Quiz: What is the primary reason for the striking blue color of th May 27, 2025 by Elena Skye What is the primary reason for the striking blue color of the Aegean Sea surrounding Santorini? Discover more about Santorini Travel at our home page. A) The presence of microscopic phytoplankton that reflect light. B) The high mineral content of the water. C) The deep ocean currents that flow through the area. D) The unique volcanic activity that alters the water’s chemistry. Submit Answer