The best way to reach Venice is by train. Stop name: Venezia Santa Lucia.
If you want to see the city where Romeo and Juliet met and died, this is the place for you!
If the weather is nice you can take a scenic boat trip through Venice to Lido.
If you have a car, you can drive to lake Garda in about 2 hours, where you can enjoy a nice meal with a view of the lake.