Atlanta Magazine Shell Game on Sanibel Island Score the perfect souvenir on Sanibel Island Caroline C. Kilgore The Gulf Coast beaches are considered the best in North America for shelling, and nowhere is this more evident than along South Florida’s Lee Island Coast, a fifty-mile stretch of white, sandy coastline studded with more than 100 barrier islands. Sanibel Island—christened Costa de Caracoles or “Coast of Seashells” by Spanish explorer Juan Ponce de Leon—is the crown jewel. Taking advantage of an atypical east-west orientation, this twelve-mile-long, three-mile-wide island, r...