Smoothie King
1314 State Hwy K, O'Fallon
(636) 294-7849
Recent Reviews
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Very helpful. Nice & generious!!!
Atmosphere: 5
Food: 5
Service: 5
The women working here were so nice and amazing definitely worth going in drinks were awesome
Atmosphere: 5
Food: 5
Service: 5
Best experience.
Atmosphere: 4
Food: 5
Service: 5
I had a great time at Smoothie King! I tried the Dark Chocolate Banana smoothie. It was rich, refreshing, and absolutely delicious. The customer service was excellent; the staff were friendly and welcoming. I also really enjoyed the atmosphere clean, calm, and perfect for a quick break or catching up with a friend. Definitely planning to come back again soon!
Atmosphere: 5
Food: 5
Service: 5
This was my first visit here. My daughter bought me a strawberry hulk and it was so good. My drink was good. But I was offended that the cashier threw my money in my hand. I did not look like a bum or a homeless person. If she doesn't want to touch people's hands she should put on gloves. She was not rude but this incident hurt my feelings .
Atmosphere: 5
Food: 5
Service: 4
Great customer service!
Atmosphere: 5
Food: 5
Service: 5
Great smoothie. No idea what to order. Jasmine was super helpful and had great recommendations. 5 Stars for Jasmine
Atmosphere: 5
Food: 5
Service: 5
Smoothie King is that girl. Always fast, always clean, and most importantly — it never gives off that weird “why is this man making eye contact with my soul” vibe. You know the one.
Every time I walk in, it smells like fresh fruit and emotional stability. No chaos. No creepers. Just vibes, protein, and peace.
They blend those smoothies like they’ve got a degree in happiness. No long waits. No funky attitudes. Just boom — smoothie, smile, and out the door.
10/10 recommend for anyone who likes good lighting, good energy, and not being side-eyed while ordering a banana blend.
💜🕷️
Atmosphere: 5
Food: 5
Service: 5
They wrote cute little messages on the cup. Mine said ‘we appreciate you’ and my friends said ‘be a team player’ We went to the one on Highway K
I have never left a review nor complained because I work in the food industry and don’t want to be that person. However I have become increasingly frustrated with this location every-time I order here:( These bowls cost $13 and not only do they not fill them even half way with açaí base, but they no longer blend them so it’s just clumps of frozen base. I hate this because I used to get smoothie bowls here 1-2 times a week but I don’t want to keep spending $13 for not even half of the bowl:(
Restaurantji Recommends
Ginger haired girl that worked around 6pm on Tuesday, April 29th, she was RUDE!! Flat out unfit for a customer service position. The young boy that made our smoothie did great, fast, and tasted good. The girl took our order. We had questions & she did not help she just said I don’t know and rolled her eyes. She gave attitude and annoyance after a few other people walked in. As if they were “so busy” (they weren’t…) please talk to her about this or get her out of this store!! Hire better people.
The smoothie boul and smoothie were amazing. i would love to come back
Incredibly loud inside (not sensory friendly), I couldn’t even hear the staff asking if I was ready at first. The menu boards don’t seem to have their whole menu, with smoothies not listed shown on posters elsewhere which was a bit confusing.
Staff were nice and working hard, the store was clean and the smoothie was average and expensive, about 8$ for a small smoothie with one substitution. The small smoothie is huge, around 16-20oz I’d say.
Little to no sitting area, and it feels pretty sterile and awkward standing and waiting for your order.
I love supporting local, we can help create the world we want to see by voting with your dollar! I’d suggest you skip smoothie king and go to a local coffee shop or similar nearby and directly support your community instead.
This place is great! I highly recommend this place for smoothies. The staff is very friendly and helpful.
Customer service excellent. Smoothie delicious!
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