Black sand beaches are located all over the world, from the sheer-sided caldera of Santorini in Greece to the geothermal hotspot of the Canary Islands, as well as mountainous Hawaii, lush Tahiti, Japan, and several islands in the Caribbean.
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Ureki Beach: GeorgiaRegarded as the only magnetic black sand beach in the world, this stretch of soft black sand sits along the country of Georgia's Black Sea coast in the small coastal town of Ureki.
Swimming and Snorkeling at Punalu?u Black Sand BeachIf it is calm out you can swim or snorkel in the bay. The northeastern end of the beach has minimal lava rocks at the water's edge allowing for easy entry. Water shoes are recommended because of the rocky bottom.
Bioluminescent phyto plankton around the Maldives occasionally washes up onto the shore, making the sand glow in the dark in a dazzling shade of aqua blue.
Black beaches are so rare because they're only formed under very specific conditions. Essentially, when hot lava is rapidly cooled by the ocean, basalt rock is formed and shattered into tiny pieces and black sand.
Also known as Mahana Beach, Papakolea Beach possesses one of the rarest sand colors in the world: green. This Hawaiian beach is home to miles of green sands that twinkle under the tropical sun.
One of the main highlights of Pfeiffer Beach in Big Sur is the famous purple sand. Erosion of the cliffs above, which contain Manganese garnet rocks, is responsible for the incredible plum-like colors you see here.