Siesta Beach is a beach located on Siesta Key in the U.S. state of Florida. Unlike beaches elsewhere that are made up mostly of pulverized coral, Siesta Beach's sand is 99% quartz, most of which comes from the Appalachian Mountains. From Wikipedia
Tripadvisor's Travelers' Choice Awards highlight top beaches globally, with Elafonissi Beach reclaiming the top spot for its pink sands and clear waters.