Garry, that is a fantastic amount of information contained in that document!!! 
Thank you! 
I thought this was interesting (and it's right at the beginning)
Taxi fares are half of what the cruiseline charges for transfers.
Getting To/From Cruise Ships:
The Marittima cruise ship terminal is a secure area. The most direct route to acruise ship from the airport/mainland is via taxicabs or a
bus chartered by the Cruise Line. A taxi is about half the
cost of the ship's chartered bus. Public buses do not stop at
the ship terminal, they stop at Piazzale Roma about a mile
away. The new People Mover connects the ship terminal
to public buses and taxis from the mainland in Piazzale
Roma. You can walk from Piazzale Roma to to the Grand
Canal for boats and to the Venice train station
Bookmarks