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Royal Caribbean is filling its ships with more passengers, with plans to add cabins to its five Voyager class ships over the coming years.

Details were revealed by the line’s chief executive Adam Goldstein during a call to Wall Street analysts, USA Today reported.

An extra 75 cabins will be added to Navigator of the Seas; Adventure of the Seas; Voyager of the Seas; Explorer of the Seas; and Mariner of the Seas.

Mr Goldstein said additional space is in line with the line’s global expansion.

He said: “These ships… have played a vital role in our fleet since 1999.

“Although we once thought that they would only ever sail from South Florida to the Caribbean, in fact, Voyager class has pioneered the brand’s expansion into Europe and more recently, Asia.”

The first ship is expected to begin its cabin expansion in the coming months.

Meanwhile, Royal Caribbean has made adjustments to the reservation system to allow agents to offer guests current offers; instant display of best offer according to the customer’s preferences; instant application of promotions such as onboard credits and free beverage packages; and the ability to enter loyalty card details.

Offers are based on qualifiers such as the guest’s age, loyalty club status and address.

The changes apply to Royal Caribbean International, Celebrity Cruises and Azamara Club Cruises reservation systems.