Construction of the first 18-hole golf course, designed by Seth Raynor, began on July 1, 1925, following a trip to Charleston by Raynor earlier. The golf course was about 6400 yards when it was completed, roughly evenly split before the front and back nine holes. The course was completed in June 1925. After time for plantings to take hold, the first golf was played by former New Jersey senator Joseph S. Frelinghuysen Jr., an early member of the club, who played a few holes with his guest Henry R. Sutphan, the president of the Electric Boat Company, on November 7, 1925.

Via Yeamans Hall Club on Wikipedia