Royal Caribbean International ship Icon of the Seas has hit a key construction milestone following a keel-laying ceremony at the Meyer Turku shipyard.

A 3,000-ton crane lifted a steel block onto the ship’s building dock and on top of minted coins, representing the shipyard and cruise line.

The ship is due to launch in autumn 2023.

At the ceremony, the working teams constructing Icon of the Seas were joined by Jason Liberty, president and CEO, Royal Caribbean Group; Richard Fain, chairman, Royal Caribbean Group; Meyer Group managing partner Bernard Meyer; and Meyer Turku CEO Tim Meyer.

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The line’s president and CEO Michael Bayley said: “Five years ago, we began dreaming of Icon of the Seas, and now the next phase of this iconic adventure is beginning.

“As this game-changing ship takes shape, the excitement from families and travellers alike, travel advisors and our partners continues to build.

“Later this year, we’ll reveal the lineup of firsts and favourites that will set a new standard for vacations come fall 2023.”

Icon of the Seas will be one three Royal Caribbean ships to be powered by liquefied natural gas. The cruise line said the ship will be an “important step” in its “journey toward a clean energy future”.

The line recently launched Wonder of the Seas, classed as the world’s largest cruise ship.

Travel agents can also access a new app, featuring exclusive news and notifications, as well as flash sales and competitions.