Giulia's appartment is very nice one, everything what you need is available, the WiFi is good. It's in a quiet neighborhood but close t some pretty good restaurants and near to Strass nova where you can do all your shoppings.
Very close by is restaurant Paradiso perduto where you can eat good in a pleasant atmosphere and often there is nice live music.
Of course Venice is a very beautiful town and in winter not very crowded...