The place fulfills the description. Remember to carry the city tax which should be payed on cash. The amenities are good. I would say that maybe three people fit in the place: two would have to share the bed and the other can use the futon.
Also, one has to walk a bit, specially if interested in going to the Doge's palace and the basilica (probably the main city attractions), so be prepared to walk. Also with luggage from the train/bus station.
I would recommend the place.