Sigma lies just south of Lago Mar on Ashville Bridge Creek along Sandbridge Road at its intersection with New Bridge Road .
Sigma is a small community near Sandbridge in the independent city of Virginia Beach , Virginia , United States .
Sigma lies just south of Lago Mar on Ashville Bridge Creek along Sandbridge Road at Sigma 's intersection with New Bridge Road .
Sigma is a small community near Sandbridge in the independent city of Virginia Beach , Virginia , United States .