Located at the base of Beaver Creek Mountain in Colorados Vail Valley, Sheraton Mountain Vista Villas, Avon Vail Valley is a family friendly vacation ownership resort with the comforts and conveniences of home. Guest access Can access all amenities inside the resort Other things to note This is a timeshare unit. The check-in process will be through the front desk. There will be a security deposit for incidentals upon check-in which is fully refundable when you check-out. The exact location, view, and floor of the unit will be assigned at the front desk during the check-in process and it is based on availability.