One of the most popular beaches of Santorini is undoubtedly Red beach, a stretch of red sand beach in the southwestern part of the island. This particular color originates from the erosion of the rocky wall located behind the beach, which is precisely red in color, which over time has also given the sand a reddish color. Even if it will take a few minutes to walk to the beach, the turquoise sea and the uniqueness of this place will repay all your efforts.