Hours and Location

Keystone Mercantile

Phone: 605-666-4000

Email: info@keystonemercantile.com

Address: 155 Winter Street, Keystone SD 57751

Summer Hours:

8:00am - 9:00pm


155 Winter Street, Keystone, SD  57751


You can find us right on the main strip of downtown Keystone.

From Mount Rushmore:

As you exit Mount Rushmore take a left onto SD-244 East. In 1.7 miles continue straight (left at the fork) onto US-16A. Continue for 1 mile into the heart of downtown Keystone, where Keystone Mercantile will be on your left.

From Rapid City:

Head south on US-16 W/Mt Rushmore Rd. At the Keystone Wye, take the US-16A ramp toward Mt. Rushmore then continue onto US-16A East.   At the bottom of the hill you will enter Keystone.  Keystone Mercantile is on the right, in the middle of the block.


Street parking is available along both sides of Winter Street.  There is also parking available in parking lots on the eastern end of the street.