Sea Lion Lake

Sea Lion Lake

Size
114ac
Boat Launch
Yes
Carry-in Launch
No
Toilet
No
Boat Dock
No
Species in Sea Lion Lake
Bluegill
Bluegill
Largemouth bass
Largemouth bass
Pumpkinseed
Pumpkinseed
Smallmouth bass
Smallmouth bass
Crappie
Crappie
Northern pike
Northern pike
Rock bass
Rock bass
Walleye
Walleye
Perch
Perch
Muskellunge
Muskellunge

Overview

Sea Lion 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

  • Muskellunge and hybrids: May 24, 2025 to December 31, 2025: The minimum length limit is 40” and the daily bag limit is 1
  • 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
  • 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
  • Walleye, Saugers, and Hybrids: May 3, 2025 to March 1, 2026: The minimum length limit is 18” and the daily bag limit is 3
  • Panfish: Open all year: No minimum length limit and the daily bag limit is 15, 15 panfish may be kept, but only 5 of any one species
  • 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)
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Fish Species

Bluegill
fish
2-8 in
Length Range
4 in
Length Range
2021
Surveyed
Abundance (CPUE)
High
2021
Surveyed
Electro
Catch Method
389.7216
0Statewide Range849.0614

Sea Lion 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
2021
Jun
2021
Sep
Trophy Potential
This lake has a history of supporting trophy sized bluegill based on past surveys.
Survey YearLargest Fish (in)
20219
Crappie
fish
5-11 in
Length Range
8 in
Length Range
2021
Surveyed
Abundance (CPUE)
Below Avg.
2021
Surveyed
Trapnet
Catch Method
0.0677
0Statewide Range1.11295

Sea Lion 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
2021
Jun
2021
Jun
Largemouth bass
fish
2-8 in
Length Range
4 in
Length Range
2021
Surveyed
Abundance (CPUE)
Above Avg.
2021
Surveyed
Electro
Catch Method
16.2684
0Statewide Range83.5649

Sea Lion 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
2021
Jun
2021
Sep
Trophy Potential
This lake has a history of supporting trophy sized largemouth-bass based on past surveys.
Survey YearLargest Fish (in)
202121
Muskellunge
fish
34-35 in
Length Range
35 in
Length Range
2021
Surveyed
Abundance (CPUE)
Low
2021
Surveyed
Electro
Catch Method
0.1134
0Statewide Range6.56125

Sea Lion 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
2021
Apr
2021
Jun
Northern pike
fish
2-8 in
Length Range
4 in
Length Range
2021
Surveyed
Abundance (CPUE)
Below Avg.
2021
Surveyed
Electro
Catch Method
1.5252
0Statewide Range16.72075

Sea Lion Lake 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
2021
Apr
2021
Sep
Perch
fish
2-8 in
Length Range
4 in
Length Range
2021
Surveyed
Abundance (CPUE)
Low
2021
Surveyed
Trapnet
Catch Method
0.0017
0Statewide Range0.7271

Sea Lion 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
2021
Jun
2021
Sep
Pumpkinseed
fish
2-8 in
Length Range
4 in
Length Range
2021
Surveyed
Abundance (CPUE)
Above Avg.
2021
Surveyed
Electro
Catch Method
17.1306
0Statewide Range84.67115

Sea Lion 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
2021
Jun
2021
Sep
Rock bass
fish
2-8 in
Length Range
4 in
Length Range
2021
Surveyed
Abundance (CPUE)
Below Avg.
2021
Surveyed
Electro
Catch Method
12.848
0Statewide Range62.50905

Sea Lion 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
2021
Jun
2021
Sep
Smallmouth bass
fish
No survey data
Abundance (CPUE)
No abundance data
0.5084
0Statewide Range80.5292

Sea Lion 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
2021
Apr
2021
Jun
Trophy Potential
This lake has a history of supporting trophy sized smallmouth-bass based on past surveys.
Survey YearLargest Fish (in)
202118
Walleye
fish
2-8 in
Length Range
4 in
Length Range
2021
Surveyed
Abundance (CPUE)
Low
2021
Surveyed
Electro
Catch Method
1.5252
0Statewide Range75.60845

Sea Lion 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
2021
Apr
2021
Sep