With superb relaxation and spa facilities, including a seasonal outdoor swimming pool, this is a luxurious, modern and renovated historical building in a tranquil setting of Solares. Somo and Loredo Beaches are just 6.2 mi from the hotel, while Santander is 11 mi away. Free WiFi is provided and free public parking is available on site. The Castilla Termal Balneario de Solares rooms are comfortable and modern, with natural light and big windows overlooking the park or the garden. They include a air conditioning, a mini-bar, and a TV. The bathroom comes with free toiletries, bath, and hairdryer. Guests have access to the hotel's spa, the well-equipped fitness center, and the indoor and outdoor swimming pools. At night, enjoy traditional regional specialties or international favorites at the Castilla Termal Balneario de Solares restaurant. ; Providing free toiletries and bathrobes, this double room includes a private bathroom with a bath, a bidet and a hairdryer. The spacious air-conditioned double room provides a flat-screen TV with cable channels, a mini-bar, a wardrobe, a safe deposit box as well as garden views. The unit offers 3 beds.