Renting a water taxi for a minimum of 3 hours makes it possible to visit either classic itineraries with no strict schedules, either less knows islands non-reacheble by public transportation, such as peaceful San Francesco nel Deserto, the Isola della Certosa, and San Lazzaro degli Armeni, often visited from Lord Byron.

This is really one pf the best ways to enjoy the real Venice

In a bit more time it's possible to reach beautiful Chioggia, a sort of small Venice located at the southern point of the lagoon.