Hotel Information

ISTSS has secured a discounted rate of $279 USD for single or double occupancy. The current government per diem rate of $137 (government ID required) is also available and can be booked.

Room availability and rates are subject to availability and will incur applicable state and local taxes/fees. Please note that the deadline to secure the discounted ISTSS rate is August 30, 2026. Reservations made after this date cannot be guaranteed at the reduced rate.

A credit card guarantee is required to hold your reservation. The hotel will refund your deposit if cancellation is received at least 3 business days prior to your arrival (in local time) and a cancellation number is obtained.

Hotel check-in is at 4:00 p.m. local time, and check-out is at 11:00 a.m. local time.

For more general information about the San Antonio Marriott Rivercenter, please visit San Antonio Marriott Rivercenter on the River Walk.

San Antonio Marriott Rivercenter On The River Walk

Additional Hotel Options

ISTSS has not negotiated overflow housing at additional properties. Listed below are some nearby properties:

Grand Hyatt San Antonio Riverwalk

San Antonio Marriott Riverwalk

Tru by Hilton Downtown San Antonio Riverwalk

Airport Transportation Information

San Antonio International Airport is about 12 miles from the San Antonio Marriott Rivercenter. The hotel does not provide shuttle service.
 

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