Lake trip · Kandiyohi County, Minnesota
Where to stay at Diamond Lake
Diamond Lake covers 1,610 acres in Kandiyohi County and carries a water-quality grade of D (Poor). Compare cabins, resorts, and vacation rentals below, then check the water before you book. Open water runs roughly Apr 15 to Dec 8, with June through August the peak stretch for swimming, boating, and fishing.
Places to stay near Diamond Lake
Cabins, resorts, hotels, and vacation rentals near Diamond Lake in Kandiyohi County, Minnesota — live availability and prices. Add your dates to see totals.
Top-rated places to stay near Diamond 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
Diamond Lake grades D for water quality — Poor. Swimming not recommended, poor water quality with high algae risk. Water clarity is about 5.6 ft of visibility. Algae (chlorophyll-a) measures 17.4 µg/L.
Best time to visit
Open water runs roughly Apr 15 to Dec 8, with June through August the peak stretch for swimming, boating, and fishing.
Check the National Weather Service forecast for Diamond Lake →
About Diamond Lake
Fish: black bullhead, black crappie, bluegill, bowfin (dogfish), brown bullhead, common carp, green sunfish, hybrid sunfish.
Camping & RV near Diamond Lake
Base your trip at a nearby state park for tent and RV camping and trails, with Diamond Lake a short drive away — or search all public campgrounds and RV sites in the area on Recreation.gov.
- Sibley State Park · State Park12.8 mi
- Greenleaf Lake State Recreation Area · State Recreation Area21.7 mi
- Monson Lake State Park · State Park22.9 mi
Common questions
Frequently Asked Questions
Cabins, resorts, and vacation rentals around Diamond Lake in Kandiyohi County, Minnesota 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. Sibley State Park is about 12.8 miles away for campground options.
Diamond Lake has a water quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. Always check local health-department advisories before swimming.
Open water runs roughly Apr 15 to Dec 8, with June through August the peak stretch for swimming, boating, and fishing.
Explore Diamond Lake
Every graded lake in Minnesota, ranked A–F
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LakeQuality Lake Trip Planner (2026)
Free trip-planning guide for Diamond 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.