The Chamber of Commerce of the Moriches helps to support and promote local business and is proud to sponsor several community events throughout the year., After WWII a few small business opened up, a service station, farm stand or two, and then I guess the biggest thing to hit the town of Moriches was the Carvel stand about 1952. It's modern stainless steel structure stood in stark contrast with the 19th century farm houses around it., Moriches is a hamlet and census-designated place on the South Shore of Long Island in the Town of Brookhaven in Suffolk County, New York. Moriches is served by the William Floyd School District., At an almost exact halfway point between Brooklyn and Montauk, Center Moriches is home to 8,485 residents and has a population density per square mile that is 351% higher than the New York average. The Moriches area became part of Brookhaven Township on March 7, 1788., Moriches Neighborhood Guide. Learn about living in the Moriches neighborhood of Long Island, NY. Get demographics, home values, best schools, crime data & attractions., The Moriches area in the 17th and 18th centuries was an expanse of land along the south shore stretching from the Carman’s River to the Speonk River. This vast area running along the bays and north into Manor was called Moriches..