Royal Caribbean Begins Construction on Seventh Oasis Class Vessel Maritime Activity Reports, Inc. June 14, 2026 Source: Royal Caribbean Royal Caribbean has celebrated the keel-laying of its seventh Oasis Class vessel at the Chantiers de l'Atlantique shipyard in Saint-Nazaire, France.  The soon-to-be-named ship will join the revolutionary Oasis Class lineup in 2028.  The vessel follows Oasis of the Seas (2009), Allure of the Seas (2010), Harmony of the Seas (2016), Symphony of the Seas (2018), Wonder of the Seas (2022), and Utopia of the Seas (2024).