Board a common picket boat for a traditional caldera excursion, forestall for swims, go to the volcano
https://gpahobbies.com/idiotiki-periigisi-axiotheaton-sti-santorini-o-pio-anetos-tropos-na/
Board a ordinary wooden boat for a conventional caldera travel, forestall for swims, stopover at the volcano, and experience onboard experiences and snacks.