The cruise line, a subsidiary of New York-listed Royal Caribbean Cruises, plans to add new staterooms as part of the revitalisation of the 3,114-berth Explorer of the Seas (built 2000).

Cruiseship owners use scheduled shipyard visits to upgrade vessels, often adding capacity at a lower per-berth cost than a newbuilding.

The ship's repositioning from the United States replaces plans announced last month to move 3,114-berth Adventure