This apartment exceited our expectations : it is absolutely fabulous.
The location is the best : near all the sights of the San Marco part of town and in a little quiet street away from the noise and the masses of tourists.
It is near Rialto Bridge where there is a Vaporetto stop of line 1 (the one you need to get around on the Canale Grande) and line 2 (the one you need to get to the airportbus quickly).
An extra advantage of the location is that there are 2 supermarkets at 200 meters from the apartment and the Rialto market (fresh fish and vegetables) is a short walk or 1 vaporetto stop away.
The apartment itself is much bigger than it looked to us on the photographs.
It was extremely clean.
The beds are very good and the fact that there are 2 bathrooms is a bonus.
The kitchen has all the utilities you can think of and more.
In fact, we have never stayed in a rental apartment that had so many good pots, pans, a wonderfull Bialetti coffeemaker, a cheese grinder, plates, glasses, etc.
The airconditioner was absolutely necessary during the hot days and nights when we were in Venice and it worked perfectly.
We also liked that the second bedroom can be used as a part of the living area during the day and can be closed with sliding doors (sliding doors in all of the apartment) at night.
There is one small inconvenience : the wifi connection failed sometimes so we had to shut down the modem en restart it again.
When we arrived in Venice at Piazzale Roma, I phoned Stefano and he said one of his collegues would pick us up at Rialto vaporetto stop.
There was a charming man waiting for us to guide us through the narrow streets to the apartment.
He explained everything about the apartment very precisely, showed us everything and was open to all of our questions.
We highly recommend this apartment and will stay here again when we visit Venice again.