Sail the Aegean on a catamaran tour, swim in warm springs, snorkel close to volcanic reefs
https://elliottwnrs026.brightsora.com/posts/santorini-daily-tours-what-to-expect-and-how-to-choose-2
Sail the Aegean on a catamaran travel, swim in hot springs, snorkel near volcanic reefs, and appreciate a Greek meal at the same time as cruising the caldera.