Beach · Lake Superior · Wisconsin
Sioux River Beach South
A public beach on Lake Superior in Bayfield County, Wisconsin, 1.1 miles of shore. The state samples the water for bacteria twice a week through a 102-day swim season.
The beach
On the record
- Water
- Lake Superior
- Location
- Bayfield County, Wisconsin
- Length
- 1.1 miles
- Owner
- Public
- Access
- Public Access
- Water sampling
- Yes — twice a week in the swim season
- Swim season
- 102 days, as reported
- Monitoring tier
- Tier 2 (Tier 1 is highest)
- EPA beach ID
- WI666189
- Coordinates
- 46.7311° N, 90.8749° W to 46.7469° N, 90.8833° W
As the state reported it to EPA for the 2025 season. Sampling schedules change year to year. How beach monitoring works →
Down the shore
Nearest Superior beaches
- Sioux River Beach North1.2 mi · sampled · WI
- Memorial Park Beach Washburn3.9 mi · sampled · WI
- Washburn Marina Beach4.3 mi · sampled · WI
- Washburn Walking Trail Beach / Bab Beach4.5 mi · WI
- Capser Road Beach4.6 mi · WI
- Wikdal Memorial Boat Launch Beach4.7 mi · sampled · WI
Straight-line distance.
By boat
Launches nearby
- Onion River Access1.8 mi · hand / carry-in launch
- Washburn Marina4.4 mi · trailer ramp
- Thompsons West End Park Boat Launch4.7 mi · trailer ramp
- Bayfield City Boat Launch5.9 mi · trailer ramp
On the horizon
Lighthouses nearby
- Chequamegon Point Light3.1 mi
- La Pointe Light4.3 mi
- Ashland Harbor Breakwater Light7.1 mi
On shore nearby
Worth the stop
- Apostle Islands National Lakeshore18 mi · park
Off the beach
What to fish on Lake Superior
Source
Facts on this page are from the EPA BEACON profile for beach WI666189, the record Wisconsin files under the federal BEACH Act, retrieved 2026-10-10. The county is placed from the beach’s own coordinates. A blank field means the record is silent. Parking, fees, lifeguards and dog rules are set by whoever runs the beach; check with them before you go.
Chart shoreline generalized from Natural Earth (public domain). Not for navigation. Something wrong or missing? Write to contact@greatamericanlakes.com.