This locally-owned San Antonio coffee shop is known for unique Oak Roasted Coffee and signature sweet cream Moon Milk. Summer Moon St. Mary's is located in the TriPoint Center, off N St Mary's St and Stadium Dr., just minutes north of downtown San Antonio & The Pearl shopping district and a few minutes south of the San Antonio Zoo & Trinity University. A kid-friendly favorite for locals and students, Summer Moon St. Mary's features free wi-fi and a drive-thru.