Club Underground U1 is a Viennese erotic club and a very popular one in the local swinger scene. It is also known for good electronic music, interior design featuring multi-colour LED lights and modern furnishing. The club is 550 m2 large and it is connected by a walkway to the Kino-Labyrinth 10 (erotic cinema).
The Club Underground U1 organizes events for couples only, mixed nights, so-called “Dark Night Disco,” fetish events and other thematic nights. The club adheres to the motto “Everything is allowed..