This locally-owned Frisco - Legacy & 121 coffee shop is known for unique Oak Roasted Coffee and signature sweet cream Moon Milk. Summer Moon Frisco - Legacy & 121 is located in Legacy Common shopping center, off Highway 121 and Legacy Drive, just minutes from Stonebriar Mall At The Bridges Shopping Mall. A kid-friendly favorite for locals and students, Summer Moon Frisco - Legacy & 121 features free wi-fi, online order ahead, drive-thru and pet-friendly outdoor seating.