Add the lobster tails and cook for 5 minutes.
Add the clams, crab, and corn, and cook for 5 minutes.
Add the shrimp and sausage and cook for 2-3 minutes.
Drain the seafood mixture from the pot, reserving 1 cup of the broth.
Melt the butter in a small bowl and whisk it into the reserved broth. Pour the broth over the seafood mixture.
Garnish with chopped parsley and lemon wedges. Sprinkle with additional Old Bay seasoning to taste, then serve immediately.