Spacious Accommodations Fuerte El Mazo in El Dueso offers a spacious, recently renovated apartment with three bedrooms and two bathrooms. The property features parquet floors and a private entrance. Modern Amenities Guests enjoy a terrace, balcony, and free WiFi. The apartment includes a kitchenette, washing machine, and a spa bath. Additional amenities include a hot tub, family rooms, and garden and mountain views. Prime Location Playa de Berria is a 12-minute walk away. Santander Airport is 26 mi from the property. Nearby attractions include Puerto Chico and Santander Port, each 28 mi distant.