Illinois Beach State Park
Lake · Illinois
About this swimming hole
Illinois Beach State Park protects the state's only remaining Lake Michigan dune shoreline, with miles of natural sand beach for swimming. The park's dunes, prairies, and wetlands frame the swim with rare ecology. It is Illinois's premier Great Lakes beach day.
Good to know
| Water type | Lake |
|---|---|
| Water temperature | 60s to low 70s in summer |
| Depth | shallow Lake Michigan entry |
| Best season | June-August |
| Fees | Free |
| Reservations required | No |
| Parking | state park lots |
| Amenities | Lake Michigan beach, dunes trails, campground, nature center |
| County | Lake County |
| Nearest town | Zion |
| Safety notes | no lifeguard; Lake Michigan waves and rip currents |
Map
Nearby swimming holes
Frequently asked questions
Does Illinois Beach State Park require reservations?
No reservations are required at Illinois Beach State Park based on current information — but verify before you go.
Is there a fee to visit Illinois Beach State Park?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit Illinois Beach State Park?
The best season is typically June-August.
⚠️ Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026