Avalon Nature Preserve Inc logo

Avalon Nature Preserve Inc

STONY BROOK, NY EIN: 75-3165488 Website

Avalon Nature Preserve Inc is a 501(c)(3) nonprofit organization located in Stony Brook, New York. The organization operates as a private foundation dedicated to preserving and maintaining a natural landscape while making it accessible to the public. The preserve encompasses 216 acres of Long Island's north shore, with 140 acres open to public exploration.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$55.9M

+21.2% YoY

Annual Giving

$326K

+64.6% YoY

Grant Count

53

+3.9% YoY

Avg Grant Size

$6K

+58.4% YoY

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

Avalon Nature Preserve was established to celebrate the life of Paul Simons, a local outdoor enthusiast and native Long Islander who died in 1996. The Paul Simons Foundation created the organization to honor his love of nature and the outdoors.

The organization operates around three core pillars:

Protect: Avalon has permanently protected 216 vital acres featuring meadows, woodlands, and shoreline that serve as essential habitats for local watershed, flora, and fauna protection.

Restore: As stewards of the ecologically diverse landscape, the organization is committed to habitat restoration through innovative management techniques and collaboration with scientific communities to nurture and heal local ecosystems.

Inspire: The organization aims to inspire visitors to foster connections to the natural world through community outreach and youth programs for children of all ages.

Program Areas:

  • Preservation and maintenance of the nature preserve, including protection and restoration of the ecological and historical heritage
  • Agricultural programming through Birdsfoot Farm, which follows regenerative practices and celebrates the interconnectedness between natural ecosystems and conservation agriculture
  • Outdoor education, nature programs, and lecture series

Grantmaking

Avalon Nature Preserve functions as a grantmaking foundation. Based on the most recent IRS Form 990 filing for fiscal year 2024, the organization distributed $326,105 in grants. Typical grant awards range from $40 to $159,500.

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Geographic Focus

Where this funder awards grants

The organization's primary geographic focus is Long Island's north shore in Stony Brook, New York. Grantmaking activities extend to New York, the District of Columbia, and Maryland.

Grant Distribution by State

16states
+8 more states

Cities

Albert LeaAustinBethesdaBostonBrooklynCamdenChicagoClarksburgDallasEast HamptonFairfieldHagerstownHampton BaysHauppaugeHuntington StationJacksonvilleMelvilleMemphisMerrickMiddle Island

Financial History

Multi-year comparison from IRS filings

Fiscal Year 2024 (ending June 2024):

  • Total Revenue: $16,067,123
  • Total Expenses: $6,299,262
  • Net Income: $9,767,861
  • Total Assets: $55,912,209
  • Total Liabilities: $215,000
  • Total Giving: $326,105

Organization Status:

  • Tax-exempt since April 2005
  • EIN: 75-3165488
  • Employees: 20 (as of 2024)
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$4M$9M$13M$18M2021202220232024
Metric202420232022
Total Assets$55,912,209$46,132,493$43,010,885
Revenue$16,067,123$8,829,498$9,560,636
Expenses$6,299,262$5,751,089$6,570,765
Qualifying Distributions$11,636,584$8,141,476$7,745,528
Net Investment Income$257,791$100,515$2,021
Distributable Amount

Giving Over Time

Total grant dollars and number of grants per year

$0$86K$173K$259K$345K47 grants202145 grants202251 grants202353 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

STONY BROOK FOUNDATION$160KPECONIC LAND TRUST$31KTHE SAFINA CENTER$30KWESTERN SUFFOLK BOCES$25KVILLAGE OF HEAD OF THE H…$18KTHE NATURE CONSERVANCY$15KSWEETBRIAR NATURE CENTER$9KFRANK MELVILLE MEMORIAL …$3KLONG ISLAND SEAPORT & EC…$3KQUOGUE WILDLIFE REFUGE$3K

Grant Size Distribution

192 grants across all recorded years

186<$50K2$50–100K4$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

KATHARINE GRIFFITHSPRESIDENT$345KELIZABETH WILLIAMSONSECRETARY/TREASURER$181K

From 2024 filing

NameTitleHoursCompensation
ROBERT GAFFNEYDIRECTOR0.05
VICTORIA GERARDDIRECTOR0.05
GREGG EISENSTEINDIRECTOR0.05
JOHN CASEYDIRECTOR0.05
PAUL RANDALLDIRECTOR0.05
CHARLES MUNCHDIRECTOR0.05
MICHAEL STROZIERDIRECTOR0.05
KATHARINE GRIFFITHSPRESIDENT40$345,152
ELIZABETH WILLIAMSONSECRETARY/TREASURER30$180,551

Recent Activity

Recent developments and announcements

The preserve is open year-round for public enjoyment and can be accessed via Shep Jones Lane off North Country Road (Route 25A), Tuesday through Sunday. The organization maintains designated parking lots along Shep Jones Lane and provides an Avalon Nature Preserve App available through the Apple App Store for visitor access and information.

Subject Areas

Focus areas based on grantmaking activity

Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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