7th Annual Siesta Key Crystal Classic Master Sand Sculpting Competition. Master Sculptors from across the U.S. will compete in paired teams for $15,000 in prize money. Activities, including live music and food and retail vendors.  Stop by the SiestaKey.com booth and say hello. 10 a.m. - 5 p.m. $5 for Children 5 - 17; $10 for 18 years and older. Children under 5 are free. $8 per day for Active and Retired Military Personnel and Seniors (age 65 and up). Identification required for admission. You can purchase daily admission upon arrival to the event.