This post contains information about overnight parking in downtown Indianapolis. For day-only parking see Part One.
If you are staying at the Embassy Suites overnight self-parking in the attached parking garage for $20/day with unlimited in/out privileges. The entrance for this garage is on the north side of Washington street, between Illinois and Capitol.
If you are staying at the Hilton Garden Inn, overnight self-parking is available in the Express Park Garage at 20 N. Pennsylvania, 1/2 block south of the hotel. This is a different garage than what is currently listed on the Hilton Garden Inn website. The hotel will be changing to the Express Park garage as of June 1. Self-parking rates for this garage are $14/day with unlimited in/out privileges. Valet parking is also available for $22/day.
Other parking garage options can be found on the Indianapolis Downtown website. In general, overnight garage parking in downtown Indy runs about $15-$20.