Parks: Pets are welcome in most areas of the County parks with the exception of Fort De Soto Park Historic Fort, beaches, swimming areas, piers, boardwalks, picnic shelters, restrooms, beach showers, playgrounds or where food and drink are sold. Pets must be on an adequate leash not longer than 6 feet. Other exceptions are the County dog parks. Preserves: No pets, except horses accessing and using trails designated for horseback riding, are permitted in any environmental land.