The "Man and the Sea" Museum is an open-air exhibition that brings together different elements that pay homage to the nine expeditions carried out between 1966 and 1992 by the Santander-born navigator Vital Alsar Ramírez.
This exhibition is made up of:
- The three galleons that Vital Alsar used in his oceanic adventures: the "Ana de Ayala", the "Cantabria" and the "Quintus Amazonas".
- A replica of the wooden raft on which he crossed the Pacific in 1970.
- A rescue bubble that was towed by the galleon "Cantabria" for more than 7000 miles.
- A bronze map showing some of the routes taken by Vital Alsar.
- A bronze mermaid, this is the figurehead of the "Marigalante", the work of the Mexican sculptor Enrique Jolly.

This museum is in an exceptional setting, as it is located inside the Peninsula of La Magdalena, next to a large terrace with views of the Sardinero.