According to our records, this business is located at 5800 Overseas Hwy in Marathon (in Monroe County), Florida 33050, the location GPS coordinates are: 24.7183742 (latitude), -81.0724562 (longitude). 1 St Florida State Mortgage is categorized under Mortgage Bankers and Correspondents, Nec (SIC code 6162). Current estimates show that the unit has a sales volume of $995,000 and staff of approximately 5 people. You can contact the company by phone at (305) 743-2930.