Sail the Aegean on a catamaran tour, swim in warm springs, snorkel close to volcanic reefs
https://seo.org.gr/santorini-tours-what-they-cost-what-you-get-and-how-to-judge-value/
Sail the Aegean on a catamaran excursion, swim in scorching springs, snorkel near volcanic reefs, and delight in a Greek meal whilst cruising the caldera.