Reserve : https://www.mainstaysuitessanantoniotexas.com/ ....................... MainStay Suites San Antonio, 6900 North IH 35, San Antonio, Texas, 78218. MainStay Suites San Antonio Texas nearby attractions SeaWorld San Antonio, San Antonio Zoo, Splashtown San Antonio and More. All Rooms gives guests Free Wireless High-Speed Internet Access. Guests can enjoy swimming in Pool, All rooms feature refrigerators, microwaves, hair dryers, Free Hot Breakfast, coffee makers and cable televisions etc.