Weight and features It weighs about 227,000 tons. It consists of a host of architectures including water slides, indoor rock climbing, ice-skating rink amongst others. Robot bartenders It features a “bionic bar” where two robotic bartenders serve drinks. The cruise The largest cruise ship in the world will take off from Southampton, England to Rotterdam in Netherlands. It was built by STX France at the Chantiers de l'Atlantique shipyard in Saint-Nazaire, France for Royal Caribbean International.The ship is heavier than MS Oasis of the Seas and MS Allure of the Seas by 2,000 tons, and longer by 2metres or 7 feet. Construction was completed in 19 June 2015, and delivered to Royal Caribbean on 12 May 2016.