In Maryland crab season usually starts in April and runs until December. However, if you are buying crab "off-season" and are wondering where it is coming from, it is more than likely coming from North Carolina and Louisiana. Sometimes it might even come from oversees if there's a crab shortage or they aren't in season but are in high demand. The most "traditional" time to eat crab, aside from all the time, is June through August. When you get towards the end of crab season, you can usually pick some up at your local fish market for a good price!