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Marsh Sanctuary Inc
Mount Kisco, NY · EIN 133020694 · Form 990 · FY2025 · Small ($100K-$1M) · marshsanctuary.org
revenue
$153K
expenses
$62K
net assets
$865K
employees
0
program ratio
93%
mission · from form 990

Providing a place for outdoor recreation and engagement with its natural landscape while safeguarding its biodiversity, protecting wildlife, conserving its historic buildings, inspiring the arts and fostering environmental stewardship.

profile · synthesized from sources

Environmental sanctuary in Mount Kisco, NY offering outdoor education and nature-based programs for children and adults. Operates a community garden and hosts conservation-focused events. Partners with local organizations to protect native habitats and historic structures. Serves as a natural preserve within Westchester County, emphasizing environmental stewardship and rewilding principles.

irs program accomplishments · form 990 part iii · fy2025

What they reported doing

  1. #1 primary $3K
    Rewilding School. Marsh Sanctuary in coordination with the Rewilding School provides educational programs with an emphasis on nature and the environment.
  2. #2 $0
    Community Garden. Marsh Sanctuary provides 40 garden plots to local gardeners who maintain their gardens organically.
named programs · 4 · from sources

What they call their work

Community Garden
Provides 40 organic garden plots to local residents; supported by Rusticus Garden Club and used for educational programming.
Migration Walk
Annual birdwatching event led by Bedford Audubon, open to the public and held at Marsh Sanctuary with sightings of over 50 bird species.
Spring Festival
Annual event featuring guided nature walks, foraging, shelter building, fire making, and foam-tipped archery for families and children.
Wild Summer Program
Weekly summer sessions for children grades K-6 focused on outdoor exploration, survival skills, nature art, and ancient crafts; includes themed weeks like Forest Craft and Nature Art.
activities · 7 groups

What they do

  • Onsite & Outreach Environmental Education Programs 2 activities
    • Deliver environmental education programs for children
      Offers weekly outdoor education sessions for children in kindergarten through sixth grade and conducts themed summer programs focused on native habitats, survival skills, ancient crafts, and outdoor living skills such as gathering food and medicinal herbs, fishing, and cooking over open fires.
    • Provide educational programs in partnership with Rewilding School
      Provides educational programs focused on nature and the environment in coordination with the Rewilding School, supporting experiential learning in natural habitats and ecosystems.
  • Nature Preserve Management and Public Access 2 activities
    • Develop and maintain trails and visitor infrastructure
      Develops and maintains a trail system including the Meadow Trail, a 1.5-mile trail connecting sanctuary parcels, and provides visitor amenities such as a parking area, trailhead kiosk, and portable restrooms at the Meadowside location.
    • Manage and maintain a 90-acre nature preserve
      Manages a 90-acre nature preserve in Westchester County containing the largest freshwater marsh in the county, including trails, open space, a community garden, and historic structures such as Meadowside Cottage, the stables, and Meadowside House. The land is preserved in perpetuity for public use and enjoyment.
  • Ecological Habitat Restoration 1 activity
    • Conduct habitat restoration and conservation management
      Implements forest management plans to reduce invasive species and promote native plant regeneration; plants native trees and shrubs to create riparian buffers; and installs and monitors bluebird nesting boxes to support local wildlife populations.
  • Community Festival & Event Production 1 activity
    • Host public events and birding activities
      Hosts annual bird migration walks resulting in the observation of over 50 bird species and has historically hosted cultural performances at the Brookside Amphitheater and in New York City theaters.
  • Horticultural Education and Community Gardening 1 activity
    • Operate a community garden for local gardeners
      Operates a community garden with 40 plots available to local gardeners, maintained organically by participants, as part of the sanctuary’s public offerings at the Meadowside location.
  • Historic Building Restoration and Preservation 1 activity
    • Preserve and restore historic structures and features
      Engages in the preservation, restoration, and maintenance of historic buildings including Meadowside Cottage, Meadowside House, and stables, including completing roof replacements and restoring the Brookside Amphitheater after storm damage.
  • Free Public Access Nature Sites 1 activity
    • Provide year-round public access to the sanctuary
      Provides free public access to the nature sanctuary every day of the year from sunrise to sunset, including for outdoor recreation such as bird watching, walking trails, picnicking, snowshoeing, and restorative experiences in nature.
financials · form 990 · fy2025
revenue
Total revenue$153K
Contributions & grants$72K47%
Program service revenue$24K16%
Investment income$14K9%
Other revenue$42K
expenses
Total expenses$62K
Program expenses93%
Admin / overhead7%
Fundraising0%
Salaries & benefits$0
Grants paid out$0
Largest expense lineFacilities
balance sheet
Total assets$865K
Cash$102K
Investments$679K
Liabilities$0
Net assets$865K
Liquid reserves152.0 mo
4 years on record · 2020–2025 · YoY revenue -58.8%
leadership · form 990 part vii · fy2025

Who runs it

board members · 13
  • Anita Stockbridge — Treasurer
  • Anne Niemann — President
  • Carol Bouyoucos — Director
  • Debbie Stanley — Director
  • Heather Langham — Secretary
  • John Ohannes — Director
  • John Rhodes — Director
  • John Stockbridge — Director
  • Lang Marsh — Director
  • Melissa Beristain — Director
  • Michaela Beitzel — Director
  • Nigel Sizer — Director
  • Sue Greenwald — Director
relationships · 26

Who they work with

  • Bedford 2030 Partner — Collaborates on sustainability and natural resource conservation initiatives.
  • Bedford Audubon Partner — Co-organizes annual bird migration walks at Marsh Sanctuary.
  • Bedford Audubon Partner — Collaborates on habitat enhancement by providing native food sources and nesting sites for birds.
  • Bedford Garden Club Partner — Has supported and funded multiple conservation and planting projects at the Sanctuary.
  • Bedford Riding Lanes Partner — Shares trail access through the Marsh Sanctuary property.
  • Boy Scouts Partner — Completed infrastructure projects including building a trailhead kiosk and restoring the amphitheater.
  • Butler Nature Conservancy Partner — Part of the Bedford Greenbelt of conservancies linked through the Marsh Sanctuary.
  • Eugene and Agnes Meyer Preserve Partner — Part of the Bedford Greenbelt of conservancies linked through the Marsh Sanctuary.
  • JN Land Trust Services Partner — Developed the Marsh Sanctuary Watershed Forest Management Plan in 2015.
  • Leonard Park Partner — Connects the original marsh parcel to Leonard Park via a 1.5-mile trail.
  • Leonard Park Partner — Part of the Bedford Greenbelt of conservancies linked through the Marsh Sanctuary.
  • Merestead Partner — Part of the Bedford Greenbelt of conservancies linked through the Marsh Sanctuary.
  • Mianus River Preserve Partner — Part of the Bedford Greenbelt of conservancies linked through the Marsh Sanctuary.
  • Mount Kisco Conservation Advisory Council Government — Advises on the development, management, and protection of natural resources in the Village of Mount Kisco.
  • Rewilding School Partner — Collaborates with Marsh Sanctuary to provide educational programs focused on nature and the environment.
  • Rewilding School Partner — Partners with Marsh Sanctuary to deliver the Wild Summer outdoor education program for children.
  • Rusticus Garden Club Funder — Provided a grant to support the creation of the Community Garden at Marsh Sanctuary.
  • Rusticus Garden Club Partner — Provided seed funding for the Community Garden and grants for native plant restoration.
  • Square Partner — Processes donations for the Marsh Sanctuary.
  • The Rewilding School Partner — Co-hosts educational festivals and nature-based activities at Marsh Sanctuary.
  • The Rewilding School Partner — Coordinates environmental education programs at Marsh Sanctuary, including homeschool, afterschool, and seasonal camp series.
  • The Rewilding School Partner — Provides environmental awareness and educational programs at the Sanctuary for all ages.
  • Watershed Agricultural Council Partner — Administers the Trees for Tribs program in partnership with Marsh Sanctuary.
  • Watershed Agricultural Council Partner — Sponsors the Trees4Tribs project to support watershed protection.
  • Westmoreland Sanctuary Partner — Part of the Bedford Greenbelt of conservancies linked through the Marsh Sanctuary.
  • Wildlife Preserves Partner — Transferred ownership of Brookside to be managed by Marsh Sanctuary.
strategies · 4

How they approach the work

Named approaches extracted from this org’s sources. Where others share an approach, follow it to see the full set of orgs running it.

  • Community Stewardship Through Hands-On Land Use
    methodology: community_stewardship
    By involving the public in managing organic gardens and restoring native habitats, we deepen ecological responsibility because hands-on participation fosters lasting connections to land and sustainable practices.
  • Ecological Restoration as Core Habitat Management
    methodology: ecological_restoration
    By actively restoring native plant communities and controlling invasive species, we support long-term wildlife sustainability because healthy, resilient ecosystems depend on native biodiversity and functional habitat structures.
  • Integrated Conservation and Public Engagement
    methodology: integrated_conservation_and_public_engagement
    By combining public access and outdoor recreation with biodiversity conservation, we foster environmental stewardship because direct engagement with nature strengthens community commitment to habitat protection.
  • Risk-Based Environmental Education for Youth
    methodology: risk-based_learning
    By engaging children in age-adapted, hands-on outdoor activities involving managed risk, we develop competence and connection to nature because experiential challenges build confidence, safety awareness, and deep learning.