A lush rainforest-covered island nestled between two volcanic peaks, the UNESCO World Heritage Site known as the Pitons, St. Lucia is the definition of a tropical paradise. Cruise to St. Lucia and visit the famous Pitons, journey to the only drive-through volcanic cavern in the world, or experience the sulfur mud baths and recharge your batteries in ancient pools. Travel to the town of Soufriere, supposedly the birthplaces of Napoleon's Queen Josephine, zipline through the lush jungle canopy, or relax on one of the islands many resort beaches., Find the best Southern Caribbean cruise deals and get ready to stroll down the pink and white-sand beaches before snorkeling among sea turtles and shipwrecks. Enjoy your best vacation yet onboard Royal Caribbean Cruises, Sit back and relax on a Southern Caribbean cruise. Explore the remote, secluded and gorgeous islands of the Southern Caribbean with Princess Cruises..