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