Protect the Water 
You Love

Your support fuels science, legal action, and community solutions that protect Biscayne Bay and South Florida’s future.

Monthly memberships

Join the PartnerSHIP Crew

Want to invest at a higher level?

Join the crew of major donors at the Starfish Level ($2,500) or higher and be recognized at events year-round! You will also receive exclusive behind-the-scenes insights about our work, have access to exclusive PartnerSHIP-only experiences, and see firsthand how you are impacting our waterways and community.

Become a PartnerSHIP Member

Give Monthly & A.N.C.H.O.R. Our Work

A.N.C.H.O.R. our work as a part of this community of monthly donors!

Through ongoing contributions, you can protect South Florida’s waters year-round and tackle long-term environmental challenges for generations to come. You will also receive exclusive insights and experiences that showcase how you are impacting our waterways. 

Set Up My Monthly Gift

Double Your Donation

Did you know many companies will match charitable gifts made by employees — and sometimes even their spouses and retirees?

By completing a simple matching gift form, you can double the impact of your contribution to Miami Waterkeeper. 


Check whether your employer participates

CHECK MY EMPLOYER

Support our work

We’re committed to transparency, accountability, and maximizing the impact of every dollar entrusted to us. Be part of the change and donate today!
Florida Solicitation of Contributions Registration #CH46021 A copy of the official registration and financial information for Biscayne Bay Waterkeeper (aka Miami Waterkeeper), a Florida-based nonprofit organization, may be obtained from the Division of Consumer Services by calling toll-free 1-800-HELP-FLA (435-7352) within the state or visiting www.800HELPFLA.com. Registration does not imply endorsement, approval, or recommendation by the state.

OTHER WAYS TO GIVE

ACH / Wire Transfer

Credit cards and checks aren’t the only way to create impact. If you prefer to send your donation electronically, contact us and we’ll send you transfer instructions.

Stock Giving

Donating appreciated stock allows you to invest in our mission and create meaningful impact while potentially avoiding capital gains tax. Contact our Development team to get started.

Donor Advised Funds

Give through a Donor Advised Fund? Direct your fund to make a gift to Biscayne Bay Waterkeeper d/b/a Miami Waterkeeper (EIN: [INSERT EIN]). Please notify us so we can properly acknowledge your generosity.

Qualified Charitable Distributions

If you are 70½ or older, you can avoid taxes on your Required Minimum Distribution by donating it directly to Miami Waterkeeper — a powerful way to give with significant tax benefits.

Legacy Giving

The EverBlue Society 
Leave a lasting impact on Miami’s waters by including Miami Waterkeeper in your estate plans. Joining The EverBlue Society is one of the most meaningful ways to ensure clean, resilient waterways for generations to come — at no cost to you today.

Helen Quinn

Chief Development Officer

If you’re interested in one of these alternative ways of giving, contact Helen Quinn, Chief Development Officer, at helen@miamiwaterkeeper.org.

Thank you to our generous grant funders!

Miami Waterkeeper is an award-winning nonprofit organization that is top-rated on Candid (formerly known as GuideStar), Charity Navigator, and GreatNonprofits.

The following grant funders have joined these prestigious rating organizations in recognizing Miami Waterkeeper’s work. Through philanthropic investments, these grant funders make possible Miami Waterkeeper’s 10 campaigns, five programs, and countless other projects that protect South Florida’s waters by advocating for resilient solutions that are grounded in science, rooted in nature, and driven by community.

If you’d like to become a Grant Funder we want to hear from you! Contact our grants team at grants@miamiwaterkeeper.org.
Looking for Partnership information?

Looking for Partnership information?

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Trusted Voices

Why community leaders, scientists, and residents trust Miami Waterkeeper.

our impact

Transparent reporting on our science, advocacy, finances, and clean water impact.

2025 Annual Report

2024 Annual Report

2023 Annual Report

2022 Annual Report

2021 Annual Report

2020 Annual Report

2019 Annual Report

2018 Annual Report

2017 Annual Report

financial transparency

We are committed to transparency, accountability, and responsible stewardship of every dollar we receive. View our IRS Form 990s and financial disclosures below.

EIN: 27-3627697
Tax status: 501(c)(3) Public Charity

2024 Form 990

2022 Form 990

2020 Form 990

2018 Form 990

2016 Form 990

2023 Form 990

2021 Form 990

2019 Form 990

2017 Form 990

2016 Form 990 EZ

faqs

Is my donation tax-deductible?

Yes. Miami Waterkeeper is a registered 501(c)(3) nonprofit. All donations are tax-deductible to the extent allowed by law.

Yes. Miami Waterkeeper is a registered 501(c)(3) nonprofit. All donations are tax-deductible to the extent allowed by law.

Miami Waterkeeper is a science-based nonprofit organization protecting South Florida’s waters through research, advocacy, legal action, and community engagement.

What is Miami Waterkeeper’s EIN?

Our EIN is 27-3627697.

How do I manage my recurring monthly gift?

Contact us at austen.hanson@miamiwaterkeeper.org and our team will assist you with any changes to your A.N.C.H.O.R. membership.

Where can I learn more about Miami Waterkeeper’s financials?

View our audited financials and 990 on Candid.

My question isn’t listed here…

We’d love to hear from you! Use the contact form below or email helen.quinn@miamiwaterkeeper.org.

Get updates about our work

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