Seabands don't work for everyone, so don't count on them alone.
It's Bonine, not Bodine and is easy to find in any pharmacy. No noticable side effects, either. I've heard the patch can make you drowsy.
Bonine is also available from the purser's desk for free.
Carnival Elation March 11
Carnival Imagination Sept 07
Carniival Sensation Dec 06
RCI Sovereign of the Seas Sept 06
Carnival Miracle Sept 05
Carnival Glory Sept 04
Carnival Fantasy Jan 04