Hours Of Operations Mary Kay Cosmetics New York Smithtown Mary Kay Cosmetics Hours of Operation and Locations in Smithtown, NY 4.8 - 108 votes 1 Locations in Smithtown www.marykay.comsgrover1 Mary Kay Cosmetics Hours Category: Beauty & Health Mary Kay Cosmetics - Smithtown, NY 11787 9 Winston Dr(631) 543-6797 View Store Details Explore SmithtownView More Apparel CatherinesRainbowCoachCapezioJourneys Sports LA FitnessSnap FitnessG SportsAll Sports Recommend For You Hair Plaza Beauty Supply Beauty & More United Beauty Salon C Lucky Beauty Supply Sun Beauty Supply Pj Beauty Supply Beauty Club Respect For Life Unbeweavable Beauty Supply