JW Marriott San Antonio Hill Country Resort & Spa opening March of 2010. Just 20 minutes from downtown San Antonio and the airport, the JW Marriott Resort will be situated in Texas Hill Country in Cibolo Canyons, where crystal clear streams and towering oak and cedar trees meet the majesty of the hills. The elements of authentic roots, hacienda style, beautiful views and healing waters serve as the inspiration in bringing this magnificent resort to life. The Hill Country resort will feature 138,000-square-feet of meeting space, two TPC golf courses and a sophisticated spa.