A brand-new cheap student hotel with 120 bed (1, 2 or 4 bed rooms) can be booked online for 23 eur per day and bed in rooms with separate bath room.
It will be sold out fast as this information will also be distributed to other WW sailors on Saturday 18.05. https://www.wiro.de/wirotel-mittelmole/wir-ueber-uns.html