link to pay entry online:
up to 8 people in car: https://floridastateparks.reserveamerica.com/posProductDetails.do?id=25650&contractCode=FL
single rider in car: https://floridastateparks.reserveamerica.com/posProductDetails.do?id=25651&contractCode=FL
Address and contact info:
St. Andrews State Park Pier
4607 State Park Lane
Panama City Beach FL 32408
850-708-6100
Map Link:
https://goo.gl/maps/4vVYvTDX6mCUfXcc7