Hewlett is a hamlet and census-designated place (CDP) in Nassau County, New York on the South Shore of Long Island. As of the United States 2010 Census, the CDP population was 6,819. Hewlett Bay Park and Hewlett Harbor consist of many mansions and harbor villas with very large property, a few dating back to the time of the American Revolution. This area, like Back/Old Lawrence is unique because its rural affluence is similar in character to the more well known Gold Coast of the North Shore instead of being more urbanized like the rest of the South Shore of Nassau County. Hewlett is usually included as one of the Five Towns in the southwestern corner of Nassau County. In the context of the Five Towns, "The Hewletts" or "Hewlett" is often used to refer collectively to the hamlet of Hewlett, together with the villages of Hewlett Bay Park, Hewlett Harbor and Hewlett Neck, along with Woodsburgh. All the communities within Hewlett are part of the Hewlett-Woodmere School District or the Lynbrook Union Free School District.

Hewlett in United States offers a unique experience to travellers. The nearest major city to Hewlett is Atlantic City. Atlantic City, is a worth visiting city owing to its prime attractions like Empire State Building, Central Park, Statue Of Liberty. Also, to reach Hewlett, you'll have to take a flight to Atlantic City; so its not really a detour. And even if it is, the city is worth paying at least a quick visit. Get in the character of the city, this city requires at least of 1 to 2 number of days of exploration.