I have helped plan hundreds of quinceaneras in the greater Houston area and i know plenty about buying quinceanera dresses in and out of downtown. Downtown, most dress shops and bridal boutiques offer some of the more modern styles available in places like New York, Madrid, and Mexico City. But these dresses can also be more expensive. You can normally find more bargains outside of downtown in your city’s suburbs. But in the end, your dress selection depends mostly on personal style and your quinceanera theme.