Norwegian Cruise Line is offering up to $250 per stateroom shipboard credit, free balcony upgrades and reduced deposits on cruises booked Dec. 20-27.

Air credits up to $1,000 also are offered on select sailings. Military, Latitudes Rewards and AARP discounts are also available on some departures.

The promotion is good on the line’s newest ship, Norwegian Getaway, which will debut in February in Miami, as well as other vessels. The Getaway will operate seven-day Eastern Caribbean cruises year-round, visiting St. Maarten, St. Thomas and Nassau. Fares start at $679 per person, double occupancy.