In Karumai, a hotel must provide a certain amount of upscale amenities to earn 5 stars. These may include on-site gyms, saunas and spas, gourmet restaurants, 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 nightly turn-down services, in-room massages and concierge services. Some may even offer special touches like a welcome gift.