this is not airbnb spirit : flat rented by a Professional rental society, using students to welcome you, be careful after 7 pm you have to pay 25 euros more after 10.30 pm 45 euros. becareful the check of is at 10 pm!!, you can not let your luggage so if your plane is very later, you lose a day visiting venice.
when you leave, you let the keys Inside and nobody asks you if evrything is ok.
postive points now : the flat is correct, closed to the rail station, 25 walking to san marco, be careful the staircase is difficult, after climbing two scales et giong throw a little window, you can rich a very nice little terrace on the roof with a nice view.
as the flat is Under the roof, it is hot Inside when there s hot weather.
i would not advise because it is just a buissness, no human relation.