Beach · Lake Michigan · Wisconsin
Rock Island State Park Beach
A public beach on Lake Michigan in Door County, Wisconsin, 0.37 miles of shore. The state samples the water for bacteria once a week through a 102-day swim season.
The beach
On the record
- Water
- Lake Michigan
- Location
- Door County, Wisconsin
- Length
- 0.37 miles
- Owner
- Public
- Access
- Public Access
- Water sampling
- Yes — once a week in the swim season
- Swim season
- 102 days, as reported
- Monitoring tier
- Tier 3 (Tier 1 is highest)
- EPA beach ID
- WI338621
- Coordinates
- 45.4062° N, 86.8229° W to 45.4077° N, 86.8160° 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 Michigan beaches
- Jackson Harbor Ridges - Wi1.6 mi · sampled · WI
- Percy Johnson Memorial Park Beach3.6 mi · sampled · WI
- School House Beach5.2 mi · sampled · WI
- Sand Dune Beach6.0 mi · sampled · WI
- Gislason Beach6.2 mi · sampled · WI
- Isle View Beach12 mi · WI
Straight-line distance.
By boat
Launches nearby
- Old Camp Road Carry-in Access1.1 mi · hand / carry-in launch
- Jackson Harbor Access1.7 mi · trailer ramp
- Wickman Road Carry-in2.8 mi · hand / carry-in launch
- Michigan Road Carry-in2.9 mi · hand / carry-in launch
On the horizon
Lighthouses nearby
- Pottawatomie Light1.5 mi
- St. Martin Island Light7.4 mi
- Plum Island Range Rear Light9.4 mi
Ashore
State parks nearby
- Rock Island State Park0.8 mi
Off the beach
What to fish on Lake Michigan
Source
Facts on this page are from the EPA BEACON profile for beach WI338621, 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.