Happy National Lemonade Day

Your sandwich just scored a free sidekick. Enjoy a free small lemonade with any sandwich purchase.*Go classic, fruity, or tropical: featuring our Shack-Made Lemonade, Tropical Mango Lemonade, Strawberry Lemonade or our Fifty-Fifty Lemonade Iced Tea blend.USE CODE: FREESIP*Offer valid through 8/23 at participating locations when you order online, in the Shack App or at a kiosk in-Shack.Offer only valid for qualifying orders of one (1) Small Lemonade and one (1) Sandwich or Burger placed at a kiosk in-Shack, or for delivery or pick-up via the Shake Shack Mobile App or shakeshack.com, and fulfilled August 20th – August 23rd, 2026 (“Promotional Period”) at participating US Shake Shack locations (excluding airports, stadiums, arenas, travel plazas, and museums). Offer not valid for drive-thru orders or orders made through third-party delivery apps. Limit one (1) free Small Lemonade per order. Max savings equal to $4.99. Must add at least (1) Small Lemonade and one (1) Sandwich or Burger to cart prior to checkout. Any applicable taxes, delivery fees, service fees, or other fees are excluded from the discount and are paid by the guest. Offer excludes all paid add-ons such as boba. While supplies last. Cannot be combined with any other offers or promotions. Must use promotional code ‘FREESIP’ at checkout. Code is case sensitive. Offer code will only work in all caps.