The Summer Isle Foundation

Private foundation · Grantmaker Woburn, MA EIN: 81-3882939

The Summer Isle Foundation is a private foundation, 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.

The Summer Isle Foundation at a glance

In short: The Summer Isle Foundation gave $650K across 2 grants in 2024 (avg $325K), mostly in Massachusetts. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$650,000
+8.3% vs 2023
Grants made (2024)
2
+0.0% vs 2023
Average grant
$325,000
+8.3% vs 2023
Median grant
$325,000
Total assets
$37,031,553
+115.6% vs 2023
Primary geography
Massachusetts (100% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated September 2026.

Who The Summer Isle Foundation funds

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2024

Lawrence Academy: $500KLawrence Academy$500KBoston Children's Hospital: $150KBoston Children's Hospital$150K

The largest 2024 recipient was Lawrence Academy ($500K). Together the top 2 received $650K.

Grant Size Distribution

10 grants across all recorded years

1<$50K$50–100K5$100–250K$250–500K4$500K–1M$1–5M$5M+

The most common grant size was in the $100–250K range: 5 grants of 10 (50%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Share of 2024 grant dollars across all 2 itemized grants.

Cities

BostonGrotonSyracuse

How The Summer Isle Foundation gives

  • Giving grew 30% from 2021 to 2024. Method
  • In 2024 it paid out 59% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

From the foundation's IRS Form 990-PF filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$200K$400K$600K$800K3 grants2020 1 grant2021 2 grants2022 2 grants2023 2 grants2024

From 2020 to 2024, annual grant giving ranged from $450K (2020) to $650K (2024). In 2024 it made 2 grants totaling $650K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Lawrence Academy Groton, MATo Promote Its Charitable Purpose$500,000
Boston Children's Hospital Boston, MATo Promote Its Charitable Purpose$150,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$37,031,553$20,624,830$771,073$650,0002$650,000$460,871$1,098,103
2023$17,177,478$11,828,879$729,985$600,0002$600,000$5,006,400$652,482
2022$10,705,820$562,564$588,710$525,0002$525,000$300,211$586,848
2021$10,911,658$2,836,638$567,017$500,0001$500,000$1,376,521$561,348
2020$9,914,622$1,382,275$491,242$450,0003—$678,235$497,204

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.

Leadership & Key People

Officers and directors from IRS filings

The Summer Isle Foundation's 2024 filing lists 2 officers; none of the 2 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Deborah A. Barnes

    Trustee

    On filings since 2020

    No compensation reported

  • Steven W. Barnes

    Trustee

    On filings since 2020

    No compensation reported

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about The Summer Isle Foundation

How much does The Summer Isle Foundation give each year?

The Summer Isle Foundation gave $650K across 2 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $600K across 2 grants.

How large is The Summer Isle Foundation?

The Summer Isle Foundation reported $37.0M in total assets on its 2024 IRS Form 990-PF. It paid out $650K in qualifying distributions that year, against a required minimum of $1.1M (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

Where does The Summer Isle Foundation operate?

The Summer Isle Foundation has awarded grants in Massachusetts, New York.

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.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from The Summer Isle Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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