deep blue waters; white, red and black sand; vertical cliffs; red and black volcanic pebbles and spectacular rock formations'some people like them, some don?t? but all of them admit: the beaches of santorini are the strangest, the oddest they have ever seen ! santorini's coastal treasures have been profoundly influenced by the volcanic nature of the island. its unique lunar landscape and the exceptional clarity of the aegean sea are simply superb. let us guide you along the crystalline beaches which form an uninterrupted line along the island's windswept shores so that you can get an idea of their mysterious, awe-inspiring and curiously compelling beauty!start your journey in the northern part of the island at the sun-drenched beaches around oia; they have a wild untamed beauty and most of them cannot easily be spotted from the main road. ammoúdi, on the harbour of oia, is a picturesque beach lined with charming cafes and restaurants. the small beach of arméni with its azure waters and magnificent view of the island of thirassia can either be reached by boat from ammoúdi or on foot. there is a small footpath connecting oia with arméni, but if you find it hard to climb up and down 286 steps, riding a donkey is the alternative solution! a diving centre is also available for adventure-seeking beachgoers. looking for a little seclusion and serenity? baxédes (or paradisos), a quiet beach with black sand and chiselled rocks or the black-grey sandy beach of kolúmbo (mostly frequented by nudists) are the ideal choice?according to volcanologists, the largest active underwater crater of santorini is located in kolúmbo! káthar's beach will impress you with its wild landscape whereas porí is a quiet family beach!