Enjoy a longer stay away from home at our Mainstay Suites By Ft. Sam Houston hotel in San Antonio, TX. Our hotel is near San Antonio River Walk, SeaWorld San Antonio, Cowboys Dance Hall, North Star Mall and Splashtown San Antonio. Rooms include kitchen facilities, flat-screen TVs and hair dryers. Enjoy amenities like free breakfast, free WiFi, free coffee, free weekday newspaper and a fitness center. Also, earn rewards including free nights and gift cards with our Choice Privileges Rewards program.