Board a usual wooden boat for a vintage caldera excursion, end for swims, talk over with the volcano
https://zanetzqu761.urbanvellum.com/posts/santorini-luxury-tours-yachts-helicopters-and-five-star-tastings-2
Board a regular picket boat for a classic caldera travel, end for swims, stopover at the volcano, and savor onboard tales and snacks.