Sturgeon Bay

Door County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)4,945
Maximum Depth (ft)
Mean Depth (ft)
Shoreline (miles)
Bottom Composition
Water Clarity — Secchi Depth (ft)
Trophic Status
Drainage Basin
Lake Classlake
Public Access
Township
GPS Coordinates44.86830° N, 87.39740° W
WBIC (DNR ID)88

Fish Species

AbundantCommonPresentRare

No fish species data available for this lake.

Boat Landings

4 landings

NameTypeRampTrailersFee
Sunset Park Launching RampRAMP11-15YesNo
Potawatomi State Park AccessRAMPGr25YesYes
Olde Stone Quarry Park Boat RampRAMPGr25NoNo
Sawyer Park Boat RampRAMPGr25YesNo

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
Curly-Leaf PondweedConfirmed
Eurasian Water-MilfoilConfirmed
Phragmites (non-native)Confirmed
Purple LoosestrifeConfirmed
Spiny WaterfleaConfirmed
Starry StonewortConfirmed
Zebra MusselConfirmed

Data sourced from Wisconsin DNR lake surveys. Last scraped: 4/30/2026.