In Swink, a hotel must offer a certain amount of high-end conveniences to be rated 5 stars. These may include on-site gyms, saunas and spas, gourmet restaurants, luxury toiletries, premium bedding and more. What also sets 5-star hotels apart is their exceptional service. You can expect things like in-room massages, nightly turn-down services and concierge services. Some may also offer extra touches like welcome gifts.