Quiz: What is the primary reason for the unique colors of the beac June 30, 2025 by Elena Skye What is the primary reason for the unique colors of the beaches in Santorini, such as black, red, and white? Discover more about Santorini Travel at our home page. A) Volcanic activity that created different types of minerals in the sand B) The influence of nearby coral reefs C) Pollution from cruise ships affecting the sand color D) Artificial dyes used to enhance beach aesthetics Submit Answer