Clicky

Fat Shack

Fat Shack Fat Shack is a burger restaurant located on N Clybourn Avenue and was created in 2010 by Tom Armenti. The aim of the establishment is to cater to patrons who require late-night food options. Fat Shack is known for its delicious fat sandwiches, burgers, wings, milkshakes, and deep-fried desserts that are ideal for satisfying guilty cravings. The restaurant's menu is a combination of American (New) cuisine and sandwich-style dishes. With its unique concept of serving food from 6PM to 4AM, Fat Shack has become a popular destination for those seeking a late-night meal.

Recent social media posts

06/01/2026

Half-price wings, your way: BBQ, Buffalo, Mango Habanero, Garlic Parmesan, Golden BBQ, and Lemon Pepper. What are you waiting for? 🍗

05/28/2026

Nothing’s topping the Fat Cow… and that’s just facts 🐄🔥 let’s gooo

05/27/2026

The kind of burgers you don’t just eat once… you think about them every day 🍔🔥

05/22/2026

It’s Friday. It’s MDW. You deserve a shake! 😋

05/20/2026

When the munchies hit, we’re not choosing… we’re getting everything 😋

05/17/2026

If your weekend doesn’t look something like this, fix that 🫡

05/15/2026

Fat Stacks? That’s the kind of snack you don’t question. 🤩

05/12/2026

We came for one thing and left with a full lineup of GREAT decisions. 💯

05/09/2026

If you know, you know. if you don’t, you need a Fat Sandwich 💯

Fries this good don’t need hype, but they’re getting it anyway  🤩
05/08/2026

Fries this good don’t need hype, but they’re getting it anyway 🤩

05/07/2026

Sweet. Crunchy. Ridiculously addictive.
Yeah… you’re ordering these 😏

05/01/2026

We’re just adults who really want chicken tendies, mozzarella sticks, and fries...on a sandwich. 😌🍟🍗

04/29/2026

Build it your way 🍔

The Single 👉 100% Angus, 1/4 lb
The Classic 👉 100% Angus, double stack
The Supreme 👉 100% Angus, triple stack

American cheese, lettuce, tomato, onion, pickles, burger sauce, toasted brioche bun.

Are you hungry yet??

A representation of our brain 🤯
04/28/2026

A representation of our brain 🤯

04/27/2026

On Mondays wings are HALF PRICE!

Golden BBQ ✅ Lemon Pepper ✅ BBQ ✅ Buffalo ✅ Mango Habanero ✅ Garlic Parmesan

Pick your flavor and dig in!

04/24/2026

Who needs a shake and some fries rn?

🍪 OREO
🍦 VANILLA
🍫 CHOCOLATE
🍓 STRAWBERRY

We tried.
04/23/2026

We tried.

Quick pic, then it’s game over. 👀
04/22/2026

Quick pic, then it’s game over. 👀

04/20/2026

It’s 4/20 😮‍🔥

Half Fat Doobie for $4.20
In-store only. Limit 2 per customer. While supplies last #

04/17/2026

Half Fat Doobie for $4.20 on 4/20 😮‍🔥

In-store only • Limit 2 per customer • While supplies last

Come early… this won’t last long...

04/16/2026

This is your sign to go all in on a Fat Chance™ 🔥

How we’re spending our tax return. 🤑
04/15/2026

How we’re spending our tax return. 🤑

04/14/2026

🚨Johns Creek, GA🚨

Were officially open and ready to satisfy your cravings!

LUNCH SPECIALS to kick off your day...
Burgers, Wings, and Fat Sandwiches to keep you fueled through the night
Milkshakes and Deep-Fried Desserts to sweeten the deal.

Come see us in-store or order on fatshack.com for delivery!

04/14/2026

A Fat Shack burger and no plans? Yeah, that’s the plan now. 🔥

Whether you’re craving the single, double, or triple, it’s always 100% ANGUS BEEF PATTY!

04/13/2026

Self-control not included. 😋

Address

2140 N Clybourn Avenue
Chicago, IL
60614

Located in the Lincoln Park neighborhood of Chicago, this burger restaurant can be reached by both public transport and car.

Public Transport: Take the Brown Line to the Armitage station or the Red Line to the Clybourn station. From there, it's a short walk to N Clybourn Avenue.

Driving/Parking: If driving, take North Ave towards N Clybourn Ave. There is street parking available on N Clybourn Ave and surrounding streets. Alternatively, there is a paid parking lot located nearby on W Willow St.

Opening Hours

Monday 4pm - 1am
Tuesday 4pm - 1am
Wednesday 4pm - 1am
Thursday 4pm - 1am
Friday 11am - 3am
Saturday 11am - 3am
Sunday 11am - 1am

Telephone

(773) 697-3670

Alerts

Be the first to know and let us send you an email when Fat Shack posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to Fat Shack:

Share

What people say

Burger restaurants are a staple in the American food scene, and for good reason. They offer a delicious and satisfying meal that can be customized to fit any taste preference. When it comes to burger joints, Fat Shack on N Clybourn Avenue in Chicago stands out from the rest.

What sets Fat Shack apart is their commitment to serving up indulgent and satisfying meals that are perfect for late-night cravings. The restaurant was founded by Tom Armenti, who saw a need for more late-night food options in his college town. With only $5,000 to start his business, Tom partnered with a local bagel shop to operate his new restaurant from 6PM to 4AM.

The menu at Fat Shack is filled with mouth-watering options that are sure to satisfy any appetite. From classic burgers and fries to over-the-top creations like the Fat Philly cheesesteak sandwich or the Fat Hangover sandwich (which includes bacon, egg, and cheese on a burger), there's something for everyone.

One standout item on the menu is the Fat Sandwiches - these sandwiches are piled high with all sorts of toppings like chicken fingers, mozzarella sticks, onion rings, and more. It's not just about quantity though - each ingredient is carefully chosen to create a flavor explosion in every bite.

Overall, Fat Shack is a must-visit spot for anyone looking for delicious late-night eats in Chicago. Their commitment to quality ingredients and creative menu items make them stand out from other burger joints in the area. So next time you're craving something indulgent and satisfying, head over to Fat Shack on N Clybourn Avenue - you won't be disappointed!

Claim ownership or report listing