Go here. Cash only. Bring a cooler. Don't always believe the sign that says Closed, but sometimes do believe it. Be careful of the rutted out drive if you're in a car. Buy fish and shrimp (we love shrimp) and stuff from the guys that take the boats out to get it.
Selection varies by the day and the weather. Head-on shrimp, unsorted (a wide mix of sizes), head on sorted (16-20, for instance), head off. Whole fish, gutted or filleted if you'd like. Fillets, frozen. Scallops. Crabs.
If you're not sure what to do with these things, check out our recipes before you go!