---
type: lake
name: "Long Lake"
county: "Isanti"
nearest_town: "Isanti"
lake_type: "lake"
acres: 387
max_depth_ft: 15
latitude: 45.4752
longitude: -93.3458
lake_score: 48
dnr_lake_id: "30007200"
url: https://www.minnelakes.org/lakes/isanti-county/long-lake
---

# Long Lake

Lake in Isanti County, Minnesota, near Isanti

- **Surface Area**: 387 acres
- **Max Depth**: 15 ft
- **Average Depth**: 5 ft
- **Shoreline**: 5.5 miles
- **Water Clarity**: 1.5 ft
- **Lake Type**: lake
- **Public Access**: 2 public boat launches (concrete)
- **Lake Score**: 48/100 (composite of public data, not a visitor rating)

## About

Long Lake is a 387-acre lake near Isanti in Isanti County, Minnesota. It reaches 15 feet at its deepest point, with an average depth of about 5 feet, and has roughly 5.5 miles of shoreline. By surface area it ranks No. 3 among the 14 Isanti County lakes in this directory. DNR surveys put average water clarity at about 1.5 feet, so expect stained or algae-tinted water in summer.

Minnesota DNR fisheries surveys list 15 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 2022.

There are 2 public boat launches (concrete surface) managed by the township and Minnesota DNR. The lake is listed as infested with Eurasian watermilfoil — clean, drain and dry your boat and gear before leaving. Ice typically goes out around April 6, based on 13 years of DNR ice-out records.

## Access

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

## Fishing

- **Species on DNR survey**: 15
- **Stocked**: Yes
- **Last DNR survey**: 2022
- **Special regulations**: No
- **Ice fishing**: Yes

## Activities

Fishing, Ice Fishing, Boating, Paddling

## Amenities

Boat Ramp

## Fish Species

Walleye, Northern Pike, Largemouth Bass, Black Crappie, Bluegill, Pumpkinseed, Yellow Perch, Burbot, Black Bullhead, Bowfin, Common Carp, Green Sunfish, Hybrid Sunfish, White Sucker, Yellow Bullhead

## Invasive Species

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

## Ice-Out

- **Median ice-out**: April 6
- **Years of record**: 13
- **Earliest**: 2016-03-13
- **Latest**: 2013-05-01

## Nearby Lakes

- [Lake Francis](https://www.minnelakes.org/lakes/isanti-county/lake-francis) - 2.3 miles, 269 acres
- [Spectacle Lake](https://www.minnelakes.org/lakes/isanti-county/spectacle-lake) - 7.3 miles, 246 acres
- [Florence Lake](https://www.minnelakes.org/lakes/isanti-county/florence-lake) - 7.5 miles, 135 acres
- [Blue Lake](https://www.minnelakes.org/lakes/isanti-county/blue-lake) - 7.5 miles, 296 acres
- [Green Lake](https://www.minnelakes.org/lakes/isanti-county/green-lake) - 8.2 miles, 833 acres
- [George Lake](https://www.minnelakes.org/lakes/anoka-county/george-lake) - 8.2 miles, 489 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=45.4752,-93.3458)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=30007200)
- [All lakes in Isanti County](https://www.minnelakes.org/lakes/isanti-county)

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