8/6 - Beach Treasures - Meet for an introductory talk about seashells at Gumbo Limbo Nature Center, 1801 N. Ocean Blvd., Boca Raton, then caravan over to Red Reef Park to walk the beach in search of ocean treasures. Open to all ages, children must be accompanied by an adult. Held again 3:30-5 pm 8/28. 10-11:30 am. $5/members, $8/non-members. Reservations: 338-1542.