---
type: lake
name: "Lake Mary"
county: "Douglas"
nearest_town: "Holmes City"
lake_type: "lake"
acres: 2450
max_depth_ft: 40
latitude: 45.82909
longitude: -95.48274
lake_score: 72
dnr_lake_id: "21009200"
url: https://www.minnelakes.org/lakes/douglas-county/lake-mary
---

# Lake Mary

Lake in Douglas County, Minnesota, near Holmes City

- **Surface Area**: 2,450 acres
- **Max Depth**: 40 ft
- **Average Depth**: 17 ft
- **Shoreline**: 11.7 miles
- **Water Clarity**: 5.9 ft
- **Lake Type**: lake
- **Public Access**: 2 public boat launches (concrete)
- **Lake Score**: 72/100 (composite of public data, not a visitor rating)

## About

Lake Mary is a 2,450-acre lake near Holmes City in Douglas County, Minnesota. It reaches 40 feet at its deepest point, with an average depth of about 17 feet, and has roughly 11.7 miles of shoreline. DNR surveys put average water clarity at about 5.9 feet.

Minnesota DNR fisheries surveys list 17 fish species here, including walleye, northern pike, largemouth bass, black crappie, bluegill, and pumpkinseed. The DNR has stocking records for the lake, so check the stocking report for the most recent species and year classes. The most recent fisheries survey on file dates to 2025.

There are 2 public boat launches (concrete surface) managed by the Minnesota DNR. OpenStreetMap shows a swim beach on or beside the lake. 2 campgrounds are mapped close to the shoreline for overnight stays. The lake is listed as infested with zebra mussel — clean, drain and dry your boat and gear before leaving. Ice typically goes out around April 13, based on 51 years of DNR ice-out records.

## Access

- **Public access**: 2 public boat launches (concrete)
- **Managed by**: Minnesota DNR
- **Launch fee**: Free at DNR public water accesses

## Fishing

- **Species on DNR survey**: 17
- **Stocked**: Yes
- **Last DNR survey**: 2025
- **Special regulations**: No
- **Ice fishing**: Yes

## Activities

Fishing, Ice Fishing, Boating, Paddling, Swimming, Camping

## Amenities

Boat Ramp, Swim Beach, Campground

## Fish Species

Walleye, Northern Pike, Largemouth Bass, Black Crappie, Bluegill, Pumpkinseed, Yellow Perch, Tullibee (Cisco), Rock Bass, Black Bullhead, Bowfin, Brown Bullhead, Common Carp, Green Sunfish, Hybrid Sunfish, White Sucker, Yellow Bullhead

## Invasive Species

zebra mussel. Clean, drain and dry boats and gear before leaving.

## Ice-Out

- **Median ice-out**: April 13
- **Years of record**: 51
- **Earliest**: 2016-03-25
- **Latest**: 1979-05-02

## Nearby Lakes

- [Mill Lake](https://www.minnelakes.org/lakes/douglas-county/mill-lake) - 2.9 miles, 451 acres
- [Pocket Lake](https://www.minnelakes.org/lakes/douglas-county/pocket-lake) - 3 miles, 263 acres
- [Grants Lake](https://www.minnelakes.org/lakes/douglas-county/grants-lake) - 3 miles, 177 acres
- [Cook Lake](https://www.minnelakes.org/lakes/douglas-county/cook-lake) - 3.1 miles, 101 acres
- [Lake Andrew](https://www.minnelakes.org/lakes/douglas-county/lake-andrew) - 3.2 miles, 923 acres
- [Blackwell Lake](https://www.minnelakes.org/lakes/douglas-county/blackwell-lake) - 3.6 miles, 307 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=45.82909,-95.48274)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=21009200)
- [All lakes in Douglas County](https://www.minnelakes.org/lakes/douglas-county)

---
*Source: [MinneLakes.org](https://www.minnelakes.org/lakes/douglas-county/lake-mary)*