There are three small rooms on level -1 (basement): Gola, Corona and Bulevar. Access is from the street or the lobby. These rooms are used for conferences and breakout sessions in congresses. Two of them have fixed seats and the third is an open space.
Sala Gola, with 97 seats, covers 110 m2 and has audiovisual control and simultaneous interpreting booths.
Sala Corona, with 97 seats, covers 110 m2 and has audiovisual control and simultaneous interpreting booths.
Sala Bulevar covers 200 m2 and has capacity for 140 people in theatre layout and 75 in classroom layout. It has audiovisual control and simultaneous interpreting booths.