Try a sunrise tour to conquer the crowds, watch light spill over the caldera

https://vertaalbureau-juridisch.com/ekdromes-sti-santorini-apo-to-limani-kroyazieras-o-apolytos-odigos/

Try a dawn excursion to overcome the crowds, watch light spill over the caldera, and catch serene streets beforehand the island wakes up.