Arrange the oysters, scallops, clams, and lobsters on a large bed of shaved ice. Decorate with fresh seaweed if available. Serve with assorted sauces, sliced lemon, and crackers.
Combine all of the ingredients in a small nonreactive bowl and refrigerate until well chilled. Serve with seafood as a dipping sauce.
Combine all ingredients in the blender and puree until smooth. Refrigerate for 1 hour before serving.
Combine all ingredients and serve.