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

Our Customers Love Us!
09/10/2026

Our Customers Love Us!

09/10/2026

Tap in. It's time for chicken tenders and fries! 🍟

Fat Shack is selling Fat Stacks & Fries for only $5.99      πŸ—πŸ—
09/09/2026

Fat Shack is selling Fat Stacks & Fries for only $5.99

πŸ—πŸ—

09/05/2026

No complaints from this Fat Shack patty. πŸ” πŸ‘€

09/03/2026

Wings, but make ’em saucy. πŸ—

Crispy on the outside, tossed in your favorite sauce, and gone way too fast. That’s just how we do wings at Fat Shack.

Pick your sauce πŸ‘‰ BBQ I Golden BBQ I Lemon Pepper I Buffalo I Mango Habanero I Garlic Parmesan. Dig in.

Four corners. Four cravings. One very important question: which best-selling sandwich are you grabbing first? πŸ‘€
09/02/2026

Four corners. Four cravings. One very important question: which best-selling sandwich are you grabbing first? πŸ‘€

08/28/2026

You scored!

08/27/2026

Respectfully, we don’t want a salad. We want FAT SHACK.

08/26/2026

Just a little wipe and… there it is. The craving. 🍟

08/23/2026
08/23/2026

Take a bite. Forget your responsibilities. Repeat!

08/19/2026

because Oreos were already good, but apparently we needed to make them better. 🀌πŸͺ

No regrets.

08/18/2026

Don’t deny them their shake!! 🍦

08/18/2026

Check us out at 2140 n Clybourn ave!

When you walk past Fat Shack the next morning like you weren’t just there at 1 AM… πŸ‘€πŸ”We don’t need to talk about it.    ...
08/15/2026

When you walk past Fat Shack the next morning like you weren’t just there at 1 AM… πŸ‘€πŸ”

We don’t need to talk about it.

08/14/2026

πŸ”₯ THE ULTIMATE FLAVOR COMBO πŸ”₯Why choose between a juicy steak and cheese and crispy mozzarella sticks when you can have BOTH stuffed inside one massive sub roll? πŸ₯–πŸ§€πŸ₯©We are stacking premium shaved steak and melted American cheese directly with golden, gooey mozzarella sticks. It is the perfect blend of savory, seasoned meat and a satisfyingly crispy, cheesy crunch. 🀀This is the upgrade your tastebuds have been waiting for.πŸ‘‰ Tag a friend who needs to smash this combo! πŸ‘‡ CheatDay ComfortFood EpicEats CheesePull SandwichLovers

08/14/2026

Aura points just went up. What did you expect? πŸ˜ŒπŸ”βœ¨

Kinda chic. Kinda greasy. Definitely delicious.  😎
08/13/2026

Kinda chic. Kinda greasy. Definitely delicious. 😎

08/09/2026

Skip the tough decisions. Get both!!! πŸͺ

Let us know your ideal meal in the comments below! πŸ€€πŸ˜†πŸ”πŸ”₯
08/05/2026

Let us know your ideal meal in the comments below! πŸ€€πŸ˜†πŸ”πŸ”₯

07/31/2026

πŸ”Big flavor. Bigger cravings. Stop by fat shack today! 🀀πŸ”₯ ✨

Did you miss us? because we missed you!   😁We are now back online! β€οΈπŸŽ‰
07/26/2026

Did you miss us? because we missed you! 😁

We are now back online! β€οΈπŸŽ‰

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 11am - 1am
Tuesday 11am - 1am
Wednesday 11am - 1am
Thursday 11am - 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!