Platte Lake
Crow Wing County, Minnesota, near Sullivan. DNR lake ID 18008800.
Platte Lake is a 1,663-acre lake in Crow Wing County, Minnesota, near Sullivan. Its deepest point reaches 23 ft, and about 97% of the lake is shallower than 15 feet. Summer water clarity averages 5.9 feet in Minnesota Pollution Control Agency monitoring. It is not on the DNR infested waters list as of September 2026. DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch.
Buying or selling on Platte Lake? Ask us what lakeshore here actually sells for, which stretches of shoreline buyers compete for, and what’s coming up before it’s listed.
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Quick facts
| DNR lake ID | 18008800 |
|---|---|
| County | Crow Wing County, near Sullivan |
| Surface area | 1,663 acres |
| Maximum depth | 23 ft |
| Mean depth | 8.0 ft |
| Share under 15 ft | 97% |
| Water clarity (summer) | 5.9 ft through 2025 (satellite estimate) |
| Invasive species | Not on DNR infested waters list (Sept 2026) |
| Public water accesses | 1 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2025: clarity 5.9 ft.
Fishing on Platte Lake
The most recent DNR standard fish survey was in 2020 (6 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 | 2.25 | 3.2 to 15.3 |
| Northern pike | gill | 14.58 | 1.2 to 7.8 |
| Yellow perch | gill | 0.75 | 3.0 to 22.5 |
| Black crappie | gill | 4.08 | 0.8 to 11.1 |
| Bluegill | gill | 7.92 | n/a |
| Largemouth bass | gill | 0.25 | 0.3 to 1.8 |
| Pumpkinseed | gill | 10.67 | n/a |
| 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: Largemouth bass 14.0 in (2020), Walleye 26.0 in (2020), Northern pike 39.0 in (2020).
Game and panfish documented since 2005: Walleye, Northern pike, Largemouth bass, Black crappie, Bluegill, Yellow perch, Pumpkinseed, Hybrid sunfish, Rock bass, Green sunfish, Bowfin, Common carp, 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
Not on the Minnesota DNR infested waters list as of September 2026. That means no confirmed listing, not a guarantee the lake is free of invasive species.
Public boat access
- Platte Lake: 1 concrete slab launch ramp, 1 dock, 15 trailer spaces. 2.5 miles W of Richardson's Corner on Co Rd 51, then 0.5 mile N on Platte Lake Access Rd. Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Rock Lake 1.5 mi, Crow Wing County
- Long Lake 1.7 mi, Morrison County
- Sullivan Lake 2.0 mi, Morrison County
- Bulldog Lake 2.1 mi, Crow Wing County
- Round Lake 2.4 mi, Morrison County
- Hannah Lake 2.9 mi, Morrison County
- Erskine Lake 2.9 mi, Crow Wing County
- Peavy Lake 3.2 mi, Morrison County
Questions about Platte Lake
How deep is Platte Lake?
Platte Lake reaches a maximum depth of 23 ft according to Minnesota DNR records. About 97% of the lake is shallower than 15 feet.
How big is Platte Lake?
Platte Lake covers about 1,663 acres in Crow Wing County, Minnesota.
How clear is Platte Lake?
Summer water clarity on Platte Lake averages 5.9 feet (Secchi depth) in MPCA monitoring through 2025.
Does Platte Lake have zebra mussels or other invasive species?
Platte Lake is not on the Minnesota DNR infested waters list as of September 2026. That means there is no confirmed listing; it is not a guarantee the lake is free of invasive species.
What fish are in Platte Lake?
Minnesota DNR surveys document walleye, northern pike, largemouth bass, black crappie, bluegill, yellow perch, pumpkinseed, hybrid sunfish, rock bass, green sunfish in Platte Lake. The most recent standard survey was in 2020.
Where is the public boat access on Platte Lake?
Platte Lake has 1 public water access site on DNR record: Platte Lake.
How is the walleye population on Platte Lake?
In Minnesota DNR net surveys from 1990 to 2020, walleye numbers on Platte Lake ran mostly below 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 Platte Lake?
Homes on Platte 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 Platte Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Platte Lake?
A mid-size lake with room for boating and fishing, about 97% shallow shoreline under 15 feet, and summer clarity around 5.9 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Platte Lake?
No lake-specific regulation was found for Platte Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Platte 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 2020), 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.