Board a normal timber boat for a conventional caldera travel, end for swims, seek advice from the volcano
https://telegra.ph/How-to-Find-a-Tour-on-Santorini-Insider-Tips-for-Santorini-Day-Tours-and-VIP-Experiences-08-24
Board a regular wood boat for a vintage caldera travel, prevent for swims, seek advice from the volcano, and enjoy onboard memories and snacks.