Brand Certified
Subway
4.2(38 reviews)
Certified by Subway • Feb 22, 2026
Business Details
804 Hwy 16 A, Keystone, SD
57751, United States
Certified by Subway • Feb 22, 2026
(605) 666-4446
Certified by Subway • Feb 22, 2026
http://www.subway.com
Certified by Subway • Feb 22, 2026
About
Certified by Subway • Feb 22, 2026
Sandwich RestaurantFast Food RestaurantRestaurantTake Out RestaurantCatererSubway
Your local Keystone Subway® Restaurant at 804 Hwy 16 A brings bold new flavors and classic favorites to guests every day. Enjoy our famous Footlongs, 6" sandwiches, wraps, and salads, ordered quickly in the app or online, through convenient delivery, in-restaurant dining, or curbside pickup. We’re proud to offer a fresh alternative to typical fast food with fresh-cut veggies, tasty proteins, fresh-baked bread, and delicious cookies. We’re also here for your catering needs. All Subway® Restaurants are independently owned and operated by business owners who employ talented Sandwich Artists™.
Details
- Dine-inAvailable
- Drive-throughNot available
Location
Certified by Subway • Feb 22, 2026
Hours
Certified by Subway • Feb 22, 2026
Reviews
4.2
38 reviews
5 stars
27
4 stars
1
3 stars
4
2 stars
2
1 star
4
- KPKrissy A. PetersonOct 30, 20255.0My husband and I stopped at this location for lunch a few months ago. The food was phenomenal and the staff members were very nice. Keep up the great work.
- DJDaniel JJul 16, 20233.0Like every other subway in terms of food quality. This one was super convenient just outside of Mt Rushmore.
- JEJason EllisJul 17, 20201.0The hours show 11-3. They weren’t open the 2 times we came by.
- ATA TMay 27, 20185.0Very good service ..... and the asian boy it’s so cute and funny 😁
Frequently Asked Questions About Subway
Where is the Subway restaurant located in Keystone?
The Subway restaurant is located at 804 Hwy 16 A, Unit #2, Keystone, SD 57751, near Mt. Rushmore.
What are the operating hours of the Subway in Keystone?
The Subway in Keystone is open daily from 7:00 AM to 11:00 PM.
Is the Keystone Subway restaurant open on holidays?
The Subway restaurant is closed November 6 to November 12, 2025, and will reopen on December 6, 2025.
Does the Subway in Keystone offer catering services?
Yes, the Subway restaurant offers catering services.
Can I order Subway for curbside pickup at this location?
Yes, curbside pickup is available at this Subway location.
What meal times does the Keystone Subway serve?
This Subway location serves breakfast, lunch, and dinner.
Where can I find the menu for Keystone Subway?
The menu can be found online at https://www.subway.com/en-US/MenuNutrition/Menu.
What nearby attractions can I visit before or after eating at Subway Keystone?
You can visit the Mount Rushmore Monument, which is near the Subway location in Keystone.
Are there any coffee shops near the Keystone Subway?
Yes, Holy Terror Coffee & Fudge is a nearby coffee shop and cafe close to the Subway location.
What other restaurants are near the Keystone Subway?
Nearby restaurants include Halleys West, Eno's Pizza, and Dairy Queen.
Brand Certified Facts from Subway
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Certified February 22, 2026Yext Knowledge Graph
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