Long Lake

Sheboygan, Fond du Lac County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)423
Maximum Depth (ft)47
Mean Depth (ft)22
Shoreline (miles)
Bottom Composition1% sand, 4% gravel, 0% rock, 95% muck
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage BasinDRAINAGE
Lake Classlake
Public Access
Township
GPS Coordinates43.67400° N, 88.17050° W
WBIC (DNR ID)38700

Fish Species

4 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
PanfishAbundant
Largemouth BassCommon
Northern PikeCommon
WalleyeCommon

Boat Landings

1 landing

NameTypeRampTrailersFee
Public Boat LandingPublic

Invasive Species

Invasive species have been documented in or near this lake. Please clean, drain, and dry all watercraft and equipment before leaving to prevent spread.

SpeciesStatusFirst Detected
Banded Mystery SnailConfirmed
Chinese Mystery SnailConfirmed
Curly-Leaf PondweedConfirmed
Eurasian Water-MilfoilConfirmed
Hybrid Eurasian / Northern Water-MilfoilConfirmed
Purple LoosestrifeConfirmed
Zebra MusselConfirmed

Data sourced from Wisconsin DNR lake surveys. Last scraped: 3/24/2026.

Long Lake — Facts & Figures | Stay Northern