Hours Of Operations Mary Kay Cosmetics New York Smithtown 11787 Mary Kay Cosmetics Hours of Operation and Location in Smithtown, NY 11787 4.4 - 28 votes 9 Winston Dr, Smithtown, NY 11787 (631) 543-6797 Get Directions Mary Kay Cosmetics Hours Category: Beauty & Health Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore SmithtownView More Apparel CatherinesRainbowCoachJourneysMaurices Sports LA FitnessSnap FitnessAll SportsG Sports Recommend For You Health Street Paradise Nail Salon Cartridge World Usa Computer Express Hair Plaza Beauty Supply Beauty & More United Beauty Salon C Lucky Beauty Supply Sun Beauty Supply