Smoothie King Is Offering Free Smoothies on June 21-Here's How to Get One
Smoothie King is offering free smoothies in celebration of National Smoothie Day on Sunday, June 21!
According to USA Today, Healthy Rewards Members can receive a free 12-ounce Hydration Watermelon Smoothie from participating locations on June 21.
Per the chain's website, the Hydration Watermelon Smoothie blends strawberries, coconut water, electrolyte blend, watermelon juice blend, and stevia plant-based sweetener.
Here's how customers can claim their free smoothie before the offer ends.
How to get a free smoothie from Smoothie King
To receive your free Hydration Watermelon Smoothie, all you have to do is become a Healthy Rewards Members and visit a participating Smoothie King location on June 21.
To sign up to become a rewards member, you can download the Smoothie King app from the App Store or Google Play.
RELATED: Jamba Juice Is Offering $1 Smoothies on June 21 for National Smoothie Day
More National Smoothie Day deals
Jamba Juice is offering $1 smoothies in celebration of the holiday!
All customers have to do is visit a Jamba Juice location on June 21 between 10 a.m. and 2 p.m.-no other purchase is necessary.
The first 100 guests at each store will also receive a scratch-off coupon with a surprise offer redeemable the entire summer.
Prizes include a $1 waffle, 50% off an Over Ice beverage, a free small smoothie, and more. 50 customers nationwide will also win a Golden Ticket for free smoothies for a year!
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This story was originally published June 21, 2026 at 1:19 PM.