In Dlugie, a hotel must offer a certain level of top-notch amenities to be rated 5 stars. These can include on-site gyms, gourmet restaurants, saunas and spas, premium bedding, luxury bathroom products and more. What also sets 5-star hotels apart is their superior service. You can expect things like nightly turn-down services, concierge services and in-room massages. Some may also offer thoughtful touches such as welcome gifts.