The port times for Cozumel and Grand Caymen have changed.  It was brought to my attention on cruisecritic.com.  I hadn't even noticed!!  I just wanted to give a "heads up" to the people that will be on this cruise, in case you have booked excursions outside of Carnival.  I don't know if Carnival mails out anything official to notify passengers or not, but when I go to "my reservations" on-line it does show different times now.  I booked way back in February, so it could be that the change has been there for a while and the times are already what you have been planning on.  But just in case ...