3:00 Visit a Village on an Island Made of Shells | National Geographic 9:30 Shell Island in Panama City Beach, Florida 12:03 Successful Florida Shelling at low tide! 6:19 the most dangerous fish at the beach 11:44 Sanibel Island Shelling + Virtual Beach Walk. Shell hunting in the seashell capital of the world. 5:41 How to find shells on Sanibel Island! 10:03 Can oyster shells save a sinking island off Georgia's coast?