The four star Hotel Santemar is located next to the casino in Santander, as well as to shops and leisure and entertainment areas. The Sardinero beaches are just a few minutes walk away. The central railway station is located three and a half kilometres away.

The Santemar has nine floors and a total of 350 bedrooms, six of which are suites. Guests will find lifts, a reception area open 24 hours a day, a shopping centre, disco, cafeteria and a la carte restaurant. For those travelling on business there are several conference rooms equipped with modern equipment. Additional features include internet connection, room and laundry service and garage.

The hotel's bedrooms have a bathroom with shower, bath and hair dryer. They are also equipped with a telephone, internet connection, satellite or cable television, radio, mini-bar, safety deposit box and centrally regulated air conditioning and central heating. The suites are larger and have an independent lounge.