Board a typical wooden boat for a vintage caldera tour, give up for swims, discuss with the volcano
https://titusexbu615.bearsfanteamshop.com/santorini-day-tour-itinerary-see-the-island-s-highlights-in-one-day
Board a typical picket boat for a basic caldera excursion, give up for swims, talk over with the volcano, and appreciate onboard testimonies and snacks.