Lake County · Minnesota

Silver Island Lake

Soundings in feet · 1,239 acres · deepest 16 ft

Where it is

21 miles west of Lutsen

Lake County, Minnesota · 47.7332° N, 91.1354° W

Directions to Silver Island Lake Public Water Access Site Apple Maps

Directions open in Google or Apple Maps, to the Minnesota DNR public access site.

Today on the lake

Updated 19 Oct 2026, 6:06 pm EDT.

WEATHERThis Afternoon: sunny, 60°F, wind SE 5 mph. Tonight: mostly clear, 35°F, wind SE 0 to 5 mph.

WARNINGSNo weather or fire warnings in effect.

FIRENo wildfires or prescribed burns reported within 25 miles.

BURNINGCampfires and debris burning: check today's fire danger and burning restrictions with Minnesota DNR.

ALGAECAUTION Satellite detected cyanobacteria across about 24% of the lake on 11 Oct 2026, the latest clear-sky image.

National Weather Service; National Interagency Fire Center; U.S. EPA CyAN satellite; Minnesota DNR. Weather, warnings, fires and satellite refresh when you open the page (checked at most hourly).

Depth map

3 contours, 5 to 15 ft

051015feet

Minnesota DNR lake survey, fetched 15 Oct 2026. Not for navigation.

Getting on the water

1 public access site on Silver Island Lake.

Silver Island Lake Public Water Access Site · U.S. Forest Service

trailer launch · 1 ramp · concrete ramp · 1 dock · 6 trailer spaces · restroom

Minnesota DNR public water accesses, fetched 15 Oct 2026.

Fish survey

Minnesota DNR’s latest standard fish survey of Silver Island Lake was in July 2020: 9 gill nets caught 7 species. The DNR also ran a targeted survey in June 2024; this section uses the latest standard survey.

Fish per gill net, 9 sets. Line: Silver Island Lake. Bracket: normal for similar lakes.

Walleye9.2normal

Yellow perch5.2normal

Northern pike2.8normal

Rock bass0.8normal

Black crappie0.6normal

Walleye per gill net, standard surveys: 2003 13 · 2008 19 · 2012 15 · 2016 22 · 2020 9.2

Sizes in the nets

Walleye: 83 measured, 7 to 26 in, half 12 in or longer; average 0.93 lb, normal (normal 0.8–1.3 lb).

Northern pike: 25 measured, 11 to 27 in, half 17 in or longer; average 1.5 lb, normal (normal 1.3–2.5 lb).

Yellow perch: 47 measured, 5 to 10 in, half 6 in or longer; average 0.17 lb, below normal (normal 0.2–0.3 lb).

Also caught: lake whitefish, white sucker.

Source: Minnesota DNR Fisheries lake survey, 20 Jul 2020, via LakeFinder, fetched 15 Oct 2026. Normal range: DNR’s range for lakes of the same class (43 classes, grouped by water chemistry and shape). Each line has its own scale. How we measure

Water quality

Measured water clarity averages about 5 ft: the Secchi depth across 4 readings, 2008–2020.

Clarity 4.7 ft of 16 ft

Minnesota Pollution Control Agency and volunteer Secchi readings, via Minnesota DNR LakeFinder, fetched 15 Oct 2026.

Nearby lakes with measured depth

Windy Lake39 ft deep · 2.7 mi · Lake County

Perent Lake38 ft deep · 4.5 mi · Lake County

Whitefish Lake49 ft deep · 4.7 mi · Lake County

Harriet Lake37 ft deep · 4.7 mi · Lake County

Wilson Lake53 ft deep · 5.0 mi · Lake County

Section 29 Lake20 ft deep · 5.0 mi · Lake County

Minnesota DNR lake survey; straight-line miles.

Common questions

How deep is Silver Island Lake?

Silver Island Lake is 16 feet at its deepest point, measured by Minnesota DNR survey. It covers 1,239 acres.

Is there a public boat launch on Silver Island Lake?

Yes. 1 public access site is listed: Silver Island Lake Public Water Access Site.

What fish are in Silver Island Lake?

Minnesota DNR’s July 2020 standard survey caught 7 species, most often walleye, yellow perch, northern pike and rock bass.

How much of Silver Island Lake is deeper than 10 feet?

About 34% of the lake's area is deeper than 10 feet, measured from Minnesota DNR depth contours.