The appartment is really big, and the location very nice - off the tourist track, quiet and a few steps from the beautiful Dorsoduro and vaporettos. Appreciated the airco - if you opened windows, the mosquitos would fly inside to bother you!
Some dampness from the water - the plaster is flaking off the walls, but this is Venice :) some TLC would do the place good (the sofa covers were a bit torn, the fridge door loose). But these are really non-issues.
Overall, we had a great time!