Michael I and Mary L Miller Foundation

Private foundation · Grantmaker Sanibel, FL EIN: 36-6848375

The Michael I and Mary L Miller Foundation is a private foundation based in Sanibel, Florida. Its 2020 IRS filing is marked as the organization’s final return, so the foundation appears to have wound down or stopped grantmaking.

Michael I and Mary L Miller Foundation at a glance

In short: Michael I and Mary L Miller Foundation gave $3K across 10 grants in 2020 (avg $273.9), mostly in Florida. Source: 2020 IRS Form 990-PF.

Annual giving (2020)
$2,739
Grants made (2020)
10
Average grant
$274
Median grant
$100
Primary geography
Florida (73% of itemized 2020 grant dollars)
Latest 990 filing
Form 990-PF, 2020 View filing

Data from IRS Form 990-PF, 2020; updated September 2026.

How to apply to Michael I and Mary L Miller Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation stated that it made contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. This policy was stated on its final 2020 filing and should not be taken as a current application process.

Contact

Mailing address: PO Box 1259, Sanibel, FL 33957-1259

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Michael I and Mary L Miller Foundation funds

How this funder distributes its grants

Top Recipients

Top 8 recipients in 2020

First Church Christ Scientist: $2K across 3 grantsFirst Church Christ Scientist$2K · 3 grantsRodriguez Christian Science Assoc: $300Rodriguez Christian ScienceAssoc$300Bailey-Matthews Shell Museum: $200Bailey-Matthews Shell Museum$200San Cap Rotary Club: $100San Cap Rotary Club$100Big Arts of Sanibel: $100Big Arts of Sanibel$100Camp Boggy Creek: $50Camp Boggy Creek$50National Audubon Society: $50National Audubon Society$50Longyear Museum: $40Longyear Museum$40

The largest 2020 recipient was First Church Christ Scientist ($2K across 3 grants). Together the top 8 received $3K.

Grant Size Distribution

10 grants across all recorded years

10<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 10 grants of 10 (100%).

Geographic Focus

Where this funder awards grants

In 2020, 73% of grant dollars went to recipients in Florida, 23% to recipients in Massachusetts, and 4% to recipients in Ohio.

Grant Distribution by State

3states

Share of 2020 grant dollars across all 10 itemized grants.

Cities

SanibelBostonChestnut HillEustisMiamiNaplesToledo

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$1K$2K$3K10 grants2020

In 2020 it made 10 grants totaling $3K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
First Church Christ Scientist Sanibel, FLFund operating needs$1,199
First Church Christ Scientist Boston, MAOperating$600
Rodriguez Christian Science Assoc Miami, FLOperating$300
Bailey-Matthews Shell Museum Sanibel, FLOperating$200
First Church Christ Scientist Toledo, OHOperating$100
San Cap Rotary Club Sanibel, FLOperating$100
Big Arts of Sanibel Sanibel, FLOperating$100
Camp Boggy Creek Eustis, FLOperating$50
National Audubon Society Naples, FLoperating$50
Longyear Museum Chestnut Hill, MAOperating$40
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearRevenueExpensesGrants paidGrantsDistributable Amount
2020$2,000$2,754$2,73910$81

Under IRS private-foundation payout rules, Michael I and Mary L Miller Foundation reported a distributable amount of $81 for 2020 — the minimum it must pay out in qualifying distributions.

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

Grantmaking

In 2020, the foundation gave 10 grants totaling $2,739. Grants ranged from $40 to $1,199, with a median of $100. Recipients included First Church Christ Scientist in Sanibel ($1,199), First Church Christ Scientist in Boston ($600), Rodriguez Christian Science Assoc in Miami ($300), and Bailey-Matthews Shell Museum in Sanibel ($200). Other recipients included churches, cultural organizations, a rotary club, a camp, and the National Audubon Society.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2020 filing listed Mary L Miller as Trustee and Michael Miller as Co-Trustee.

Michael I and Mary L Miller Foundation's 2020 filing lists 2 officers; none of the 2 officers listed in 2020 report compensation.

Officers on the 2020 filing

  • Mary L Miller

    Trustee

    New on the 2020 filing

    1 hr/week

    No compensation reported

  • Michael Miller

    Co-Trustee

    New on the 2020 filing

    1 hr/week

    No compensation reported

Data from IRS Form 990 filings, 2020. "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 Michael I and Mary L Miller Foundation

How much does Michael I and Mary L Miller Foundation give each year?

Michael I and Mary L Miller Foundation gave $3K across 10 grants in 2020, according to its 2020 IRS Form 990-PF.

What is Michael I and Mary L Miller Foundation's typical grant size?

Michael I and Mary L Miller Foundation's median grant in 2020 was $100, and its average grant was $274, across 10 grants on its 2020 IRS Form 990-PF.

Where does Michael I and Mary L Miller Foundation give grants?

Michael I and Mary L Miller Foundation gives mostly in Florida: 73% of the grant dollars itemized on its 2020 IRS Form 990-PF went to recipients there. The next largest state was Massachusetts (23%). The most frequent recipient cities were Sanibel, FL (4 grants).

Does Michael I and Mary L Miller Foundation give general operating support?

Yes: 100% of Michael I and Mary L Miller Foundation's 2020 grants with a stated purpose (10 of 10) were for general or operating support, per its 2020 IRS Form 990-PF.

Who are Michael I and Mary L Miller Foundation's largest grantees?

Michael I and Mary L Miller Foundation's largest 2020 grantees include First Church Christ Scientist ($1,899 across 3 grants), Rodriguez Christian Science Assoc ($300) and Bailey-Matthews Shell Museum ($200), according to its 2020 IRS Form 990-PF. Together they received 88% of its itemized 2020 grant dollars.

How do I apply for a grant from Michael I and Mary L Miller Foundation?

The foundation stated that it made contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

How much is Michael I and Mary L Miller Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2020, Michael I and Mary L Miller Foundation reported a distributable amount of $81 on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Michael I and Mary L Miller Foundation's EIN?

Michael I and Mary L Miller Foundation's EIN (Employer Identification Number) is 36-6848375. IRS Form 990 filing data is available on this page for 2020.

Does Michael I and Mary L Miller Foundation accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

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

Data update history

(2)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS February 25, 2021)
  2. IRS filings on file for fiscal year 2020

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

Figures come from Michael I and Mary L Miller 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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