Beautiful but expensive
Beautiful canals, good food and nice people. However, it is expected. You can manage to see the Venice's main offerings including some of the islands further a field in a 3 night stay.
Insider Tip:If you're under 24 and staying on one of the islands such as Giudecca buy a rolling Venice travel pass (24 euro), giving you unlimited travel on the vaporetta for 72hrs offering you the opportunity to explore the islands further a field such as Murano and Burano.