My wife and I, along with our three children (young teens) just stayed here and we were really happy that we did so.
The apartment was huge. (Three bedrooms that had queen-sized beds, a fourth bed that had two twin beds, and a large living room that had a sectional couch that could sleep two more people if needed. I'll note that one of the bedrooms was a loft that went directly up from one of the other bedrooms. There were also three bathrooms, a kitchen, and a dining area with a large table. The apartment has a washer and dryer too.)
Everything was clean when we arrived.
The wifi worked great (even my children were pleased with it). The apartment has air conditioning which was nice since the temperatures when we stayed in late July were in the 90s.
The location is also great. It is about a two minute walk from the Ca' D'Oro vaporetto stop. The view from the living room windows (which have two very small balconies) was amazing. The Rio di San Felice runs in front of the apartment and you can look down it all the way to the Grand Canal (which you can just barely see to the right). To the left you can see the Ponte Chiodo. Directly in front of the windows is the riello de Santa Sofia. The views of these canals is amazing. The location is also nice because it is quiet, but also pretty close to everything. (Also nice is that there is a Coop grocery store just down the street.)
If we ever come back to Venice, we will try to stay here again.