International Guests can Sail on Royal Caribbean International's Popular Ocean Getaways as soon as April 2022 SINGAPORE, Jan. 28, 2022 /PRNewswire/ Holidaymakers can now pack their bags from April 11, 2022 for the ultimate adventure on board Royal Caribbean International's Spectrum of the Seas, Asia's largest, newest and most innovative ship, for spectacular 3- to 4-night Ocean.