On May 29th, Tropical Smoothie Cafe invites customers to celebrate National Flip Flop Day by wearing flip-flops and enjoying a free 12 oz. Island Punch smoothie between 2 and 7 p.m. Established in 2007, this annual event marks the start of summer. Participating locations only, with a limit of one free smoothie per guest.

National Flip Flop Day is a fun and charitable annual event hosted by Tropical Smoothie Café, where customers can enjoy free smoothies while supporting a great cause. This special day celebrates the spirit of summer and giving back to the community.