Charities Guatemala Environment Meso-American Reef Fund
Meso-American Reef Fund logo

Meso-American Reef Fund

MAR Fund seeks, secures and facilitates regional funding, fosters partnerships and drives capacity building for the conservation, restoration, and sustainable use of marine and coastal ecosystems in the …

Environment Guatemala Tax ID 300303438 Sign up to see website
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44
Integrity Assessment
Partial transparency
44/100 · methodology

About Meso-American Reef Fund

MAR Fund seeks, secures and facilitates regional funding, fosters partnerships and drives capacity building for the conservation, restoration, and sustainable use of marine and coastal ecosystems in the Mesoamerican Reef region.

Headquarters
Guatemala
Foundation type
Publicly-supported charity (509(a)(2))
NTEE code
C32
IRS subsection
501(c)(03)
Ruling date
Size
medium
Operating in
4 countries

Mission

MAR Fund seeks, secures and facilitates regional funding, fosters partnerships and drives capacity building for the conservation, restoration, and sustainable use of marine and coastal ecosystems in the Mesoamerican Reef region.

Focus areas & reach

· What they work on and where
🌿 Environment · NTEE C32
Operating countries (4)
Belize Guatemala Honduras Mexico

How it stacks up against peers

· vs. 8 similar environment in Guatemala
Integrity Assessment This charity: 44
Peer average: 29

Red flags

· All clear
REPEJU deregistration
OFAC / EU / UN sanctions
Open investigations
Governance scandals
Related-party deals
Excessive exec comp

Common questions

· Auto-generated from filings + methodology

Meso-American Reef Fund is a registered environment nonprofit based in Guatemala, Guatemala. It is registered with the official charity registry of Guatemala. Its EIN is 300303438. It has a GiveRadar Integrity Assessment of 44/100 (Partial transparency), indicating some public data is available but key signals are missing. This is significantly above the average of 29/100 for environment charities in Guatemala. The organization reports $9M in annual revenue.

Meso-American Reef Fund has a GiveRadar Integrity Assessment of 44/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 44 ('Partial transparency') means some public data is on file but key signals are missing - worth a closer look before donating. For comparison, the average integrity assessment for environment charities in Guatemala is 29/100.

Meso-American Reef Fund is located in Guatemala, Guatemala. Its registered address is 22 Avenida 0-59, Zona 15 Vista Hermosa II.

Based on official tax filings, Meso-American Reef Fund has $9M in annual revenue. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Meso-American Reef Fund is classified as a Environment organization, registered in Guatemala. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a medium organization. It has $9M in annual revenue.

Meso-American Reef Fund has a GiveRadar Integrity Assessment of 44/100. We recommend reviewing the full profile before making a donation decision. You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.

MAR Fund seeks, secures and facilitates regional funding, fosters partnerships and drives capacity building for the conservation, restoration, and sustainable use of marine and coastal ecosystems in the Mesoamerican Reef region. Meso-American Reef Fund is classified as a environment organization registered in Guatemala.

Among environment charities registered in Guatemala: Meso-American Reef Fund's GiveRadar Integrity Assessment of 44/100 is significantly above the peer average of 29/100. Its annual revenue of $9M is comparable to the peer average of $9M.

Verified against 2 official sources, last refreshed .

Annual revenue
$1M-$10M
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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of Guatemala under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Still gathering leadership data

We check government filings and charity disclosures quarterly. If you represent this charity, claim this page to add officers directly.

Latest news

From global news sources

No recent news coverage found

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Sources and verification

Refreshed

News and media coverage
GDELT Project + Google News
Supplementary verification
GlobalGiving partner directory

Data freshness

Last updated
Mar 4, 2026
Profile completeness
50%

What we don't know

Honest gaps - our score reflects transparency, not impact

Executive compensation
Top-officer pay not disclosed
Named leadership
Board and officer list not yet indexed
Programs & projects
No named programs listed by the charity
Direct contact
No email or phone published
Tax-deductibility status
Whether donations are tax-deductible has not been verified
Founding date
Year the organisation was founded not on file

Methodology

GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.

Read full methodology

Quick facts about Meso-American Reef Fund

What is Meso-American Reef Fund?
Meso-American Reef Fund is a environment publicly-supported charity (509(a)(2)) based in Guatemala, Guatemala. MAR Fund seeks, secures and facilitates regional funding, fosters partnerships and drives capacity building for the conservation, restoration, and sustainable use of marine and coastal ecosystems in the Mesoamerican Reef region.
Where is Meso-American Reef Fund located?
Headquartered in Guatemala, Guatemala. The charity operates in 4 countries.
What is Meso-American Reef Fund's annual budget?
Annual revenue is approximately $1M-$10M.
Is Meso-American Reef Fund trustworthy?
Meso-American Reef Fund has a GiveRadar Integrity Assessment of 44 out of 100 (Partial transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Meso-American Reef Fund's registration number?
IRS EIN: 300303438.
What is Meso-American Reef Fund's website?
http://www.marfund.org
Are donations to Meso-American Reef Fund tax-deductible?
Donations may be tax-deductible for residents of Guatemala under local rules. US donors should check whether the charity has an equivalency-determination letter or a US-based fiscal sponsor before claiming a deduction.