The four of us stayed here for 3 nights and really enjoyed the comfort of this spacious apartment. From the train station it's about a 15 minute walk, although Francesca arranged to meet us nearby as it's difficult to find street/house numbers in the maze of Venice streets. She also arranged for transfers to the airport at the end of our stay.
As described, the view really immerses you in what Venice is all about - canals and boats. It's about a 1/2 hour walk to San Marco or a 40 minute vaparetto ride. The wi-fi was reliable and we used the washing machine as well. We didn't use the extra bedroom although it looks like it would be sufficient for children. There are 2 bathrooms - one large one connected to the back bedroom (the one not on the canal), and a smaller one with a shower. Very clean. Kitchen had everything we needed to cook a couple of meals. After many stairs in Italy it was nice to only have the one sshort flight to go up.