The performance hall can accommodate from 500 to 1,000 people in seats (armchairs), decks and bleachers, and up to 1,500 standing people. Used as a show version, with a floor and a bleacher, the room can accommodate 1004 seats. Without bleachers, the space available for concerts, weddings and gala events can accommodate up to 1,400 people. The 14m x 14m reversible stage can open onto an outdoor space with a capacity of 4,000 to 5,000 people.
Le Dôme is also equipped with a large professional kitchen, equipped for the preparation by catering of 800 meals.