Lone Lake is a lake in Island County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.

How deep is Lone Lake?

Lone Lake has a maximum depth of 17 feet. The lake covers 90 acres.

Are there boat ramps on Lone Lake?

Lone Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lone Lake. Public access is listed as yes.

Can I fish at Lone Lake?

Lone Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Washington's fish and wildlife agency, so check its current regulations before you go.

Lone Lake

Island County, Washington90 acresView map Directions

No nutrient or algae sampling on record from Washington Ecology for this lake.

Max depth

17 ft

Bathymetric survey

Area

90 acres

Surface area

Shoreline

1.6 mi

Measured length

Impaired · Dioxins
17 ft max depth
Public access

See the measurements Directions Where to stay

Lone Lake in Island County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Maximum depth: 17 ft. Surface area: 90 acres.

Loading map…

Lone Lake is a 90-acre lake in Island County, Washington with a maximum depth of 17 feet. Limited fish-species data available. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, WA Ecology. Methodology: how these readings are compared.

What Lone Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Lone Lake is listed impaired under Clean Water Act §303(d) (IR 5) for dioxins. Check local advisories before you swim.

Whether Lone Lake is safe to swim in today is a call for the Washington State Department of Ecology and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Get alerts for Lone Lake →

Water quality measurements for Lone Lake

These are the measurements Washington Ecology publishes for Lone Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. TSI undefined.

Ask about Lone Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

17 ft

Surface area

90 acres

Shoreline

1.6 mi

Public access

Yes

Listed by Washington Ecology

Recreation & Access

Boat Landings

Yes

Public Access

Lone LakePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Lone Lake

Compare lakeside cabins, hotels, and vacation rentals near Lone Lake in Island County, Washington — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Lone Lake

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Washington’s top lakes →

Follow Lone Lake’s readings

Email me when new measurements post for this lake. Updates stay free.

Or email

Fishing Lone Lake

→ Lone Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Lone Lake is officially listed as impaired under Clean Water Act §303(d) in the 2018 EPA reporting cycle (IR category 5).

Causes of impairment

Dioxins

Designated uses not supporting: Drinking water, Fish consumption.

Source: EPA ATTAINS assessment unit WA17110019001077_001_001 · Official waterbody report

Nearby Lakes in Island County

Lake Goss1.3 miView →Deer Lake4.9 miView →Crockett Lake—View →Cranberry Lake—View →

Frequently asked questions about Lone Lake

Where is Lone Lake?: Lone Lake is a lake in Island County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Lone Lake?: Lone Lake in Island County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Maximum depth: 17 ft. Surface area: 90 acres.
Is Lone Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Lone Lake is listed impaired under Clean Water Act §303(d) (IR 5) for dioxins. Check local advisories before you swim.
How deep is Lone Lake?: Lone Lake has a maximum depth of 17 feet. The lake covers 90 acres.
Are there boat ramps on Lone Lake?: Lone Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lone Lake. Public access is listed as yes.
Can I fish at Lone Lake?: Lone Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Washington's fish and wildlife agency, so check its current regulations before you go.