Happy Jack's - McHenry

Happy Jack's - McHenry McHenry, your favorite, is back
Happy Jacks (est. 1977) is officially OPEN again! Reopened by new owners.

Bringing back the classics: subs, burgers, shakes, and that old-school comfort food.

Roads Are Open, So Are We Come On In For Our SmashBurger Special With A Fry And Drink for $10.
09/30/2026

Roads Are Open, So Are We Come On In For Our SmashBurger Special With A Fry And Drink for $10.

You can also try the new BBQ BEEF SANDWHICH 😊
09/25/2026

You can also try the new BBQ BEEF SANDWHICH 😊

We will be closing at 2pm for the holiday to observe the occasion with our loved ones. Wishing everyone a wonderful day!
09/07/2026

We will be closing at 2pm for the holiday to observe the occasion with our loved ones. Wishing everyone a wonderful day!

Kick Off the Weekend with a Classic Chicago Dog, Side and Refreshing Drink. Or Upgrade To A Vanilla Or Chocolate Shake.
09/04/2026

Kick Off the Weekend with a Classic Chicago Dog, Side and Refreshing Drink.
Or Upgrade To A Vanilla Or Chocolate Shake.

We Remain Open During Construction. On Tuesdays and Thursdays, Enjoy Our $15 Italian Beef Special, and on Wednesdays, Sa...
09/02/2026

We Remain Open During Construction. On Tuesdays and Thursdays, Enjoy Our $15 Italian Beef Special, and on Wednesdays, Savor Our $11 Smashburger Special. All Specials Include Fries and a Drink.

📚New back to school special📚Students come in Friday for 10% off your order!And yes, this includes ice cream🍦One month on...
08/10/2026

📚New back to school special📚

Students come in Friday for 10% off your order!

And yes, this includes ice cream🍦

One month only! We will then have a new fall Friday special starting right after 🍂

Happy Saturday!!It’s August 1st, and that means it’s time for a new flavor of the month! Our 10% off flavor of the month...
08/01/2026

Happy Saturday!!

It’s August 1st, and that means it’s time for a new flavor of the month!

Our 10% off flavor of the month continues with Black Cherry 🥳

Stop in today to give it a try 🍒

Happy Tuesday ☀️This Saturday is August 1st, which means we have a new 10% off Flavor of the month! Black Cherry will be...
07/28/2026

Happy Tuesday ☀️

This Saturday is August 1st, which means we have a new 10% off Flavor of the month!

Black Cherry will be 10% off every Saturday in August 🍒🍒🍒

Not including pints and quarts*

This week we also have, Butter Pecan, Birthday Cake, Watermelon Sherbet and Mackinaw Island Fudge!

The original egg and tuna salad recipes are back!
07/23/2026

The original egg and tuna salad recipes are back!

Rotating flavors this week are..Mackinaw Island Fudge 🍫Black Cherry 🍒 Birthday Cake 🎂 Watermelon Sherbet 🍉
07/21/2026

Rotating flavors this week are..

Mackinaw Island Fudge 🍫
Black Cherry 🍒
Birthday Cake 🎂
Watermelon Sherbet 🍉

Address

4911 W Elm Street
McHenry, IL
60050

Opening Hours

Monday 11am - 8pm
Tuesday 11am - 8pm
Wednesday 11am - 8pm
Thursday 11am - 8pm
Friday 11am - 8pm
Saturday 11am - 8pm

Telephone

(815)3850140

Website

Alerts

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

Shortcuts

Share

Category