Hotel Don Carlos A warm welcome awaits you at the mid size, 3x000D star rated Hotel Don Carlos in Santander. Both on and off site car parking is available. Guests can enjoy a meal at the hotel restaurant. Meeting facilities and wifi are available. Room Features Hotel Don Carlos. All rooms have a hairdryer. Other Info. The hotel offers an airport shuttle service. Pets are most welcome at the hotel. A concierge service is available to guests.