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Burger 21
Burger restaurant with hand-spun shakes, seasonal specials, and a loyalty program across Tampa Bay locations.
About
Burger 21 serves burgers and hand-spun shakes at multiple Tampa Bay spots, including Carrollwood, New Tampa, and Lakeland. The restaurant runs a loyalty program called Patty Perks that rewards purchases made on the 21st of each month. You'll find rotating seasonal shakes, cheesy fries combos on Wednesdays, and occasional promotions like free fries on National French Fry Day. Order ahead through the B21 app for pickup or delivery, or explore catering options for gatherings.