Biscayne Bay Waterkeeper Inc
In 2025, Biscayne Bay Waterkeeper (d/b/a miami waterkeeper) built on our reputation by navigating challenges, seizing opportunities, and continuing our unwavering commitment to safeguarding our precious waterways and finding local resiliency solutions to global challenges. We updated our mission and vision to better reflect the work we do and those we serve. The mission of miami waterkeeper is now to protect South Florida's waters by advocating for resilient solutions grounded in science, rooted in nature, and driven by community. We have a vision for a resilient South Florida that is a global leader in clean water solutions, where thriving communities and nature coexist. Since 2010, miami waterkeeper has defended the right to use and enjoy clean water. We are recognized in the community as a trusted source of information and a leading voice and advocate for biscayne bay and its surrounding watershed. Our work is effective because we employ a multi- faceted approach that includes scien
Biscayne Bay Waterkeeper Inc at a glance
In short: Biscayne Bay Waterkeeper Inc gave $187K across 4 grants in 2025 (avg $47K), mostly in Florida. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $187,227
- Grants made (2025)
- 4
- Average grant
- $46,807
- Median grant
- $47,150
- Total assets
- $4,768,289
- +21.4% vs 2024
- Primary geography
- Florida (64% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated November 2026.
Who Biscayne Bay Waterkeeper Inc funds
How this funder distributes its grants
Top Recipients
Top 4 recipients in 2025
The largest 2025 recipient was Local Office Landscape and Urban DE ($67K). Together the top 4 received $187K.
Grant Size Distribution
4 grants across all recorded years
The most common grant size was under $50K: 2 grants of 4 (50%).
Giving History
Giving Over Time
Total grant dollars and number of grants per year
In 2025 it made 4 grants totaling $187K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Local Office Landscape and Urban DE Brooklyn, NY | EPA Grant Green Infr | $67,000 |
| M Network Miami, FL | Communication Awaren | $55,702 |
| Everglades Law Center Inc Miami, FL | Pisces Funding Subgr | $38,597 |
| Peer Group Miami, FL | Resilience Work | $25,928 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $4,768,289 | $4,763,499 | $3,722,168 | $187,227 | 4 | $67,957 |
| 2024 | $3,928,452 | $4,265,462 | $3,696,880 | — | — | $53,318 |
| 2023 | $2,606,886 | $3,769,732 | $2,531,550 | — | — | $4,620 |
| 2022 | $1,328,123 | $1,273,185 | $1,460,617 | — | — | $1,248 |
| 2021 | $1,387,272 | $1,361,221 | $1,002,686 | — | — | $269 |
| 2020 | $1,088,493 | $954,605 | $598,385 | — | — | $5,324 |
About Biscayne Bay Waterkeeper Inc
Based on IRS filings
Biscayne Bay Waterkeeper Inc is a public charity focused on Environment & Animals, based in Coral Gables, FL. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $4.8M in total assets. In 2025, it awarded 4 grants totaling $187K. Net investment income was $68K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Biscayne Bay Waterkeeper Inc is led by Rachel Silverstein, Chief Executive since 2024 (on filings since 2020); 5 of 17 officers listed in 2025 are compensated.
Officers on the 2025 filing
Rachel Silverstein
Chief Executive
Executive Director → Executive Di, 2022
Executive Di → Chief Executive, 2024
On filings since 2020
40 hrs/week
$58K (2020) → $210K (2025)
H. Weitz Jordan
Chairman
On filings since 2023
2 hrs/week
No compensation reported
Emilie Fritz Veloso
Director
On filings since 2020
2 hrs/week
No compensation reported
Aaron Stauber
Director
On filings since 2022
2 hrs/week
No compensation reported
Gregory Clark
Director
Treasurer → Director, 2024
On filings since 2022
2 hrs/week
No compensation reported
Gregory Frankel
Director
On filings since 2022
2 hrs/week
No compensation reported
Tracy Slavens
Director
On filings since 2022
2 hrs/week
No compensation reported
Alejandro De Onis
Director
On filings since 2024
2 hrs/week
No compensation reported
Ellen Levinson
Director
On filings since 2024
2 hrs/week
No compensation reported
Paula Tolliver
Director
New on the 2025 filing
2 hrs/week
No compensation reported
Seth Cassel
Director
New on the 2025 filing
2 hrs/week
No compensation reported
Amanda Prieto
Chief Operat
Chief Program → Chief Operat, 2025
On filings since 2024
40 hrs/week
$110K (2024) → $139K (2025)
Christopher Boykin
Chief Development
On filings since 2024
40 hrs/week
$161K (2024) → $182K (2025)
Rebecca Sharpe-Zouine
Chief Techno
On filings since 2024
40 hrs/week
$155K (2024) → $101K (2025)
Jaimee Spector
Vice President of Development
New on the 2025 filing
40 hrs/week
$101K (2025)
Philip Kushlan
Secretary
Director → Secretary, 2022
On filings since 2020
2 hrs/week
No compensation reported
Marvin Wilmoth
Treasurer
Director → Treasurer, 2024
On filings since 2022
2 hrs/week
No compensation reported
Former officers (7)
- Former: Amy Clement (2020–2024) — Director
- Former: Katia Bulgarelli (2022–2024) — Director
- Former: Gretchen Clark (2024) — Chief Financ
- Former: Lauren Horner (2020–2023) — Emeritus
- Former: H. Jordan Weitz (2020–2022) — Chairman
- Former: Nick Semaca (2022) — Director
- Former: Greg Clark (2020–2021) — Director
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $210K, to Rachel Silverstein (Chief Execut). 5 officers or directors reported compensation on that filing.
Frequently asked questions about Biscayne Bay Waterkeeper Inc
How much does Biscayne Bay Waterkeeper Inc give each year?
Biscayne Bay Waterkeeper Inc gave $187K across 4 grants in 2025, according to its 2025 IRS Form 990.
What is Biscayne Bay Waterkeeper Inc's typical grant size?
Biscayne Bay Waterkeeper Inc's median grant in 2025 was $47,150, and its average grant was $46,807, across 4 grants on its 2025 IRS Form 990.
Where does Biscayne Bay Waterkeeper Inc give grants?
Biscayne Bay Waterkeeper Inc gives mostly in Florida: 64% of the grant dollars itemized on its 2025 IRS Form 990 went to recipients there. The next largest state was New York (36%). The most frequent recipient cities were Miami, FL (3 grants).
Does Biscayne Bay Waterkeeper Inc give general operating support?
Not in 2025: none of the 4 grants with a stated purpose on Biscayne Bay Waterkeeper Inc's 2025 IRS Form 990 were described as general or operating support.
How large is Biscayne Bay Waterkeeper Inc?
Biscayne Bay Waterkeeper Inc reported $4.8M in total assets on its 2025 IRS Form 990. Its revenue that year was $4.8M.
What is Biscayne Bay Waterkeeper Inc?
Biscayne Bay Waterkeeper Inc is a public charity focused on Environment & Animals, based in Coral Gables, FL. It holds $4.8M in total assets as of 2025.
What is Biscayne Bay Waterkeeper Inc's EIN?
Biscayne Bay Waterkeeper Inc's EIN (Employer Identification Number) is 27-3627697. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated November 2026. Sourced from IRS Form 990 filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2021 (received by the IRS April 3, 2023)
- Added Form 990 for fiscal year 2025 (received by the IRS September 10, 2026)
Live grants for the work Biscayne Bay Waterkeeper Inc funds
Environment & Animals Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Biscayne Bay Waterkeeper Inc's focus areas in our free grants database
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