Enjoy a longer stay away from home at our Mainstay Suites hotel in Sidney, MT. Our hotel is near Sidney Healthcare Center, Sidney Country Club, Shops at Fox Run, Richland County Law and Justice Center and the Sidney-Richland Airport. Rooms include a well-equipped kitchen, flat-screen TVs, irons and ironing boards. Enjoy amenities like free hot breakfast, free WiFi, a fitness center, a business center and guest laundry facilities. Also, earn rewards including free nights and gift cards with our Choice Privileges Rewards program.