Now offering FREE High-Speed Internet Access in ALL rooms. The La Quinta Inn-Harlingen sits in the heart of the Lower Rio Grande Valley with convenient access to warm Gulf waters and the beautiful beaches of South Padre Island. Mexico and unlimited shopping is less than half an hour drive. Find such attractions as the Marine Military Academy, Iwo Jima Monument, Schlitterbahn Water Park/Gladys Porter Zoo, Valley Race Park, the Texas Air Museum, and historic Mission San Juan.