To Reach Po Box 592, Crystal Beach, Fl 34681 From The Nearest Highway (U.S. Highway 19), Take The Following Steps: 1. Head South On U.S. Highway 19 For About 4 Miles. 2. Turn Right Onto Crystal Beach Avenue And Continue For Approximately 0.5 Miles. 3. Turn Left Onto Point Seaside Drive; The Destination Will Be On Your Right.