The Duke At Rancho El Dorado Golf Course is an 18-hole regulation length golf course in Maricopa, Arizona. This championship layout has adequate length for a regulation course. Wide fairways and not too difficult approach shots and greens await golfers looking for low scores here. Online tee times may be available at The Duke At Rancho El Dorado Golf Course or at nearby golf courses, often at a substantial discount from the going green fees rate.