The main thing is to make the most of the tourist, while terrible service and support!
Then, after the excursion on the boat, there were fees for the bus and a night transfer to Venice. Where the bus again offered its own transef (departure by boat to Venice costs 24 euros per person (This means that you are brought to San Marco and taken away from there and from you have free time there, while you no longer see any islands in Venice, and if you want, you pay an additional 7.