In Calvert, a hotel is required to offer a specific amount of top-notch amenities to earn 5 stars. These may include on-site gyms, spas and saunas, gourmet restaurants, premium bedding, complimentary luxury toiletries and more. What also sets 5-star hotels apart is their exceptional service. You can look forward to things like nightly turn-down services, in-room massages and concierge services. Some may even offer additional touches such as welcome gifts.