys.
Survey YearLargest Fish (in)
202210
202110
20169
Brook trout
fish
No survey data
Abundance (CPUE)
No abundance data
Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
No Survey Data
Channel catfish
fish
8-21 in
Length Range
15 in
Length Range
2021
Surveyed
Abundance (CPUE)
Unknown
2021
Surveyed
NA
Catch Method
Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2016
Jul
2021
Jul
Crappie
fish
8-21 in
Length Range
15 in
Length Range
2021
Surveyed
Abundance (CPUE)
Above Avg.
2021
Surveyed
Gillnet
Catch Method
0.6087
0Statewide Range12.6668

Island Lake Reservoir Crappie abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2016
Jul
2021
Jul
Trophy Potential
This lake has a history of supporting trophy sized crappie based on past surveys.
Survey YearLargest Fish (in)
202214
Largemouth bass
fish
No survey data
Abundance (CPUE)
No abundance data
Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2012
Jul
2016
Jul
Muskellunge
fish
8-21 in
Length Range
15 in
Length Range
2021
Surveyed
Abundance (CPUE)
Unknown
2021
Surveyed
NA
Catch Method
Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2006
Jun
2021
Jul
Trophy Potential
This lake has a history of supporting trophy sized muskellunge based on past surveys.
Survey YearLargest Fish (in)
202250
Northern pike
fish
8-21 in
Length Range
15 in
Length Range
2021
Surveyed
Abundance (CPUE)
Low
2021
Surveyed
Gillnet
Catch Method
0.3913
0Statewide Range19.75

Island Lake Reservoir Northern pike abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2016
Jul
2021
Jul
Perch
fish
8-21 in
Length Range
15 in
Length Range
2021
Surveyed
Abundance (CPUE)
Above Avg.
2021
Surveyed
Gillnet
Catch Method
6.7391
0Statewide Range43.5833

Island Lake Reservoir Perch abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2016
Jul
2021
Jul
Pumpkinseed
fish
8-21 in
Length Range
15 in
Length Range
2021
Surveyed
Abundance (CPUE)
Above Avg.
2021
Surveyed
Gillnet
Catch Method
0.0833
0Statewide Range6.1668

Island Lake Reservoir Pumpkinseed abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2016
Jul
2021
Jul
Rock bass
fish
8-21 in
Length Range
15 in
Length Range
2021
Surveyed
Abundance (CPUE)
High
2021
Surveyed
Gillnet
Catch Method
4.3913
0Statewide Range6.5668

Island Lake Reservoir Rock bass abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2016
Jul
2021
Jul
Smallmouth bass
fish
8-21 in
Length Range
15 in
Length Range
2021
Surveyed
Abundance (CPUE)
High
2021
Surveyed
Gillnet
Catch Method
1.1304
0Statewide Range3.4167

Island Lake Reservoir Smallmouth bass abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2016
Jul
2021
Jul
Trophy Potential
This lake has a history of supporting trophy sized smallmouth-bass based on past surveys.
Survey YearLargest Fish (in)
202220
202120
201618
Walleye
fish
8-21 in
Length Range
15 in
Length Range
2021
Surveyed
Abundance (CPUE)
Low
2021
Surveyed
Gillnet
Catch Method
4.6087
0Statewide Range16.9168

Island Lake Reservoir Walleye abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2016
Jul
2021
Jul
Trophy Potential
This lake has a history of supporting trophy sized walleye based on past surveys.
Survey YearLargest Fish (in)
202231
201628