Walleye lake, Northern pike lake, Muskie lake, Bass lake, Crappie lake, Sunfish lake

Boy Lake

Zebra musselsPublic access

Boy Lake is a 3,308-acre lake in Cass County, 45 feet at its deepest. The DNR last surveyed its fish in 2025. Recorded species include walleye, northern pike, muskellunge, largemouth bass, smallmouth bass and crappie.

Details

DNR lake ID
11014300
County
Cass
Surface area
3,308 acres
Maximum depth
45 feet
Shallow water (littoral) area
2,007 acres, 61% of the lake
Shoreline
21.6 miles
Average water clarity
8.6 feet (Secchi disk, 8 readings)
Latest DNR fish survey
July 2025, standard survey
Surveys on record
11, since 1984
Game fish caught in the 2025 survey
bluegill 446, northern pike 209, pumpkinseed 80, yellow perch 60, walleye 60, black crappie 32, largemouth bass 26, rock bass 16
Fish species recorded
black crappie, bluegill, hybrid sunfish, largemouth bass, muskellunge, northern pike, pumpkinseed, rock bass, smallmouth bass, walleye, yellow perch, and 10 other species
Boy Lake Public Water Access Site
trailer launch, concrete slab ramp, 1 dock, 10 trailer spaces, toilet, run by DNR Division of Parks and Trails
Infested waters list
zebra mussel
Special regulation, Including connected Swift Lake
Crappie: Daily limit five.
Special regulation, Including connected Swift Lake
Sunfish: Daily limit 10.
Fish consumption
Follow the statewide guidelines; fish from this lake have been tested
Size
2,000 acres or more
Deepest point
30 to 59 feet
Public access
Yes

Sources

Survey catches show what DNR nets and electrofishing found on the survey date, not how the fishing is today. Check the current regulations and the Department of Health advice before you keep fish, and confirm access conditions before you tow a boat.

More in Boy River

All 3 lakes