1399 Riverfront Dr Looking for your piece of paradise directly on the Colorado River? Look no further than 1399 Riverfront Dr., where you can have the river and build on it too. This vacant lot is situated in the midst of an established neighborhood, is flat, level to the street and ready for a custom home. This lot features a staircase down to the water, cinder block sea-wall, and room for your own personal dock. Just feet from Colorado Rio Vista boat ramp, this special lot is one of very few waterfront opportunities left.