In Best, a hotel must offer a certain number of top-notch amenities to earn a 5-star rating. These may include on-site gyms, saunas and spas, gourmet restaurants, luxury bathroom products, premium bedding and more. What also sets 5-star hotels apart is their guest-focused standard of service. You'll enjoy things like in-room massages, nightly turn-down services and concierge services. Some may also offer extra touches such as a welcome gift.