Royal Caribbean International’s Mariner of the Seas arrives in Galveston, Texas, today, Nov. 11, while Voyager of the Seas enters New Orleans and Jewel of the Seas enters Tampa on Nov. 12. The three ships will operate from the Gulf of Mexico ports seasonally through April.

Royal Caribbean International’s Splendour of the Seas will end its revitalization on Nov 25, 2011, with more than twice the number of dining options previously available to guests. The enhancements include a variety of new restaurants first introduced aboard Oasis-class ships.

Costa Cruises has added the 927-guest Costa Voyager to its fleet, transferring the vessel from Iberocruceros, its Spanish brand, where it sailed as Grand Voyager. Costa Voyager will operate weeklong cruises in the Red Sea calling at destinations in Egypt, Israel and Jordan throughout 2012.

The surprise news has broken in Bermuda that after fifteen calls this year by Carnival Cruise Lines, the line has cut back its 2012 program from a dozen calls to just one next April. The curious thing is that no one seems to have said why this is happening, except that Carnival has planned alternate itineraries elsewhere.

Miles Morgan Travel in the U.K. chartered the Azamara Journey for a cruise commemorating the 100th anniversary of the Titanic’s sinking. The cruise departs from New York on April 10. Lecturers include Capt. Bill Wright, of Royal Caribbean’s Allure and Oasis of the Seas; Bill Miller, an ocean liner historian; and Ken Marschall, a recognized Titanic artist.

Costa Cruises’ Costa Romantica entered an Italian shipyard to undergo a €90 million (about $124 million) renovation and restyling. The work is scheduled for completion in February, when Costa Romantica will be renamed Costa neoRomantica.