Try a dawn journey to conquer the crowds, watch mild spill over the caldera
https://apds.ircam.fr/index.php/Private_Santorini_Tours:_Tailor-Made_Itineraries_for_Every_Traveler
Try a first light travel to conquer the crowds, watch faded spill over the caldera, and seize serene streets sooner than the island wakes up.