The closest Hotel to Bifeb (just 7min by foot) is:

Address: Bürglstrasse 18
5350 Strobl
To book a room, please contact directly and let them know that you are a "participant of the CMAM-Conference at bifeb". Then you will get a cheaper price (single room about € 44 per night with breakfast, double room ca. € 39-46 per person).

An other Hotel:
"Seehotel Lilly" (about 8 min by foot)
Address: Bürglstraße 116
5350 Strobl

There are more hotels and guesthouses in and around Strobl ranging from economy to luxury.