Start your search for a cheap car rental close to Lago Roca by selecting your vacation dates and pick-up and drop-off locations. That’s how economical a car rental can be around this well-known attraction, but there are a range of factors that will influence the price — your vacation dates are just the start. Whatever your budget or type of car you want, Expedia has incredible offers from a wide range of car rental companies that’ll get you behind the wheel for less.