Board a conventional picket boat for a traditional caldera travel, cease for swims, consult with the volcano
https://cashtuqd863.wordcanopy.com/posts/santorini-day-tour-itinerary-a-perfect-one-day-plan-to-see-the-island-s-top-highlights-2
Board a ordinary wood boat for a vintage caldera excursion, give up for swims, seek advice from the volcano, and savor onboard stories and snacks.