Mary Lake

Details

DNR lake ID

29028900

County

Hubbard

Surface area

56 acres

Maximum depth

41 feet

Shallow water (littoral) area

19 acres, 33% of the lake

Shoreline

1.3 miles

Average water clarity

12.8 feet (Secchi disk, 2 readings)

Nearest town (DNR)

Lake Itasca

Latest DNR fish survey

June 2025, standard survey

Surveys on record

4, since 1997

Game fish caught in the 2025 survey

bluegill 291, largemouth bass 119, northern pike 39, pumpkinseed 31, black crappie 23, hybrid sunfish 15, green sunfish 3, rock bass 1

Fish species recorded

black crappie, bluegill, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, walleye, yellow perch, and 4 other species

Mary Lake Public Water Access Site

trailer launch, natural ramp, run by DNR Division of Parks and Trails

Special regulation

Black and White Crappie: Daily limit five.

Special regulation

Largemouth and Smallmouth Bass: All from 14-20" must be immediately released. One over 20" allowed in possession.

Special regulation

Sunfish: Daily limit five.

Fish consumption

Follow the statewide guidelines; fish from this lake have not been tested

Size

Under 100 acres

Deepest point

30 to 59 feet

Public access

Yes

Sources

• Minnesota DNR LakeFinder
  Checked September 24, 2026
• Minnesota DNR Public Water Access Sites
  Checked September 24, 2026

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.