Lake trip · Lake County, Illinois
Where to stay at Round Lake
Round Lake covers 242 acres in Lake County and carries a water-quality grade of B (Good). Compare cabins, resorts, and vacation rentals below, then check the water before you book. Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
Places to stay near Round Lake
Cabins, resorts, hotels, and vacation rentals near Round Lake in Lake County, Illinois — live availability and prices. Add your dates to see totals.
Top-rated places to stay near Round Lake
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Before you book: the water
Round Lake grades B for water quality — Good. Good for swimming, clear water with low algae levels. Water clarity is about 7.4 ft of visibility.
Best time to visit
Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
Check the National Weather Service forecast for Round Lake →
About Round Lake
Camping & RV near Round Lake
Search public campgrounds and RV sites near Round Lake on Recreation.gov, then compare cabins, resorts, and rentals on the map above.
Common questions
Frequently Asked Questions
Cabins, resorts, and vacation rentals around Round Lake in Lake County, Illinois are on the map above with live availability and nightly prices. Waterfront rentals put you on the dock; lodging in the nearest town is usually cheaper with more choice.
Round Lake has a LakeQuality water-quality grade of B (Good). Good for swimming, clear water with low algae levels. Always check local health-department advisories before swimming.
Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
LakeQuality Lake Trip Planner (2026)
Free trip-planning guide for Round Lake: how to pick a clean lake, the water-quality signals that matter, best swimming and fishing windows, and where to stay.
Lodging availability and prices are provided by Stay22 and its booking partners (Booking.com, Vrbo, Expedia); LakeQuality may earn a commission from bookings at no extra cost to you. Water-quality grades are independent of lodging listings. Always check current health-department advisories and managing-agency conditions before you travel.