Tue, 01/09/2024 - 16:00 Tech Insider Travel Travel Travelers can still book cabins aboard Royal Caribbean's nine-month Ultimate World Cruise.Joni Hanebutt/Shutterstock Tags Transportation, Travel, Travel, Cruise, ultimate-world-cruise, royal-caribbean, world-cruise, cruise-travel, extended-cruise Source It's not too late to sail on TikTok's favorite 9-month Royal Caribbean Ultimate…