The three star Palacion de Tonanes is an old 'casona' dating back to the 18th century. It is located between the villages of Santillana del Mar (seven kilometres) and Comillas (nine kilometres). The beach of Cobreces is one kilometre away and the Caves of Altamira are nine kilometres away.

Facilities at the hotel include 5,000 square metres of gardens, lounge with fireplace, terrace, garden, car park, room service, laundry service, reading room, games room with table games and a restaurant.

The Palacion de Tonanes offers seven double rooms, four double rooms with terrace and one junior suite, all with central heating, television, telephone, internet access, mini bar and bathroom with hair dryer. The junior suite has a jacuzzi bathtub.