Home / Royal Caribbean / Symphony of the Seas Wikimedia Commons About the ship Oasis-class cruise ship built in 2018 Description from Wikipedia, CC BY-SA. Identity: Q30125043 · IMO 9744001 · Built 2018 Operator Royal Caribbean International Passengers 6,680 Gross tonnage 228,081 Year built 2018 Royal Caribbean Symphony of the Seas 3.8 from 9 ratings 13 sailed · 1 bucket list .5 1 1.5 2 1 2.5 3 3 3.5 2 4 4.5 3 5 3.8 9 ratings