Marriott Rivercenter is a hotel located in San Antonio, Texas, USA. At a tip height of 546 feet (166 meters), the 38-floor hotel is the tallest building and second tallest structure in the city. It is also the tallest hotel in Texas outside of Dallas. Its roof height, however, is 441 feet (134 meters), 3 feet shorter than the Weston Centre. The hotel, which was completed in 1988, is located across the Riverwalk from the Henry B.