To conserve and steward Long Island’s natural and historic lands, waters and environmental resources. Through education, outreach and volunteerism, we connect people to nature and inspire a community conservation ethic



Why Do Governments Invest in Land Conservation



Walks in the Woods
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Conservation News

  • Red Cote Preserve

    Acquisition of a Historic Property Adjoining Red Cote Preserve

    In June, the Land Alliance purchased a one-year option agreement from the Pulling family. The agreement allows the Land Alliance time to raise the $1.52M necessary to purchase 4.5 acres of land adjacent to the Red Cote Preserve in Oyster Bay Cove.

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  • Saunders Woods

    Saunders Woods – A Generous Gift to Our Community

    The Land Alliance was thrilled to add Saunders Woods to our ever-growing list of preserves in 2023. This generous land donation was made by the Saunders family, long time Matinecock residents and proponents of land conservation. When the Saunders first approached the Land Alliance about donating the property we knew this would be a big conservation win for the community. Located in the Village of Matinecock, Saunders Woods is comprised of 12 acres of vacant, forested land quietly set back from Piping Rock Road.

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  • New York State Open Space Plan

    New York State Open Space Plan Update

    Working alongside the New York State Department of Environmental Conservation (DEC) and the Office of Parks, Recreation and Historic Preservation (OPRHP), the Land Alliance spearheaded the Nassau County arm of the Region 1 New York State Open Space Committee. We convened a series of meetings where partner organizations and local government officials worked together to develop countywide recommendations for the Plan’s update.

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  • Williams Ridge

    Williams Ridge Preserve Update

    We are off to a good start this spring at Lattingtown’s 4.5-acre Williams Ridge Preserve. We made irrigation upgrades and installed native shrubs, sedges, warm-season native grasses and wildflowers along the pond edge and across the adjoining upland. Also, a meadow was revamped and seeded just after Thanksgiving. We are overhauling the formal garden area […]

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Upcoming Events

    Cultivating a Healthy Tomato Plant Workshop

    Friday, July 19th, 5:30 PM – Learn how to nurture healthy tomato plants, ensuring a bountiful harvest of fresh, organic tomatoes from your garden.

    Bringing Back the Bats Talk

    Tuesday, July 23rd, 6:30 PM – Delve into the fascinating world of bats, discussing their benefits, dispelling misconceptions, and highlighting their crucial role in our local ecosystems.
  • North Shore Land Alliance Nature Preserve

    Nature Walk Through Roosevelt Preserve

    Thursday, July 25th, 6:00 PM – Explore the Roosevelt Preserve, a delightful strip of woodland, in the summer when the aroma of sweet pepperbush fills the air.