St. Anthony Sand Dune Rentals. UTV ATV Rentals At The St. Anthony Sand Dunes. We Are On Site Of The St. Anthony Sand Dunes Located In The Sand Hills Resort Campground. We Have ATV And UTV Rentals For All Types Of Riders. Conveniently located onsite of the St. Anthony Sand Dunes for an easy and great experience of renting ATVs And UTVs at the St. Anthony Sand Dunes In Idaho.