It extends in a northerly direction about a mile from the main entrance to the harbor east of Glen Island.

[2] The Lower Harbor area is the site of a considerable amount of boating activity since it contains the mooring areas of the New York Athletic Club on Travers Island, and the Huguenot Yacht Club, and boatyards on the southerly half of Neptune Island.

Access to the Lower Harbor from this entrance also involves passing under a bascule bridge connecting Glen Island to the mainland.

[4] The shoreline of New Rochelle Harbor contains a mix of recreational and marine commercial uses, and medium and high-density residential development.

Additional marinas are arranged along the shoreline, with commercial and residential uses situated along Pelham Road in the upper harbor area.