Celebrity Cruises and deluxe sister brand Azamara Cruises said that beginning April 1 and running through April 30, 2009, cruisers can book a limited number of berths on select Alaska and Europe sailings at a two-for-the-price-of-one rate based on published brochure rates. Any of these cruises booked during April 2009 also feature a price-protection component and a travel agent booking incentive.

Royal Caribbean International today announced the inaugural season of Allure of the Seas, 42 sailings to the Eastern and Western Caribbean on seven-night voyages every Sunday beginning December 12, 2010.

SeaDream Yacht Club is offering savings on select Caribbean and Mediterranean voyages this spring and summer. The savings are between 34 and 64 percent on SeaDream I and II.

Carnival Cruise Lines added new four- and five-day cruises with day-long calls at Cabo San Lucas to the Carnival Elation’s schedule from San Diego in July 2009. The Cabo voyages are in addition to the ship’s three- and four-day Baja program.

Avalon Waterways in 2010 will christen two new ships in Europe and will increase its vacations by nearly 20 percent with more than 30 itineraries of five to 23 days in Europe, China, Egypt and the Galapagos. Avalon Waterways has created five new river cruises for 2010.

Royal Caribbean International will base three ships in the Northeast U.S. in 2010, offering cruises to Bermuda, the Caribbean, Canada and New England from four homeports.