Try a daybreak tour to beat the crowds, watch gentle spill over the caldera
https://jaidenokez728.timeforchangecounselling.com/how-to-find-a-tour-on-santorini-insider-tips-for-the-best-santorini-tours-1
Try a dawn tour to conquer the crowds, watch gentle spill over the caldera, and trap serene streets earlier than the island wakes up.