GSI offers two lodging facilities :
It is dedicated for beam-time users (they have priority). Rooms with private bath and phone; location: GSI-campus. Price: 32 € per night. Online reservation.
Single and double rooms most of them with shower; location: Messeler-Park-Strasse 121 (15 min walking distance to GSI). Price: 19 € per night. Reservation requests.For more information you can contact GSI Guest-Office : email@example.com
Hotel near GSI:
a list of hotel can be found here.