The offer applies to cruises six days and longer to all destinations, with departures summer 2016 through spring 2017. More than 700 voyages are on sale.
Examples of 'Twice as Nice' deals include a six-day western Caribbean cruise priced starting at $549 in an inside room, reduced from $599, and $799 in a balcony accommodation, down from $949. Plus, travelers receive up to $300 on-board spending money per stateroom.
A 10-day Alaska Land and Sea vacation starts at $1,754 in an inside room, reduced from $1,954, and $2,999 in a balcony accommodation, down from $3,204. On-board credit up to $300 per stateroom is available.
A 14-day Mediterranean cruise has fares beginning at $1,949 in an inside room, down from $2,548, and $2,749 in a balcony room, reduced from $3,348. Up to $600 per stateroom in on-board credit is available.
The 'Twice as Nice' sale runs through Feb. 29 and is open to residents of the US, Canada, Puerto Rico and Bermuda.