Watertown, SD:

Featured Services

The Grainery Cafe

Fast and friendly service 6:00am - 10:00pm Monday through Saturday and 6:00am - 2:00pm Sunday!

Convenience Store

Top notch convenience will have you in and out in no time.

Fueling Stations

Stone's Truck Stop proudly serves Marathon gasoline.

The Loft

Enjoy your favorite beverages in a quiet relaxing atmosphere.

The Grainery Cafe

The Grainery Café is a full service restaurant offering breakfast, lunch and dinner 6:00am - 10:00pm Monday through Saturday and 6:00am - 2:00pm Sunday. We pride ourselves on fast, friendly service and homemade menu items. The Grainery’s menu offers everything from burgers, sandwiches and salads to steaks, pasta, and wings. Don’t forget breakfast and a kids menu for the little travelers. Check out our daily specials along with seasonal specials. Relax and watch one of our 6 tv’s and leave the cooking to us!

Convenience Store

Whether you're traveling a long distance or just down the road our convenience store offers a wide range of items to suit your needs. You can find a variety of truck accessories along with oil, wiper fluid, or anything else you may need to keep your truck going down the road. We also help you keep in touch with other truckers with CBs, Bluetooth devices and other electronics. We have everything you're looking for when it comes to food, snacks and beverages. While you're in, pick up a good paperback book or an audio book to enjoy going down the road.

Fueling Stations

Stone's Truck Stop proudly serves Marathon gasoline. We offer Regular Unleaded, Regular with Ethanol, Premium Unleaded, E–85, E–15, and E–30. We carry #2 ULSD and #2 ULSD Premium diesel fuels. #1 ULSD is available in winter months. We accept the following fuel cards: Comdata, T-Check, EFS, TCH, QuickQ, Multi Service, Fleet One, Wright Express, Voyager, Transfunds and Marathon. We offer our drivers Transflo and TripPak services to help you get paid faster and a fax machine for drivers to send and receive documents (605-886-0925). We now offer DEF (diesel exhaust fluid) at every pump.

The Loft

Ready to relax after a long haul? Stop in to the The Loft Casino & Pub. Located on the second floor the Loft has so much to offer. We have a wide range of on and off-sale domestic and import beer, 4 taps, wine, and wine coolers. Take advantage of Happy Hour from 5-7 pm. Try your luck on any of our ten South Dakota Video Lottery machines or shoot a game of pool. Grab a bite to eat with the full Grainery Café menu available for you to enjoy in The Loft. Bartenders are present and food is served after 4pm daily. The casino is open to use from 8 am until close.


Receive a free shower by presenting a receipt for 50 gallons of diesel. Valid same day only.

Gift Shop

Various gift items including South Dakota souvenirs, T-shirts, hats, postcards, etc. Get your Sturgis Motorcycle Rally gear here!

South Dakota Lottery

Powerball, Dakota Cash, Mega Millions, Lucky for Life and Lotto America all sold here. Along with scratch tickets and 10 video lottery machines.


Free Wifi is available for our customers. Simply connect to “Stone’s Wireless”.


A variety of deli items available 24/7. Hot sandwiches, burgers, chicken, pizza, hotdogs/brats, soup, popcorn, etc.