In Barnhart, a hotel needs to provide a certain level of high-end conveniences to be rated 5 stars. These can include saunas and spas, on-site gyms, gourmet restaurants, premium bedding, complimentary luxury toiletries and more. What also sets 5-star hotels apart is their outstanding service. You can look forward to things like in-room massages, nightly turn-down services and concierge services. Some may even offer thoughtful touches like a welcome gift.