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 RampRAMP—11-15YesNo
Potawatomi State Park AccessRAMP—Gr25YesYes
Olde Stone Quarry Park Boat RampRAMP—Gr25NoNo
Sawyer Park Boat RampRAMP—Gr25YesNo

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.