---
type: lake
name: "Big Marine Lake"
county: "Washington"
nearest_town: "Forest Lake"
lake_type: "lake"
acres: 1799
max_depth_ft: 60
latitude: 45.22079
longitude: -92.85418
lake_score: 69
dnr_lake_id: "82005200"
url: https://www.minnelakes.org/lakes/washington-county/big-marine-lake
---

# Big Marine Lake

Lake in Washington County, Minnesota, near Forest Lake

- **Surface Area**: 1,799 acres
- **Max Depth**: 60 ft
- **Shoreline**: 16.8 miles
- **Water Clarity**: 9.8 ft
- **Lake Type**: lake
- **Public Access**: 3 public boat launches (concrete)
- **Lake Score**: 69/100 (composite of public data, not a visitor rating)

## About

Big Marine Lake is a 1,799-acre lake near Forest Lake in Washington County, Minnesota. It reaches 60 feet at its deepest point, and has roughly 16.8 miles of shoreline. DNR surveys put average water clarity at about 9.8 feet.

Minnesota DNR fisheries surveys list 12 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. Special fishing regulations apply to sunfish, and they override the statewide limits. The most recent fisheries survey on file dates to 2024.

There are 3 public boat launches (concrete surface) managed by the Minnesota DNR and county. OpenStreetMap shows a swim beach on or beside the lake. The lake is listed as infested with Eurasian watermilfoil and zebra mussel — clean, drain and dry your boat and gear before leaving. Ice typically goes out around April 8, based on 5 years of DNR ice-out records.

## Access

- **Public access**: 3 public boat launches (concrete)
- **Managed by**: Minnesota DNR, county
- **Launch fee**: Free at DNR public water accesses

## Fishing

- **Species on DNR survey**: 12
- **Stocked**: Yes
- **Last DNR survey**: 2024
- **Special regulations**: Yes
- **Ice fishing**: Yes

### Special Regulations

- **Sunfish**: Daily limit 10.

## Activities

Fishing, Ice Fishing, Boating, Paddling, Swimming

## Amenities

Boat Ramp, Swim Beach

## Fish Species

Walleye, Northern Pike, Largemouth Bass, Black Crappie, Bluegill, Pumpkinseed, Yellow Perch, Black Bullhead, Brown Bullhead, Green Sunfish, Hybrid Sunfish, Yellow Bullhead

## Invasive Species

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

## Ice-Out

- **Median ice-out**: April 8
- **Years of record**: 5
- **Earliest**: 2026-03-31
- **Latest**: 2014-04-25

## Nearby Lakes

- [Goose Lake](https://www.minnelakes.org/lakes/washington-county/goose-lake) - 3.9 miles, 76 acres
- [Bone Lake](https://www.minnelakes.org/lakes/washington-county/bone-lake) - 4.5 miles, 221 acres
- [Square Lake](https://www.minnelakes.org/lakes/washington-county/square-lake) - 5.1 miles, 203 acres
- [Forest Lake](https://www.minnelakes.org/lakes/washington-county/forest-lake) - 5.8 miles, 2,271 acres
- [Big Carnelian Lake](https://www.minnelakes.org/lakes/washington-county/big-carnelian-lake) - 6.3 miles, 457 acres
- [Spider Lake](https://www.minnelakes.org/lakes/chisago-county/spider-lake) - 7.2 miles, 131 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=45.22079,-92.85418)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=82005200)
- [All lakes in Washington County](https://www.minnelakes.org/lakes/washington-county)

---
*Source: [MinneLakes.org](https://www.minnelakes.org/lakes/washington-county/big-marine-lake)*