The main auditorium hosts up to 1,401 spectator over three floors. It is a unique space due to its unusual location: below sea level.
Hall A is divided into 3 many parts: the parterre, closest to the stage, with a capacity for 565 spectators; the amphitheatre 1, with a capacity for 498 spectators; and the highest, the amphitheatre 2, which can hold 332 spectators.
Thanks to the dimensions of the stage area and the large surface of the stage itself, 224 m2, even the largest shows can be put on here. It boasts the most modern infrastructure and technology.
This hall has 4 simultaneous translation booths which means a conference can be followed in four different languages.
It has screens, projection and sound equipment, microphones, lighting bridge and all of the resources required to carry out a congress or cultural activity in the programming of shows. This hall is fully accessible and has 6 places reserved for wheel chairs.