The Summer Isle Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WOBURN, MA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $37.0M in total assets. In 2024, it awarded 2 grants totaling $650K. Net investment income was $461K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$37.0M
+115.6% YoY
Annual Giving
$650K
+8.3% YoY
Grant Count
2
+0.0% YoY
Avg Grant Size
$325K
+8.3% YoY
Under IRS private-foundation payout rules, The Summer Isle Foundation reported a distributable amount of $1.1M for 2024 — the minimum it must pay out in qualifying distributions.
About The Summer Isle Foundation
Based on IRS filings
The Summer Isle Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WOBURN, MA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $37.0M in total assets. In 2024, it awarded 2 grants totaling $650K. Net investment income was $461K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $37,031,553 | $17,177,478 | $10,705,820 |
| Revenue | $20,624,830 | $11,828,879 | $562,564 |
| Expenses | $771,073 | $729,985 | $588,710 |
| Qualifying Distributions | $650,000 | $600,000 | $525,000 |
| Net Investment Income | $460,871 | $5,006,400 | $300,211 |
| Distributable Amount | $1,098,103 | $652,482 | $586,848 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2024
Grant Size Distribution
10 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Lawrence Academy ($500,000), Boston Children's Hospital ($150,000).
| Recipient | Purpose | Amount |
|---|---|---|
| BOSTON CHILDREN'S HOSPITAL BOSTON, MA | TO PROMOTE ITS CHARITABLE PURPOSE | $150,000 |
| LAWRENCE ACADEMY GROTON, MA | TO PROMOTE ITS CHARITABLE PURPOSE | $500,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| STEVEN W BARNES | TRUSTEE | — | — |
| DEBORAH A BARNES | TRUSTEE | — | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is The Summer Isle Foundation?
The Summer Isle Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in WOBURN, MA. It holds $37.0M in total assets as of 2024.
How large is The Summer Isle Foundation?
As of 2024, The Summer Isle Foundation holds $37.0M in total assets with $20.6M in annual revenue. It awarded 2 grants totaling $650K in 2024.
Where does The Summer Isle Foundation operate?
The Summer Isle Foundation has awarded grants in Massachusetts, New York.
What size grants does The Summer Isle Foundation award?
In 2024, The Summer Isle Foundation awarded 2 grants totaling $650K — an average of about $325K per grant, based on its IRS Form 990 filings.
How much is The Summer Isle Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, The Summer Isle Foundation reported a distributable amount of $1.1M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is The Summer Isle Foundation's EIN?
The Summer Isle Foundation's EIN (Employer Identification Number) is 81-3882939. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in The Summer Isle Foundation's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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