Mars Lake

Oneida County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)40
Maximum Depth (ft)24
Mean Depth (ft)—
Shoreline (miles)—
Bottom Composition60% sand, 10% gravel, 0% rock, 30% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinSPRING
Lake Classlake
Public Access—
Township—
GPS Coordinates45.58170° N, 89.16490° W
WBIC (DNR ID)1577100

Fish Species

4 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
Largemouth BassCommon—
Northern PikeCommon—
PanfishCommon—
WalleyePresent—

Boat Landings

1 landing

NameTypeRampTrailersFee♿
Mars Lake AccessRAMP—1-5NoNo

Invasive Species

No invasive species currently documented for this lake.

Data sourced from Wisconsin DNR lake surveys. Last scraped: 4/29/2026.