Royal Caribbean World Cruise 2024 Itinerary. The adventure begins and ends in miami, florida, visiting all 7 continents, 65 countries, 150 ports of call, with 16 overnights and 8 world wonders.  — this rich, immersive experience on serenade of the seas is the longest and most comprehensive world cruise out there, sailing roundtrip from miami on dec.

10, 2023 and through sept.  — consider key factors such as itinerary variety, onboard amenities, cabin options, and value for money when selecting the best cruise line for your caribbean adventure in 2024.