Seven Island Lake

Seven Island Lake

Size
136ac
Boat Launch
Yes
Carry-in Launch
No
Toilet
No
Boat Dock
No
Species in Seven Island Lake
Perch
Perch
Smallmouth bass
Smallmouth bass
Bluegill
Bluegill
Walleye
Walleye
Rock bass
Rock bass
Largemouth bass
Largemouth bass
Crappie
Crappie
Muskellunge
Muskellunge
Pumpkinseed
Pumpkinseed
Northern pike
Northern pike
Tiger muskellunge
Tiger muskellunge

Overview

Seven Island Lake 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.

Special Waterbody Regulations

  • Catch and release fishing for largemouth and smallmouth bass is open year round unless otherwise noted. Motor Trolling is allowed with 1 hook, bait, or lure per angler, and 3 hooks, baits, or lures maximum per boat.

Special Species Regulations

  • Walleye, Saugers, and Hybrids: May 3, 2025 to March 1, 2026: The minimum length is 15”, but walleye, sauger, and hybrids from 20” to 24” may not be kept, and only 1 fish over 24” is allowed. The daily bag limit is 3
  • Panfish: Open all year: No minimum length limit and the daily bag limit is 25
  • Walleye: See Walleye, Sauger, and Hybrids.
  • Urban waters gamefish: This waterbody is not considered an urban water, Urban Waters Gamefish regulations do not apply.
  • Shortnose gar: See Rough Fish.
  • Sauger and hybrids: See Walleye, Sauger, and Hybrids.
  • Longnose gar: See Rough Fish.
  • Hybrid, Striped, Yellow, and White Bass: See Rock, Yellow and White Bass.
  • Flathead catfish: See Catfish.
  • Crappies: See Panfish.
  • Channel catfish: See Catfish.
  • Bowfin: See Rough Fish.
  • Bluegill: See Panfish.
  • White perch: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
  • Trout and salmon: See Trout regulations layer.
  • Shovelnose sturgeon: Closed. No fishing allowed.
  • Ruffe: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
  • Round goby: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
  • Rough fish: Open all year: No minimum length limit and the daily bag limit is unlimited
  • Rock, Yellow, and White Bass: Open all year: No minimum length limit and the daily bag limit is unlimited
  • Paddlefish: Closed. No fishing allowed.
  • Smallmouth bass: May 3, 2025 to June 20, 2025: Fish may not be harvested (catch and release only)
  • Largemouth bass: May 3, 2025 to June 20, 2025: The minimum length limit is 14” and the daily bag limit is 5
  • Largemouth bass and smallmouth bass: June 21, 2025 to March 1, 2026: The minimum length limit is 14” and the daily bag limit is 5
  • Northern pike: May 3, 2025 to March 1, 2026: No minimum length limit and the daily bag limit is 5
  • Muskellunge and hybrids: May 24, 2025 to December 31, 2025: The minimum length limit is 40” and the daily bag limit is 1
  • Lake sturgeon: Closed. No fishing allowed.
  • Cisco and whitefish: Open all year: No minimum length limit and the daily bag limit is 10
  • Catfish: Open all year: No minimum length limit and the daily bag limit is 10
  • Bullheads: Open all year: No minimum length limit and the daily bag limit is unlimited
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Fish Species

Bluegill
fish
5-10 in
Length Range
7 in
Length Range
2024
Surveyed
Abundance (CPUE)
Low
2024
Surveyed
Trapnet
Catch Method
0.5377
0Statewide Range26.8087

Seven Island Lake 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
2018
Jun
2024
Apr
Crappie
fish
5-10 in
Length Range
7 in
Length Range
2024
Surveyed
Abundance (CPUE)
Low
2024
Surveyed
Trapnet
Catch Method
0.0414
0Statewide Range4.214166666666666

Seven Island Lake 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
2018
Jun
2024
Apr
Largemouth bass
fish
5-10 in
Length Range
7 in
Length Range
2024
Surveyed
Abundance (CPUE)
Below Avg.
2024
Surveyed
Electro
Catch Method
21.7838
0Statewide Range111.1888

Seven Island Lake Largemouth 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
2023
Sep
2024
Apr
Muskellunge
fish
5-10 in
Length Range
7 in
Length Range
2024
Surveyed
Abundance (CPUE)
Below Avg.
2024
Surveyed
Trapnet
Catch Method
0.011
0Statewide Range0.0648

Seven Island Lake Muskellunge 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
2023
May
2024
Apr
Northern pike
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
Perch
fish
5-10 in
Length Range
7 in
Length Range
2024
Surveyed
Abundance (CPUE)
Outlier
2024
Surveyed
Trapnet
Catch Method
1.2436
0Statewide Range0.7271

Seven Island Lake 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
2018
Jun
2024
Apr
Pumpkinseed
fish
5-10 in
Length Range
7 in
Length Range
2024
Surveyed
Abundance (CPUE)
Low
2024
Surveyed
Trapnet
Catch Method
0.0388
0Statewide Range3.0770333333333335

Seven Island Lake 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
2018
Jun
2024
Apr
Rock bass
fish
5-10 in
Length Range
7 in
Length Range
2024
Surveyed
Abundance (CPUE)
Below Avg.
2024
Surveyed
Trapnet
Catch Method
0.2564
0Statewide Range1.625

Seven Island Lake 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
2018
Jun
2024
Apr
Smallmouth bass
fish
5-10 in
Length Range
7 in
Length Range
2024
Surveyed
Abundance (CPUE)
Above Avg.
2024
Surveyed
Electro
Catch Method
9.8644
0Statewide Range80.5292

Seven Island Lake 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
2023
Sep
2024
Apr
Trophy Potential
This lake has a history of supporting trophy sized smallmouth-bass based on past surveys.
Survey YearLargest Fish (in)
201718
Tiger muskellunge
fish
32-33 in
Length Range
33 in
Length Range
2006
Surveyed
Abundance (CPUE)
Unknown
2006
Surveyed
Trapnet
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
Apr
2006
Apr
2006
May
Walleye
fish
5-10 in
Length Range
7 in
Length Range
2024
Surveyed
Abundance (CPUE)
High
2024
Surveyed
Trapnet
Catch Method
0.424
0Statewide Range0.75905

Seven Island Lake 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
2023
Sep
2024
Apr