Staying a the apartment of Emma and Annette was a great experience. At first the usual things:
The "dormitory" is composed of two united rooms. There are four bunk beds to accommodate up to eight people. Looking out of the windows you'll see a canal, another building in front of you and the top of the bell tower of Saint Marcos Square. There are two bathrooms (a shower/bathtub and a toilet each) which are obviously shared, a kitchen (coffee and a few sweets for breakfast are included, also the tap water is save to drink) and sort of a living-check-in-and-out-room.
The apartment is cleaned every day.
I'd like to point out a few things: First point: the location is great! After a walk of three minutes you'll reach Saint Marcos Square and within other three minutes you are at the Vapporetto-Station from which you'll reach nearly every point in Venice directly by boat.
The second point might seem a bit odd, but I really appreciated the fact that there was a great number of young and open-minded people. This made the whole stay very lively, because we spent some evenings together and had e really good time.
Overall it was a very nice stay and I recommend it to everyone, who likes to meet other people, who's spontaneous and outgoing, and who looks for a central location in Venice.