Try a sunrise journey to beat the crowds, watch light spill over the caldera
https://troytvya660.brightsora.com/posts/top-santorini-island-tours-from-caldera-views-to-winery-tastings-and-hidden-villages-3
Try a daybreak journey to conquer the crowds, watch pale spill over the caldera, and catch serene streets previously the island wakes up.