Reserve : .. MainStay Suites San Antonio, 6900 North IH 35, San Antonio, Texas, 78218. Each guest room includes fully-equipped kitchen facilities, flat-screen TVs and hair dryers. Some rooms feature whirlpools and sofa sleepers. San Antonio hotel provide all guest Free Breakfast, Free Coffee,Free Wi-Fi and Fitness Center. MainStay Suites San Antonio Texas nearby attractions SeaWorld San Antonio, San Antonio Zoo, Splashtown San Antonio and More.