Big Spender is a sauna club, sex club, and FKK (naturist) club located in Kassel, Germany, established since 1973. The club offers wellness facilities including a sauna and pool, as well as erotic massages and hostess services. Entry is free, with drinks starting from €5. Room rental is available for €20, and erotic services from €50. A designated smoking area is provided within the club. Open Monday to Saturday from 8 PM until 4 AM. Closed on Sundays. Prices are indications, not quotations: the figures above were the ones the venue advertised on its own site when this page was written, on 29 August 2026, and are confirmed at the point of purchase.