Port St. Joe is a city in Gulf County, Florida. Constitution Convention Museum State Park is a Florida State Park located just outside of Port St. Joe. The Port Theatre is a historic site in Port St. Joe, Florida, located at 314 Reid Avenue. The Centennial Building (also known as the Civic Center) is a historic site in Port St. Joe. The St. Joseph Catholic Mission Church is located at 216 8th Street, on July 31, 1998, it was added to the U.S. National Register of Historic Places. You may want to stay at a Port Saint Joe bed and breakfast (B&B) on your trip, such as the Port Saint Joe Inn. The Sunset Coastal Grill , provides an good meal at a great price. For great pizza try Hungry Howie's Pizza. Less