In Castelo do Piaui, a hotel needs to offer a certain level of upscale conveniences to earn a 5-star rating. These can include gourmet restaurants, saunas and spas, on-site gyms, premium bedding, luxury toiletries and more. What also sets 5-star hotels apart is their extraordinary standard of service. You can expect things like concierge services, in-room massages and nightly turn-down services. Some may even offer additional touches such as welcome gifts.