National Smoothie Day Tropical Smoothie 2024 Calendar. Tropical smoothie cafe is offering free smoothies on wednesday, may 29 from 2 to 7 p.m. Guests who visit any participating tropical smoothie cafe location with their favorite pair of flip flops on wednesday, may 29, 2024 from 2 to 7 p.m.

A tropical oasis in a sea of responsibilities, national flip flop day pulls out all the party stops by offering a free smoothie year after year to inspire guests to find tropic time in. Tropical smoothie cafe invites guests to kick off summer with a free smoothie on national flip flop day.