Carnival Cruise Lines is offering free upgrades and up to $160 in shipboard credit for departures in August 2010 to February 2011. Destinations include the Bahamas, Mexico, and other Caribbean locales, among others.
Passengers on three- to-five day cruises will receive $80 in shipboard credit per stateroom, while trips of six days or longer merit $160. Guests will also receive an automatic upgrade to the next best available stateroom.
Bookings must be made at the line's "Fun Select" rates before July 30.
(Photo: Carnival Ecstasy, © Carnival Cruise Lines)