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Alternative Fuel Coffee & Smoothies - Main Street Square

512 Main St, Rapid City, SD 57701-5020
+1 605-791-3791
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  • Excellent57%
  • Very good31%
  • Average9%
  • Poor3%
  • Terrible0%
Travellers talk about
“quiche” (10 reviews)
“chai” (4 reviews)
“burrito” (3 reviews)
Closed Now
All hours
Healthy, American, Cafe, Gluten Free Options, Vegetarian Friendly, Vegan Options
512 Main St, Rapid City, SD 57701-5020
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Reviews (83)
Traveller rating
Traveller type
Time of year

1 - 10 of 81 reviews

Reviewed 2 weeks ago

I was looking for a cup of coffee and a light breakfast and I found it. The name drew me in and I enjoyed the handwritten chalkboard menu. The staff was very friendly. The granola was just right with almond milk at my request.

Thank Laurie z
Reviewed 18 June 2017

Always a friendly place to visit. Easy access to shops. They have a nice variety of pastries and food.

Thank Kristy B
Reviewed 11 June 2017 via mobile

I love the atmosphere of this coffee shop...it is a great place to meet up with a friend to talk over a cup of coffee or hot chocolate (I hope they still have it although it wasn't on the menu) or their famous selection of...More

Thank JoyousGirl91
Reviewed 4 June 2017 via mobile

Unbelievably great breakfast option in downtown Rapid City.... and coffee. Everything is first rate... delicious. Breakfast items taste like they were made in someone's kitchen.... real eggs not pre-made like DD.

Thank Dana B
Reviewed 29 May 2017 via mobile

Free parking Quick walking distance from parking area Play ground located outside the cafe, so kids can burn off energy. Great price for smoothies and food. $7 Prairie Power with no honey, added flax seed and chia seed. Great staff , very friendly and courteous

Thank TravelVidaa
Reviewed 23 May 2017 via mobile

Terrific smoothies, excellent breakfast burritos and quiches, and great customer service from the staff.

Thank Nikolas R
Reviewed 31 March 2017 via mobile

All six of us enjoyed a terrific jolt of Joe at this shop near Main St. The bakery selection looked inviting and delicious. We found the brews better and more generous (less ice in ice coffee) vs the mega chain. Great staff to makes this...More

Thank ColoradoChilidog
Reviewed 25 October 2016

Love the smoothies. Love the mocha and Frappuccino type drinks. Quiche - do not let them microwave as it becomes a runny disgusting mess. We had it once on a past visit and it must have been hot out of the oven as it was...More

Thank FranceEnglandGreece
Reviewed 20 October 2016

This is a great centrally located coffee shop at Main Street Square. They offer excellent coffee, and lots of good healthy options for lunch and breakfast. The owner is a super sweet lady who is always very good to us when we stop in. Their...More

Thank Nichole N
Reviewed 14 September 2016

We've been going to Alternative Fuel for many years. The new location doesn't have the small private rooms we used for meetings, but there's still great tasting drinks, smoothies and baked goods. I had to choose only one reason to go, so I chose desserts,...More

Thank Sande57701
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Nearby Attractions
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.12 km away
Downtown Rapid City
1,700 reviews
.11 km away
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Restaurant Details

Rating summary
  • Food
  • Value
Breakfast, Lunch, Brunch
Restaurant features
Takeout, Outdoor Seating, Seating, Street Parking, Free Off-Street Parking, Wheelchair Accessible, Accepts Mastercard, Accepts Visa, Free Wifi, Accepts Discover
Good for
Child-friendly, Kids
Open Hours
09:00 - 17:00
07:00 - 19:00
07:00 - 19:00
07:00 - 19:00
07:00 - 19:00
07:00 - 19:00
08:00 - 19:00
Location and Contact Information
  • Address: 512 Main St, Rapid City, SD 57701-5020
  • Location: United States  >  South Dakota (SD)  >  Rapid City
  • Phone Number: +1 605-791-3791
  • E-mail
check all the details on the web site. thanks.
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