The art gallery takes up the entire first floor of the building and includes works of art from painters related to Llavaneres, such as Masriera, Tolosa, Vancells and Opisso, and Catalan contemporary painters such as Ràfols-Casamada, Antoni Clavé, Antoni Tàpies or Guinovart.
Josep Borrell | Josep Lluís Núñez | Josep Torras i Bages | Josep Mestres Quadreny | Josep Maria Fusté | Josep Irla i Bosch | Josep Guinovart | Josep Vicenç Foix | Josep Vendrell | Josep Tarradellas i Joan | Josep Maria Subirachs | Josep Maria Flotats | Josep Lluis Mateo | Josep Gausachs | Josep Climent i Avinent | Josep Abril i Virgili | Jón Jósep Snæbjörnsson |
What the regional council allowed to auction includes 14 works by Antonio López, Eusebio Sempere, Josep Guinovart, José Moreno Villa, Alberto Corazón and Carmen Laffon, that earned the Ateneo 140 000 euros.