JACKSONVILLE, FL (WTXL) – Postal officials have announced that the post office in St. Marks will reopen Friday morning. During Hurricane Hermine, the St. Marks Post Office on Port Leon Drive was flooded and has remained closed. Officials said that the post office will open Friday at 9 a.m. and will resume regular hours. “We are pleased to announce the reopening of the St. Marks Post Office. This will help bring back a sense of normalcy to our St. Marks customers in the aftermath of Hurricane Hermine,” said Gulf Atlantic District Marketing Manager Lucious Sumlar.