Hotel Alfonso I offers a variety of rooms including Single Rooms, Twin Rooms, Superior Single Rooms, Superior Double Rooms, Economy Double Rooms, Quadruple Rooms, Budget Double Rooms, Deluxe Queen Rooms, Triple Rooms, Suites, Double Rooms with Terrace, Deluxe Rooms, and Economy Single Rooms. Smoking is not allowed in any of the rooms. The rooms accommodate different numbers of adults and children, and have different bed sizes and room sizes.

Guests at Hotel Alfonso I can spend their time enjoying the various leisure amenities available. They can start by relaxing in the steam room, spa tub, sauna, or hot tub/jacuzzi. For those who prefer to stay active, there is a tennis court where they can get some exercise. The hotel also provides beach umbrellas for guests to use when visiting the nearby beach.

The hotel bar offers a place to unwind and have a drink, while the fitness center is perfect for those who want to stay in shape during their stay. The sun deck is a great spot to soak up the sun and enjoy the beautiful views.

In addition, the hotel offers various outdoor activities such as bicycle rental, bike tours, walking tours, horseback riding, cycling, hiking, canoeing, ping-pong, and fishing. Guests can also relax in the spa lounge/relaxation area.

For dining options, guests can enjoy a meal at Elniñotrasto, the hotel's onsite restaurant, which offers a family-friendly, modern, and romantic ambiance with Mediterranean cuisine.

Yes, you can use your credit card at Hotel Alfonso I. The hotel accepts Visa, American Express, Mastercard, Red 6000, and Maestro. However, it is important to note that cash payments are also accepted.