South Long Lake
Crow Wing County, Minnesota, near Brainerd. DNR lake ID 18013600.
South Long Lake is a 1,309-acre lake in Crow Wing County, Minnesota, near Brainerd. Its deepest point reaches 47 ft, and about 35% of the lake is shallower than 15 feet. Summer water clarity averages 9.1 feet in Minnesota Pollution Control Agency monitoring, which places it in the mesotrophic nutrient class. The DNR lists it for faucet snail, zebra mussel. DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch.
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Quick facts
| DNR lake ID | 18013600 |
|---|---|
| County | Crow Wing County, near Brainerd |
| Surface area | 1,309 acres |
| Maximum depth | 47 ft |
| Share under 15 ft | 35% |
| Water clarity (summer) | 9.1 ft through 2025 |
| Phosphorus (summer) | 23.7 µg/L |
| Algae, chlorophyll-a (summer) | 10.6 µg/L |
| Nutrient class | Mesotrophic |
| Clarity trend | Clearer (2016 to 2025) |
| Invasive species | faucet snail, zebra mussel |
| Public water accesses | 1 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2025: clarity 9.1 ft, phosphorus 23.7 µg/L, algae (chlorophyll-a) 10.6 µg/L. Using the Carlson trophic state index, South Long Lake rates as mesotrophic. Summer clarity trend 2016 to 2025: clearer.
Fishing on South Long Lake
The most recent DNR standard fish survey was in 2022 (4 years ago). Catch per net is compared with the DNR’s typical range for lakes of the same type.
| Species | Net | Catch per net | Typical range |
|---|---|---|---|
| Walleye | gill | 2.5 | 3.3 to 8.8 |
| Northern pike | gill | 2.58 | 2.8 to 9.0 |
| Yellow perch | gill | 7.33 | 7.0 to 46.3 |
| Black crappie | gill | 0.67 | 0.4 to 2.7 |
| Bluegill | gill | 1.25 | n/a |
| Largemouth bass | gill | 0.33 | 0.3 to 1.4 |
| Tullibee (cisco) | gill | 1.83 | 0.8 to 6.2 |
| Rock bass | gill | 1.33 | 0.6 to 3.9 |
| Hybrid sunfish | gill | 0.17 | n/a |
Walleye catch was below the typical range for similar lakes in that survey.
Largest fish measured in recent DNR samples: Walleye 26.0 in (2022), Largemouth bass 16.0 in (2022), Northern pike 37.0 in (2022).
Game and panfish documented since 2005: Walleye, Northern pike, Largemouth bass, Black crappie, Bluegill, Yellow perch, Pumpkinseed, Hybrid sunfish, Rock bass, Green sunfish, Tullibee (cisco), Bowfin, Common carp, Greater redhorse, White sucker, Yellow bullhead, Brown bullhead, Black bullhead.
Fishing regulations
No lake-specific regulation found in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Regulations change. Confirm with the DNR before fishing.
Invasive species
On the Minnesota DNR infested waters list for: faucet snail (listed 2021), zebra mussel (listed 2021).
Public boat access
- South Long Lake: 1 concrete slab launch ramp, 1 dock, 4 trailer spaces. 7 miles South of Brainerd on MN Hwy. 25, then 1.5 miles East on Crow Wing Co. Rd. #144. Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Russell Lake 2.4 mi, Crow Wing County
- Upper South Long Lake 3.1 mi, Crow Wing County
- Grave Lake 6.2 mi, Crow Wing County
- Mud Lake 6.6 mi, Crow Wing County
- Chrysler Lake 7.2 mi, Crow Wing County
- Round Lake 7.9 mi, Crow Wing County
- Pointon Lake 8.0 mi, Crow Wing County
- Rice Lake 8.0 mi, Crow Wing County
Questions about South Long Lake
How deep is South Long Lake?
South Long Lake reaches a maximum depth of 47 ft according to Minnesota DNR records. About 35% of the lake is shallower than 15 feet.
How big is South Long Lake?
South Long Lake covers about 1,309 acres in Crow Wing County, Minnesota.
How clear is South Long Lake?
Summer water clarity on South Long Lake averages 9.1 feet (Secchi depth) in MPCA monitoring through 2025. Its trophic state is mesotrophic.
Does South Long Lake have zebra mussels or other invasive species?
The Minnesota DNR infested waters list includes South Long Lake for faucet snail, zebra mussel.
What fish are in South Long Lake?
Minnesota DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch, pumpkinseed, hybrid sunfish, rock bass, green sunfish in South Long Lake. The most recent standard survey was in 2022.
Where is the public boat access on South Long Lake?
South Long Lake has 1 public water access site on DNR record: South Long Lake.
How is the walleye population on South Long Lake?
In Minnesota DNR net surveys from 1994 to 2022, walleye numbers on South Long Lake ran mostly within the typical range for similar lakes. Nets measure how many fish a lake holds, not where they’re biting, so local guides are the best source for current fishing.
Are there lake homes for sale on South Long Lake?
Homes on South Long Lake come up for sale throughout the year, and some sell before they’re ever publicly advertised. Tell us what you’re looking for and our agents will run a custom search and send you matching homes on South Long Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on South Long Lake?
A mid-size lake with room for boating and fishing, about 35% shallow shoreline under 15 feet, and summer clarity around 9.1 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on South Long Lake?
No lake-specific regulation was found for South Long Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about South Long Lake
Whether you’re buying, selling, or just curious, our team works Crow Wing County lakes every day. Send us a note or call (218) 656-6469.
Sources: Minnesota DNR LakeFinder records, DNR fish surveys (latest 2022), DNR infested waters list (Sept 2026), Minnesota Rules 6264.0400 (April 2026), MPCA monitoring via the Water Quality Portal, DNR water access records (2023), LAGOS-US. Lakewide information from public data; it does not describe any specific property. Verify shoreline, bottom type, and depth at any frontage.