Start your search for a cheap car rental close to Blanchetown Harbor by selecting your travel dates and pick-up and drop-off points. That’s how inexpensive a car rental can be around this leading attraction, but there are a few things that’ll determine how much you pay — your vehicle category is just the start. Whatever your budget and preferred car type, Expedia has awesome offers from a range of car rental companies that’ll get you on the road for less.