In Ma Ha Chai, a hotel is required to offer a certain number of upscale amenities to be rated 5 stars. These may include saunas and spas, on-site gyms, gourmet restaurants, luxury toiletries, premium bedding and more. What also sets 5-star hotels apart is their guest-focused service. You'll enjoy things like nightly turn-down services, concierge services and in-room massages. Some may even offer special touches such as a welcome gift.