St. Petersburg

St. Petersburg

3201 4th Street North
St Petersburg, FL 33704
P: 727-289-2820

Mon-Thurs: 11AM-9:30PM
Fri & Sat: 11AM-10PM
Sun: 11AM-9PM

Events & Specials

Yelp us out!

Yelp us out!

CLICK HERE here to leave us a review!

Summer Shake Up

Summer Shake Up

3 refreshing flavors, Key Lime Pie, Pineapple Upside Down, and Apple Crumble, make a comeback all summer long #SummerShakeUp- But Get them before they’re gone!

Summer Scratch-Off

Summer Scratch-Off

Stop in for your chance to win! Now through August 25th every time you spend $5 or more you’ll receive a Scratch off ticket with a chance to win either a free shake or fries.

Valid on your next visit to the St.Petersburg  Burger 21 location only.

The Impossible™  Burger Has Arrived!

The Impossible™ Burger Has Arrived!

Check out our  vegan plant based Impossible™ patty, 21 sauce, red onion, lettuce,
vine-ripened tomato, toasted brioche bun. Only at the St. Petersburg Burger 21 Location!

Celebrate Back to School with Savings

Celebrate Back to School with Savings

Receive $1 off your favorite burger August 13-20th when you show offer.

Get Offer Here

Limited Time Only

#21 Cuban Burger

An omage to where Burger 21 began, Tampa, FL. Our house-made mojo seasoned pork patty sits a top our mustard based sauce, on a bed of pickles and a slice of Swiss cheese. The patty is then topped with grilled ham and salami, more Swiss cheese and drizzled with our signature 21 sauce for a reinvented version of a classic sandwich.

Cinnamon Bun Shake

A rich blend of vanilla ice cream, walnuts and cinnamon
maple sprinkle. Topped with a delightful house-made
cinnamon swirl for dunking. Yum!

Download Our App Today!

App Store Google Play