In Kirwin, a hotel needs to provide a specific number of upscale amenities to be designated 5 stars. These can include gourmet restaurants, on-site gyms, saunas and spas, luxury toiletries, premium bedding and more. What also sets 5-star hotels apart is their guest-centric standard of service. You'll enjoy things like in-room massages, concierge services and nightly turn-down services. Some may also offer thoughtful touches such as a welcome gift.