Jun 27, Recently articles quoting two respected coffee professionals stated that roasted coffee beans should not be frozen because the water trapped. Dec 19, How to Store Coffee Beans. Keep them airtight and they'll keep you caffeinated. My coffee storage system. Of the many simple pleasures in this. Mar 5, Have you purchased some tasty new coffee beans, but aren't sure to how to store them? Well, you're in luck, cause we've done a little research.