Manhasset is a hamlet and neighborhood in Nassau County, New York, on the North Shore of Long Island.  Manhasset includes three incorporated villages: Munsey Park, Plandome and Plandome Heights and parts of three others: Flower Hill, Plandome Manor and North Hills. 

Manhasset is served by the Long Island Rail Road which provides direct access to New York City.  The main village of Manhasset is located around Plandome Road where many shops and restaurants can be found.  Cosmopolitan shopping is located close by on Northern Boulevard at the Americana Shopping Center.

In the center of town is a small park and landmark gazebo where the Long Island Rail Road station is located.  Parks and access to Long Island Sound provide diverse outdoor activities.