The social building Club Marítimo de Santander is next to the marina and the Monument to the wreckers, Santander bay in full. It is a white three-storey building, built in 1925 on pivots in the middle of the sea. Inside it has several rooms and offices for its members (dining room, billiards room, chat rooms, bar, terrace ...) as well as administrative offices. In raw wood decor, plus trophies and pictures with pictures.The Club organizes regattas and sporting competitions. also by the social building a dock for sailboats and yachts, with a capacity of 225 berths in the inner harbor of Puertochico.