I'm curious how long it might take on a day when the ship is docked (not for embarkation) to get outside the port to meet (with police presence!!) a taxi driver or tour provider.  It sounds like a shuttle will be provided by the port to outside to a staging area.  So if that's correct, would you think maybe a half hour would be needed to get on a shuttle and be taken to a place where you could meet a driver?  And also, are taxis available on embarkation day?  We'll be staying over a day so need