The press was gathering daily the "Veraneo Regio" (“Royal Summer”), informing about the life and activities of the Royal Family who was frequenting the beaches of El Sardinero, famous internationally for the "Banos de Ola” (Bath of Waves). In this beach the Royal family installed
"La Caracola” (“The Shell"), a shed where the whole family was almost daily. While in the Palace there were celebrated numerous activities of great resonance and meetings with some Ministers' Councils
In the different summer visits The Kings inaugurate different official centers, as the Municipal Library or the Mercantile Bank and they were interested in the problems of the city, where also the Spanish aristocracy used to come to spend the summer. El Sardinero and the streets of around suffer a great transformation with the construction of villages and houses for these new people. Besides the Royal Hotel, the new Great Casino of El Sardinero, one of the most ancient of Spain and Bellavista's Racetrack that will turn into the center of leisure and culture of Santander in this epoch.
In the decade of the twenties the International Summer Courses of Santander were created and in 1932 the International University of Santander, this one was celebrating the courses at the Auditorium that was constructed for this effect and the Caballerizas remodelled as students' residence from 1933, his first rector was Menéndez Pidal.