Finances in Mackay, Idaho, the US. Finances locations in Mackay, Idaho. Find the nearest finances locations, near you. All types of business services ATM Finance Insurance Real estate School Travel All finances in Mackay Closed now Until 06:30 am Sammy's Mini Mart ATM Finance +1 208-588-3340 318 W Custer, Mackay, Idaho 83251 Write a review Phone Hours Website Directions