In Premont, a hotel must provide a specific level of upscale features to earn 5 stars. These can include gourmet restaurants, saunas and spas, on-site gyms, complimentary luxury toiletries, premium bedding and more. What also sets 5-star hotels apart is their guest-focused service. You can expect things like nightly turn-down services, concierge services and in-room massages. Some may also offer thoughtful touches like a welcome gift.