Llano Grande Country Club sits in Mercedes, a small city in the Rio Grande Valley of deep South Texas, near the Mexican border. The course was designed by John Aguillon, a Texas-based architect who worked primarily in the state during the mid-to-late twentieth century. The flat, subtropical landscape of the Valley presents a different design canvas than the Hill Country or other Texas regions, with the routing typically shaped by irrigation canals, native mesquite, and the area's characteristic palm trees and citrus groves that define the agricultural character of the region. The course serves a community with deep agricultural roots and has long been a gathering place for local families and winter residents drawn to the Valley's mild climate. The Rio Grande Valley attracts seasonal visitors from colder climates, and courses like Llano Grande reflect that dual membership culture, quieter in summer heat and more active during the cooler months. The flat terrain allows for straightforward walking and generally open sightlines, though strategic bunkering and water management features provide the primary defenses. Llano Grande operates as a traditional country club with golf as the centerpiece of social and recreational life. The setting offers a distinct South Texas experience, far removed from the state's better-known resort destinations, where the game unfolds amid palm-lined fairways and the agricultural rhythms of the Valley.