Updated as of 8/28/14:
Schlitterbahn Beach Resort - Call 956-761-1160 by August 29, 2014. Rates are $86+tax/night
The Inn at South Padre - Call 956-761-5658 by September 7, 2014. Rates are $86+tax/night
Travel Lodge - Call 866-601-6200 by September 2, 2014. Rates are $69.99+tax/night
The following hotels do NOT have a TDCAA contracted block, but they are nice properties that you are welcome to use at your own discretion:
Holiday Inn Express: Book online or call:1 888 HOLIDAY (1 888 465 4329) or Direct: 956-761-8844
The Palms Resort: (956) 761-1316
Sold Out (for now):
La Quinta Inn & Suites (across from Convention Centre): Call 956-772-7000 by August 15, 2014. Rates are $86+tax/night
The Pearl South Padre – Currently sold out. Check for any cancellations by calling 956-761-6551 by August 15, 2014. Rates are $86-149+tax, depending on room size.
Hilton Garden Inn (across from Convention Centre) – Block is sold out Wednesday-Thursday at the group rate (there are Monday and Tuesday nights available). Call 956-761-8700 by August 15, 2014. Rates are $86+tax/night.