Mix vinaigrette ingredients in a covered jar. Shake well and pour over shrimp. Refrigerate overnight.
Wrap a pea around each shrimp and secure with a toothpick. Serve cold or at room temperature over ice.
The vinaigrette can be made a couple of days ahead. The shrimp can be cooked the day before and marinated. Assemble the day of the event and refrigerate until ready to serve.