Do you have aluminum or steel rims?
ST tires perform best when inflated to their maximum pressure. Goodyear and Discount Tires states this on one of their sites.
Install steel valve stems.
Balance your new tires
This is the truth.
We lived in St. Augustine and never ran out of things to do or places to eat.
Drive on the beach, visit the fort, Ripley's museum, walk down St. George St. There are numerous things to keep you occupied. Golf, fishing, bike riding downtown or on the beach, etc.
Enjoy your stay.