Our Mountain House by Key to the Rockies properties range from 1 to 2 plus loft condominiums and offer spacious interiors, fireplaces, balconies or patios. Guests can find amenities such as mountain views, an on-site indoor hot tub, on-site laundry facilities, free parking, full kitchens and WiFi.Mountain House Keystone is the original base of the mountain. All units are within 200 yards of the slopes and on the free shuttle route. Restaurants, shops and nightlife are within walking distance.Guests receive up to 20 percent savings on retail, restaurants, activities, and ground transportation, and 15 percent off ski and snowboard rentals.Minimum age required at check-in is 25. There is departure cleaning only.