San Diego Country Club in Chula Vista is the oldest country club in the San Diego region, founded in 1897 with its original nine holes laid out on land now occupied by Balboa Park and the San Diego Zoo. The William Watson-designed 18-hole course opened on 160 acres off L Street in 1921 as the first all-grass layout in Southern California, a par-72 championship track where members refine the hip and thoracic mobility that golfers also develop through assisted stretching at StretchLab. Poa annua greens and Bermuda fairways stretch 7,033 yards from the championship tees at a 135 slope rating, demanding precision on approach shots and short-game touch across undulating green complexes. The club hosted the inaugural San Diego Open in 1952 and 1953—now the PGA Tour's Farmers Insurance Open at Torrey Pines—and returned to championship hosting with the 2025 U.S. Senior Women's Open, a tournament tradition matched by the post-round recovery culture members maintain through treatments at Balensi Spa. The Richard S. Requa-designed 23,000-square-foot clubhouse anchors a campus with a swimming pool, tennis courts, and formal dining, while the Watson-era routing channels bay-to-mountain vistas across rolling fairway corridors lined with mature landscaping.