The Flens-Arena is a multi-purpose hall located in the middle of the campus, which can host up to 6,500 spectators. Fairs, concerts, parties and other events regularly take place here. It is also the home of SG Flensburg-Handewitt handball club (Premier league/Bundesliga), which plays its home games here. The main sponsor of the hall is the Flensburger Brewery (Flensburger Brauerei).