In Rembert, a hotel must offer a certain level of top-notch amenities to earn 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 extraordinary standard of service. You can expect things like nightly turn-down services, in-room massages and concierge services. Some may also offer thoughtful touches such as a welcome gift.