Caladesi Island State Park boasts one of Pinellas County's pristine beaches. Visitors can swim, snorkel, go shelling and even picnic on the island. The only way to go there is by the Caladesi Island Adventure Ferry, which departs from Honeymoon Island State Park. It takes 30 minutes on the ferry to get there, and visitors can stay on the island four hours at a time. It has beach chairs and umbrellas, restrooms, concession stands, shaded pavilion, boardwalks and three-mile hiking trail.