Try a break of day journey to overcome the crowds, watch light spill over the caldera
https://gunnerwkks834.readspirex.com/posts/santorini-day-tour-itinerary-see-the-best-in-one-perfect-day-3
Try a break of day excursion to overcome the crowds, watch gentle spill over the caldera, and seize serene streets earlier the island wakes up.