The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (upper arm) is open for everyone; the other 6 come with LakeScope PRO. Full screen
Island Lake Reservoir
St. Louis County, Minnesota · about 7,820 acres (12.2 sq mi)
44°F water, calm this morning.
About Island Lake Reservoir
Island Lake Reservoir is a lake in St. Louis County, Minnesota, covering about 7,820 acres.
From end to end it runs about 8.4 miles and its shoreline adds up to about 55 miles. The water sits about 1,370 ft above sea level. Arnold lies about 8.5 miles to the southeast.
- Size
- About 7,820 acres (12.2 sq mi)
- Shoreline
- About 55 miles
- End to end
- About 8.4 miles
- Elevation
- About 1,370 ft
- County
- St. Louis County
The lake from above
Best fishing times
Saturday Good
- 6:30 am – 8:45 amsunrise · wind 0 mph
- 3:15 pm – 5:15 pm bestsunset, moon overhead · wind 0 mph
Sunday Good
- 6:30 am – 8:45 amsunrise · wind 0 mph
- 4:00 pm – 5:15 pm bestsunset, moon overhead · wind 5 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish to expect
For a lake of this size in Minnesota, walleye, northern pike, largemouth bass, smallmouth bass and yellow perch are the fish to expect. The state fish and wildlife agency lists what is stocked and the rules for this lake. With the surface at 44°F, the notes below say which of them should be biting.
- GoodWalleye
Good cool-water bite, best at dusk and after dark.
- GoodNorthern pike
Prime range. Weed edges and shallow bays.
- SlowLargemouth bass
Cold and sluggish. Fish slow and deep near steep banks.
- SlowSmallmouth bass
Cold. Slow presentations on deep rock.
- GoodYellow perch
Schooled near weed edges and soft bottom.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Upper arm
The lake narrows toward the incoming river or creek; moving water carries food.
- 2
- 3
- 4
- 5
- 6
- 7
6 more spots with LakeScope PRO: fish, depth band, water temperature, best time and bait for each.
Picked from the shape of the lake bed. A guide, not a promise.
Water temperature
At the surface, seen .
Water level
No daily level reading for this lake.
Ice
Open water
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 7:09 am · sunset 4:35 pm · waxing crescent moon (lake time).
Towns and places to stay near Island Lake Reservoir
- Arnoldabout 8.5 mi southeast
- Hermantownabout 12 mi south
- Duluthabout 14 mi south
- Proctorabout 16 mi south
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Questions about Island Lake Reservoir
What fish are in Island Lake Reservoir?
Lakes like Island Lake Reservoir usually hold walleye, northern pike, largemouth bass, smallmouth bass and yellow perch. Check the state fish and wildlife agency for stocking and limits.
How deep is Island Lake Reservoir?
We have no published depth for this lake. The 3-D view gives an estimated shape of the bed: where the deep basin and the drop-offs are. Not for navigation.
How big is Island Lake Reservoir?
About 7,820 acres, with about 55 miles of shoreline.
What town is near Island Lake Reservoir?
Arnold is about 8.5 miles southeast; Hermantown is about 12 miles south.
What is the water temperature at Island Lake Reservoir today?
The surface was about 44°F on the latest clear reading. The page updates every day.
Island Lake Reservoir on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
