To protect and preserve, in perpetuity, the green spaces, farmlands, wetlands, groundwater and historical sites of Long Island’s north shore for the enhancement of quality of life and enjoyment and benefit of future generations.

Our Designated Area

catchmentarea sml

The Land Alliance’s  designated area reaches from the southern boundary of the Northern State Parkway to the shore of Long Island Sound and from the western boundary of Nassau County to the western boundary of Brookhaven Township.