Island Lake

Rusk County, Wisconsin

OverviewFacts & Figures

Physical Characteristics

Surface Area (Acres)543
Maximum Depth (ft)54
Mean Depth (ft)22
Shoreline (miles)—
Bottom Composition45% sand, 40% gravel, 5% rock, 10% muck
Water Clarity — Secchi Depth (ft)—
Trophic Status—
Drainage BasinDRAINAGE
Lake Classlake
Public Access—
Township—
GPS Coordinates45.31960° N, 91.38410° W
WBIC (DNR ID)2350200

Fish Species

6 species documented

AbundantCommonPresentRare
SpeciesAbundanceLast Survey
WalleyeAbundant—
MuskyCommon—
Northern PikeCommon—
Largemouth BassPresent—
PanfishPresent—
Smallmouth BassPresent—

Boat Landings

2 landings

NameTypeRampTrailersFee♿
Island Lake Public Boat LandingRAMP—11-15NoNo
Island Lake AccessRAMP—1-5NoNo

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
Chinese Mystery SnailConfirmed—
Curly-Leaf PondweedConfirmed—
Purple LoosestrifeConfirmed—
Rusty CrayfishConfirmed—

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