In Isom, a hotel needs to provide a certain level of top-notch amenities to earn 5 stars. These may include on-site gyms, saunas and spas, gourmet restaurants, premium bedding, complimentary luxury toiletries and more. What also sets 5-star hotels apart is their outstanding service. You can expect things like concierge services, in-room massages and nightly turn-down services. Some may even offer special touches like welcome gifts.