Public Transport

The public boats called vaporetti and motoscafi run almost constantly, and you'll seldom have to wait more than a few minutes for one to come along. The standard waterbus or autobus fare is a rather steep € 7.50 for the popular lines on the Grand Canal. However, you can save money with a 1-, 3-, or 7-day ticket.
Venice Vaporettos and Public Motoscafi

You can buy the ACTV tickets at the ticket booths at the docks or the VE.LA. ticket offices. You can also buy tickets from one of the many authorised sellers (tobacconists’, newspaper stores and...

More details
Another way of Public transport in Venice - Gondola Traghetto

The Traghetto is a ferry, gondola ferry, that cross the Grand Canal in seven points between the railroad station and St. Mark's Basin....

More details