May282012 Buy One Get One Free Caribou Coffee, Today Only! Buy One Get One Free Caribou Coffee, Today Only! In honor of Memorial Day, Caribou Coffee is having a Buy One Get One Free sale! Today only, 5/28, stop in at Caribou Coffee and grab two drinks for the price of one. Just go here to print your offer. To find a Caribou Coffee location go here. Join the Discussion Share this Post 2 Related Deals Learn to Shop for Free with Coupons Ling Ling Potstickers, Only $1.39 at Whole Foods! Dr. Praeger’s Broccoli Pancakes, Only $1.39 at Whole Foods! Comments are closed.