Hardline Coffee Co.

515 4th St, Sioux City

Recent Reviews

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Daisey Kliment

Very cool coffee shop.

Atmosphere: 5

Food: 5

Service: 5

Scott Engmann

Triple espresso on ice and homemade GF coffee cake were fantastic. Great space, music and very walkable area. A local legend.

Atmosphere: 4

Food: 5

Service: 5

BA Laris

Best coffee option in Sioux City! Delicious coffee, super friendly baristas, and a beautiful building. So worth the stop!

Atmosphere: 5

Food: 5

Service: 5

Taylor Targonski

I live in Minneapolis and come back often to visit family - this place is my new go-to! Obsessed with the seasonal menu offerings.

Atmosphere: 5

Service: 5

Christian Sebastian

One of the best coffee shops in SiouxLand! Coffee tastes amazing. Aldo, they make their syrup in house! Love that.

Atmosphere: 5

Food: 5

Service: 5

Jonathan Marchlik

Beautiful big open space with a super high ceiling and lots of old, well loved furniture. Friendly staff, great coffee! I could easily spend a lot of time here, if it weren't for the fact I was was passing through on a road trip.

Atmosphere: 5

Food: 4

Service: 5

Mindy Markus

Little gem we found while traveling across the country on our road trip. I'm definitely making a stop on our way back home.

Atmosphere: 5

Food: 4

Service: 5

KJ-47

Unique vibe. Quiet. Not too busy. Very slow service. Coffee was average. Muffin was great. Expected better given other reviews.

Atmosphere: 3

Food: 3

Service: 2

Hanna Janssen

My favorite coffee shop in town. Fun, creative drinks made with homemade syrups and yummy pastry’s.

Atmosphere: 5

Food: 5

Service: 5

Charity Wagner

Very rude. Acted as if I were a bother to take my order, also kept chatting with another customer and let my drink sit there and melt, And was NOT busy, I was the only other Customer in there.

Atmosphere: 3

Food: 1

Service: 1

Austin Pierce

Love this place!

Atmosphere: 5

Food: 5

Service: 5

Jason Courtney

I try to stop here as much as possible! They have a great atmosphere and Lexi that works there is always so helpful! Thank you!

Atmosphere: 5

Food: 5

Service: 5

Sam D

The lavender honey latte with oat milk is sooooo good and the Hardline crew is warm and welcoming 😊 Great space, great vibes!

Semehar Arguello

The coffee is amazing, employees are great and the owner is everything!

Brian Young

Best coffee shop ever

Atmosphere: 5

Food: 5

Service: 5

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Hardline Coffee Co.

515 4th St, Sioux City, IA 51101