---
type: lake
name: "Long Island Lake"
county: "Cook"
nearest_town: "Grand Marais"
lake_type: "lake"
acres: 884
max_depth_ft: 85
latitude: 48.01095
longitude: -90.75794
lake_score: 58
dnr_lake_id: "16046000"
url: https://www.minnelakes.org/lakes/cook-county/long-island-lake
---

# Long Island Lake

Lake in Cook County, Minnesota, near Grand Marais

- **Surface Area**: 884 acres
- **Max Depth**: 85 ft
- **Shoreline**: 23.4 miles
- **Water Clarity**: 9.7 ft
- **Lake Type**: lake
- **Public Access**: Portage access only
- **Lake Score**: 58/100 (composite of public data, not a visitor rating)

## About

Long Island Lake is an 884-acre lake near Grand Marais in Cook County, Minnesota. It reaches 85 feet at its deepest point, and has roughly 23.4 miles of shoreline. DNR surveys put average water clarity at about 9.7 feet. Access is by portage through Superior National Forest; most lakes reached this way lie in or beside the Boundary Waters Canoe Area Wilderness, where an entry permit is required.

Minnesota DNR fisheries surveys list 6 fish species here, including northern pike, smallmouth bass, yellow perch, lake trout, and burbot. The most recent fisheries survey on file dates to 2025.

Public access is by portage — plan on a canoe, kayak or small boat you can hand-launch. 4 campgrounds are mapped close to the shoreline for overnight stays.

## Access

- **Public access**: Portage access only
- **Managed by**: US Forest Service
- **Launch fee**: Permit or fee required
- **Wilderness permit**: BWCAW entry permit required

## Fishing

- **Species on DNR survey**: 6
- **Stocked**: No
- **Last DNR survey**: 2025
- **Special regulations**: No
- **Ice fishing**: Yes

## Activities

Fishing, Ice Fishing, Paddling, Canoe Tripping, Camping

## Amenities

Carry-In Access, Campground

## Fish Species

Northern Pike, Smallmouth Bass, Yellow Perch, Lake Trout, Burbot, White Sucker

## Nearby Lakes

- [Karl Lake](https://www.minnelakes.org/lakes/cook-county/karl-lake) - 0.7 miles, 121 acres
- [Gordon Lake](https://www.minnelakes.org/lakes/cook-county/gordon-lake) - 2.2 miles, 135 acres
- [Davis Lake](https://www.minnelakes.org/lakes/cook-county/davis-lake) - 3 miles, 323 acres
- [Frost Lake](https://www.minnelakes.org/lakes/cook-county/frost-lake) - 3.1 miles, 284 acres
- [Kiskadinna Lake](https://www.minnelakes.org/lakes/cook-county/kiskadinna-lake) - 3.5 miles, 121 acres
- [Cherokee Lake](https://www.minnelakes.org/lakes/cook-county/cherokee-lake) - 3.8 miles, 837 acres

## Links

- [Directions](https://www.google.com/maps/dir/?api=1&destination=48.01095,-90.75794)
- [Minnesota DNR LakeFinder](https://www.dnr.state.mn.us/lakefind/lake.html?id=16046000)
- [All lakes in Cook County](https://www.minnelakes.org/lakes/cook-county)

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