Board a common wooden boat for a vintage caldera journey, end for swims, consult with the volcano
https://telegra.ph/Santorini-Tours-Booking-Guide-Comparing-Private-Luxury-and-Guided-Daily-Tours-05-10
Board a average wood boat for a basic caldera excursion, stop for swims, seek advice from the volcano, and delight in onboard reports and snacks.