Can I grab food and eat outside if I don't have a reservation? Yes. To grab food you will need to show proof of vaccination at our cafeteria-style restaurants. Related articles Which vaccinations will be accepted? Why is Vail Resorts requiring proof of vaccination to enter or dine at indoor, on-mountain quick-service restaurants this season? When can I use my lift ticket? How will your dining reservations work? What if I don't see a reservation available?