Hotel Único Madrid is a boutique 5-star hotel located in the upscale Salamanca neighborhood of Madrid, near El Retiro Park. This hotel offers reservations without the need for a credit card, making it a convenient choice for travelers. The hotel features stylish and contemporary rooms with modern amenities, including free Wi-Fi, flat-screen TVs, and minibars. Guests can enjoy a variety of dining options at the hotel's restaurant, which serves a fusion of Mediterranean and international cuisine. The hotel also offers a fitness center, spa, and a rooftop terrace with panoramic views of the city. With its trendy design and excellent amenities, Hotel Único Madrid is a top choice for those looking for a credit card-free reservation near El Retiro Park.