Board a normal picket boat for a traditional caldera excursion, give up for swims, stopover at the volcano
https://shanesnaz017.cavandoragh.org/santorini-guided-tour-vs-self-guided-which-is-right-for-you-2
Board a common wood boat for a traditional caldera tour, give up for swims, consult with the volcano, and get pleasure from onboard reports and snacks.