Discover three unbelievable mountains, tons of outdoor adventures, and much more in Keystone, Colorado with a 3 night/4 day stay in a 4-bedroom/4-bathroom condo (sleeps up to 10 adults in all beds!) at the Starfire Complex. The Starfire Complex has two hot tubs, is on a complimentary bus route, and has a garage and carport for additional parking. Keystone has the largest mountain in Summit County offering 3,148 skiable acres, 20 lifts and two gondolas, all nestled at the foot of 2 unique villages!