At the intersection with the southern terminus of CR 3 (South Wellwood Avenue), the name flips to East Montauk Highway as NY 27A continues northeast through Lindenhurst. At Park Avenue, the route passes south of a long strip mall along the north side of the roadway, crossing into the village of Babylon.
At the point where CR 3 (South Wellwood Avenue) intersects, the name changes to East Montauk Highway as NY 27A continues northeast through Lindenhurst. At Park Avenue, the route passes south of a long strip mall situated on the north side of the road, crossing into the village of Babylon.