Mary Lake (Hubbard County)
Hubbard County, Minnesota - DNR stocking history, depth and survey data
Minnesota · Minnesota Department of Natural Resources (DNR) · DOW 29028900
Mary Lake (Hubbard County) has no DNR stocking rows in LakeFinder; this page carries its DNR depth, access and survey data.
- Mary Lake (Hubbard County) shows no stocking records in Minnesota DNR LakeFinder as of .
- Maximum depth 41 ft; surface area 56 acres, 19 littoral acres, 1.3 miles of shoreline, per the DNR lake survey.
- Average water clarity (Secchi depth) 12.8 ft.
- Fish species DNR lists here: black crappie, bluegill, brown bullhead, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, rock bass, walleye, white sucker, yellow bullhead, and 1 more.
- 1 public access on the DNR list.
- Most recent DNR fish survey: (standard survey).
- Hubbard County, nearest town Lake Itasca; DNR lake number (DOW) 29028900.
Depth map
Bathymetric contours from the Minnesota DNR lake survey mapped 9/2/1964 (orig map); depths in feet. Simplified for the web; not for navigation.
Public accesses
| Type | Owner | Where |
|---|---|---|
| concrete ramp | Minnesota DNR | North end of lake; 1 to 2 unit parking; state park sticker required |
DNR fish survey, 2025
| Species | Gear | Catch per net | Total catch | Avg lb |
|---|---|---|---|---|
| Largemouth bass | Standard electrofishing | 163.57 | 112 | 0.73 |
| Bluegill | Standard trap nets | 12.25 | 98 | 0.20 |
| Pumpkinseed | Standard trap nets | 2.12 | 17 | 0.22 |
| Hybrid sunfish | Standard trap nets | 1.25 | 10 | 0.27 |
| Northern pike | Standard trap nets | 1.12 | 9 | 1.10 |
| Largemouth bass | Standard trap nets | 0.75 | 6 | 1.82 |
| Black crappie | Standard trap nets | 0.38 | 3 | 0.31 |
| Brown bullhead | Standard trap nets | 0.12 | 1 | 1.51 |
| Green sunfish | Standard trap nets | 0.12 | 1 | 0.05 |
| Northern pike | Standard gill nets | 10.00 | 30 | 1.59 |
| Bluegill | Standard gill nets | 1.00 | 3 | 0.06 |
| Black crappie | Standard gill nets | 0.67 | 2 | 0.26 |
| Yellow bullhead | Standard gill nets | 0.33 | 1 | 0.23 |
| Hybrid sunfish | Standard gill nets | 0.33 | 1 | 0.74 |
| Largemouth bass | Standard gill nets | 0.33 | 1 | 0.18 |
| Pumpkinseed | Standard gill nets | 0.33 | 1 | 0.04 |
| White sucker | Standard gill nets | 0.33 | 1 | 2.46 |
| Bluegill | Special trap nets | 7.92 | 190 | 0.15 |
| Black crappie | Special trap nets | 0.75 | 18 | 0.56 |
| Pumpkinseed | Special trap nets | 0.54 | 13 | 0.19 |
| Hybrid sunfish | Special trap nets | 0.17 | 4 | 0.26 |
| Green sunfish | Special trap nets | 0.08 | 2 | 0.05 |
Catch per net (CPUE) is the DNR survey's count per gill net or trap net set; higher means more of that species were sampled, not a fishing forecast. Top species per gear shown; where we have no verified common name for a DNR code, the code itself is shown.
Mary Lake is a 56-acre lake with a maximum depth of 41 feet located within Itasca State Park on the border of Clearwater and Hubbard Counties. A State Park daily or annual vehicle permit is required. There is a public water access with a concrete ramp and parking for two vehicles/trailers. Mary is an ideal lake to explore from a canoe or kayak with boats available for rent from the park. Special fishing regulations in effect on Mary Lake consist of a reduced 5-fish bag limit for both Black Crappie and sunfish species, and a 14 to 20-inch protected slot limit regulation for Largemouth Bass with one allowed over 20 inches. Statewide fishing regulations apply to all other species in Mary Lake. The lake is managed for Bluegill, Largemouth Bass, and Black Crappie. Bluegill were targeted in an early June survey catching 190 fish over three days. Lengths of captured fish reached 9.7 inches and averaged 5.5 inches. Ten percent of fish measured exceeded 8 inches in length. Largemouth Bass were also targeted early in the spring via night electrofishing and captured 112 in less than 45 minutes of effort. Lengths of those fish reached nearly 18 inches but averaged less than 10 inches. Although not specifically targeted, Black Crappie were captured most effectively in the spring traps nets. Lengths up to 12.8 inches were measured with 65% of the catch exceeding 10 inches. Northern Pike are abundant in Mary Lake. The 2025 catch rate of 10 fish per net was the highest in recent history. Northern Pike had an average size of 19 inches in length and over 1.5 lbs/fish with fish up to nearly 29 inches captured in the survey. Other species of fish captured in the 2025 survey were Brown Bullhead, Green Sunfish, Hybrid Sunfish, Pumpkinseed, Rock Bass, White Sucker, Yellow Bullhead, and Yellow Perch.
Minnesota DNR survey narrative, .
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