Board a classic timber boat for a classic caldera travel, discontinue for swims, discuss with the volcano
https://www.scribd.com/document/1037270800/Private-Santorini-Tours-Luxury-Itineraries-Sunset-Moments-and-Hotel-Pickup-Made-Easy-133618
Board a standard wood boat for a vintage caldera tour, stop for swims, consult with the volcano, and delight in onboard memories and snacks.