[header] How to keep blue crabs alive [title] Buy a cooler. [step] Buy a regular sized cooler from your local depot or sporting goods store. If you are planning to store more than five crabs, it is recommended that you buy a larger cooler. 
This way you will not need to stack the crabs on top of each other. [substeps] Alternatively, you can use a wooden bushel basket to store the crabs.