If you choose to book a stay at a 4-star hotel in Duenas, you'll usually find loads of amenities to keep you comfortable, such as a restaurant, pool and gym. You can experience excellent service and upscale accommodations. Choose a 5-star hotel and you'll have access to a few more bells and whistles — think on-site spas, concierge assistance and nightly turndown services. You'll most likely get extra amenities and first-class services at a 5-star retreat, though both are great options for luxury guests.