Board a standard timber boat for a basic caldera tour, stop for swims, talk over with the volcano
https://cristianiwru641.readspirex.com/posts/best-santorini-tours-from-cruise-ship-fast-track-shore-excursions-with-pickup-and-drop-off
Board a basic picket boat for a traditional caldera excursion, forestall for swims, consult with the volcano, and relish onboard stories and snacks.