Under Construction. Sample Photos * READY DEC 2023 The Stockton ”D” ‘! Trailmark is a beautiful, secluded community located in the growing area of St. Johns County. With impressive oak tree hammocks and winding nature trails, Trailmark’s architectural design will capture Old Florida style and celebrate its authentic North Florida location and history. Conveniently located to I-95 and amazing school systems and a short drive to historic St. Augustine! Trailmark is a beautiful, secluded community located in the growing area of St. Johns County. With impressive oak tree hammocks and winding nature trails, Trailmark’s architectural design will capture Old Florida style and celebrate its authentic North Florida location and history.