In Keylong, a hotel must offer a specific amount of high-end conveniences to earn a 5-star rating. These may include on-site gyms, gourmet restaurants, saunas and spas, luxury bathroom products, premium bedding and more. What also sets 5-star hotels apart is their guest-centric service. You'll enjoy things like in-room massages, concierge services and nightly turn-down services. Some may even offer special touches such as a welcome gift.