Mamaroneck Commercial Real Estate | The town of Mamaroneck, with a population of roughly 30,000, contains two villages: Larchmont and the Village of Mamaroneck. Originally incorporated in 1895, the Village of Mamaroneck is primarily a residential community on Long Island Sound.  It has a major inland harbor and facilities to build and service pleasure boating. Mamaroneck Avenue and Boston Post Road are the main commercial areas, while there is a light industrial area is located along Fenimore Road.  The area has high average income of over $200,000 within a 5-minute drive time.