From the North: Follow I-35 south, exit 6th Street Downtown. Turn right (west) onto 6th Street. After you cross Trinity Street, look for the big 'Ritz' sign on your right. That's us.
From the South: Follow I-35 north, Exit 6th Street Downtown, follow the access road to 6th street and turn left (west, under the freeway). After you cross Trinity Street, look for the big 'Ritz' sign on your right. Our entrance is underneath that sign.
While it's true that parking in downtown Austin isn't the most convenient thing in the world, searching for a space doesn't have to be a huge hassle.
If you're willing to walk three blocks or so, metered parking on the street is usually available if you head due north on Trinity. Metered parking is free on recognized holidays and Sundays. Parking meters are also free after 6pm Monday and Tuesday and after midnight Wednesday thru Saturday.