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A cloud bank lit orange over Slim Lake at sunset, reflected across the width of the water

Lake trip · Wheatland County, Montana

Where to stay at Martinsdale Reservoir

Martinsdale Reservoir covers 989 acres in Wheatland County. Compare cabins, resorts, and vacation rentals below. The water-quality readings cover nutrients and algae; they are not a stay-or-skip rating. Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.

Places to stay near Martinsdale Reservoir

Cabins, resorts, hotels, and vacation rentals near Martinsdale Reservoir in Wheatland County, Montana — live availability and prices. Add your dates to see totals.

Top-rated places to stay near Martinsdale Reservoir

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

About the water

Martinsdale Reservoir has limited nutrient and algae sampling on record. A water-quality reading is not a swimming clearance. The state water agency and county health departments post current advisories; check them before you swim. The readings are not a reason to skip cabins and rentals around the lake.

See the full Martinsdale Reservoir water-quality report →

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 Martinsdale Reservoir →

About Martinsdale Reservoir

Surface area
989 acres
Max depth
-
Public boat launches
1
Public beaches
—

Camping & RV near Martinsdale Reservoir

Search public campgrounds and RV sites near Martinsdale Reservoir on Recreation.gov, then compare cabins, resorts, and rentals on the map above.

Find campgrounds & RV sites on Recreation.gov →

Common questions

Frequently Asked Questions

Cabins, resorts, and vacation rentals around Martinsdale Reservoir in Wheatland County, Montana 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.

Martinsdale Reservoir has limited nutrient and algae sampling on record. A water-quality reading is not a swimming clearance. The state water agency and county health departments post current advisories; check them before you swim.

Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.

Guide

LakeQuality Lake Trip Planner (2026)

Free trip-planning guide for Martinsdale Reservoir: 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 readings are independent of lodging listings. Always check current health-department advisories and managing-agency conditions before you travel.

Where to stay near Martinsdale Reservoir →