Listed as one of North America's best fractional share developments, Marriott's MountainSide is a 450,000 square foot, 182 unit residential resort located on the slopes of Park City Mountain Resort. Drawing on the area's mining iconography and designed as an homage to a local landmark that burned in 1989, Marriott's Mountainside references Park City's mining heritage while pointing to the areas future as a world class vacation destination.