Trade in those snowboots for a bathing suit this winter, and celebrate Christmas and New Year's Eve on a Caribbean cruise. This promotion shaves 20% off Royal Caribbean cruises -- recognized on the Conde Nast Traveler 2011 Reader's Choice Awards and the Travel + Leisure World's Best list.

All sailings include one bottle of wine and a $75 credit per inside cabin.

Christmas sailings, per person:

• $599 ... Dec. 24: 6 nights from Fort Lauderdale aboard Navigator of the Seas
• $699 ... Dec. 18: 8 nights from San Juan aboard Adventure of the Seas
• $709 ... Dec. 24: 5 nights from Tampa aboard Jewel of the Seas
• $799 ... Dec. 24: 7 nights from New Orleans aboard Voyager of the Seas

New Year's Eve sailings, per person:

• $599 ... Dec. 31: 7 nights from New Orleans aboard Voyager of the Seas
• $649 ... Dec. 31: 7 nights from Baltimore aboard Enchantment of the Seas
• $659 ... Dec. 29: 4 nights from Tampa aboard Jewel of the Seas
• $799 ... Dec. 30: 9 nights from Port Canaveral aboard Freedom of the Seas

These sailings feature stops in various tropical Caribbean destinations such as the Bahamas, Puerto Rico, St. Thomas, St. Maarten, Cozumel, Grand Cayman and Jamaica.

Also available: This sale also includes discounted oceanview cabins (with $100 credit per cabin) and balcony cabins (with $125 credit per cabin).