Par boil your potatoes for 15 minutes until barely tender, then drain and set aside. Slice the sausage into 1-inch slices.
Pour the beer, one stick of butter, and lemon juice into the pot. Bring to a light simmer
Layer your steam pot with corn, potatoes, sausage, snow crab, shrimp, mussels, and clams. While layering, add seafood seasoning over each layer.
Cook for about 20 minutes, Look for the mussels and clams to start opening up. Once you see them popping open, stir them around with the shrimp. As soon as the shrimp are cooked pull the steamer basket up and pour them onto trays.