Isabella Lake
Mason County, Washington211 acresView mapDirections
No nutrient or algae sampling on record from Washington Ecology for this lake.
- Public access
Isabella Lake in Mason County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 211 acres.
Isabella Lake is a 211-acre lake in Mason County, Washington. Limited fish-species data available. Public access is available with 2 public boat landings.
Source: EPA Water Quality Portal sampling records, WA Ecology. Methodology: how these readings are compared.
What Isabella Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Isabella 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.
Water quality measurements for Isabella Lake
These are the measurements Washington Ecology publishes for Isabella 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 Isabella Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
211 acres
Shoreline
2.6 mi
Public access
Yes
Listed by Washington Ecology
No bathymetric survey has been published for Isabella Lake, so its depth is not documented here.
Recreation & Access
- Isabella LakePublic
- Isabella 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 Isabella Lake
Compare lakeside cabins, hotels, and vacation rentals near Isabella Lake in Mason 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 Isabella Lake
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Fishing Isabella Lake
Nearby Lakes in Mason County
Frequently asked questions about Isabella Lake
Where is Isabella Lake?
- Isabella Lake is a lake in Mason County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Isabella Lake?
- Isabella Lake in Mason County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 211 acres.
Is Isabella Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Isabella Lake?
- Isabella Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Isabella Lake, Isabella Lake. Public access is listed as yes.
Can I fish at Isabella Lake?
- Isabella Lake has 2 documented boat landings 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.
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Where this data comes from
Measurements for Isabella Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory