The Mansion at Lawrence is one of the most majestic venues on Long Island. Plan for your next event to take place within the stained-glass walls of the iconic venue. Glatt kosher catering is provided by M3 Catering. Representatives of both The Mansion at Lawrence and M3 Caterers will work with you to make sure every intricate detail is attended to and will meticulously set the stage for your perfect day. Mais