Dock Lake
Itasca County, Minnesota, near Marcell. DNR lake ID 31064900.
Dock Lake is a 30.4-acre lake in Itasca County, Minnesota, near Marcell. Its deepest point reaches 40 ft, and about 79% of the lake is shallower than 15 feet. Summer water clarity averages 8.8 feet in Minnesota Pollution Control Agency monitoring. It is not on the DNR infested waters list as of September 2026. DNR surveys document walleye, largemouth bass, black crappie, bluegill.
Buying or selling on Dock 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 | 31064900 |
|---|---|
| County | Itasca County, near Marcell |
| Surface area | 30.4 acres |
| Maximum depth | 40 ft |
| Share under 15 ft | 79% |
| Water clarity (summer) | 8.8 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 8.8 ft.
Fishing on Dock 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 | 1.25 | 0.5 to 1.5 |
| Black crappie | trap | 0.83 | 1.1 to 10.6 |
| Bluegill | gill | 1.25 | n/a |
| Bluegill | trap | 10.17 | 4.3 to 32.8 |
| Largemouth bass | gill | 0.75 | 0.5 to 2.1 |
| Largemouth bass | trap | 0.5 | 0.5 to 1.4 |
Walleye catch was within the typical range for similar lakes in that survey.
Largest fish measured in recent DNR samples: Largemouth bass 15.0 in (2020), Walleye 21.0 in (2020), Northern pike 29.0 in (2004).
Game and panfish documented since 2005: Walleye, Largemouth bass, Black crappie, Bluegill, White sucker.
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
- Dock Lake: 1 natural launch ramp, 1 trailer spaces. Take Hwy 38 south out of Marcell for 5 miles to Hwy 49. Follow Hwy 49 east for 2.7 miles to the access. Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Baldy Lake 0.3 mi, Itasca County
- East Smith Lake 0.9 mi, Itasca County
- Big Jack Lake 1.3 mi, Itasca County
- McKewen Lake 1.4 mi, Itasca County
- Smith Lake 1.4 mi, Itasca County
- Duck Lake 1.4 mi, Itasca County
- Big Island Lake 1.8 mi, Itasca County
- Crooked Lake 2.0 mi, Itasca County
Questions about Dock Lake
How deep is Dock Lake?
Dock Lake reaches a maximum depth of 40 ft according to Minnesota DNR records. About 79% of the lake is shallower than 15 feet.
How big is Dock Lake?
Dock Lake covers about 30.4 acres in Itasca County, Minnesota.
How clear is Dock Lake?
Summer water clarity on Dock Lake averages 8.8 feet (Secchi depth) in MPCA monitoring through 2025.
Does Dock Lake have zebra mussels or other invasive species?
Dock 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 Dock Lake?
Minnesota DNR surveys document walleye, largemouth bass, black crappie, bluegill, white sucker in Dock Lake. The most recent standard survey was in 2020.
Where is the public boat access on Dock Lake?
Dock Lake has 1 public water access site on DNR record: Dock Lake.
How is the walleye population on Dock Lake?
In Minnesota DNR net surveys from 1994 to 2020, walleye numbers on Dock Lake ran mostly above 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 Dock Lake?
Homes on Dock 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 Dock Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Dock Lake?
Small, quiet water suited to paddling and fishing, about 79% shallow shoreline under 15 feet, and summer clarity around 8.8 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Dock Lake?
No lake-specific regulation was found for Dock Lake in Minnesota Rules or the DNR sunfish list. Statewide and zone regulations apply.
Ask us about Dock Lake
Whether you’re buying, selling, or just curious, our team works Itasca 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.