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Half-day · Naples
Naples's half-day cruises trade postcard calm for something stranger and better: a volcanic coastline where castles, sea caves and a submerged Roman city all sit within a short boat ride of the port. The waters of the Baia submerged park are the headline act, and you can meet them either snorkelling on the Snorkeling in Baia: Explore an Ancient Submerged Roman City or, if you're certified, on the Certified Diving in Baia Submerged Park: Explore an Ancient Roman City. Closer in, shorter coastal runs past the Castel dell'Ovo and Posillipo suit anyone with only an afternoon to spare.
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