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two California sea lions and one northern fur seal are released back to the wild

The Marine Mammal Center sincerely appreciates and proudly recognizes the generous support received from donors who are helping ensure a healthy ocean for marine mammals and humans alike. 

Together, we are advancing global ocean conservation through marine mammal rescue and rehabilitation, scientific research, and education.

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cover of 2019 impact report with text overlay on sea lion image

Your support is key in the diagnosis, care and recovery of the many patients that come to the Center. Thank you for making it possible.

Jesierose Poblacion

Lab Scientist

Mahalo for your generous support that helps advance our school and youth programs. These programs empower teachers and their students to take action for our ocean and for the endangered Hawaiian monk seal.

Wendy Marks, M. Ed.

School & Youth Programs Manager, Hawaiʻi

Thank you for advancing the Center's impact and supporting its growth. Your passion for our ocean and marine mammals is what fuels this critical work.

Cecily Majerus

Chair of the Board of Directors

From the phones we answer in our dispatch office, to the nets in the hands of our responders and the vehicles we drive to transport our patients, your support helps the Center respond to stranded animals. On behalf of our patients and everyone at the Center, thank you!

John Beltran

Dispatch and Rescue Volunteer

Your support protects the whales, dolphins and porpoises that live in San Francisco Bay. Thanks for supporting our research that helps them stay safe in their new urban habitat.

Tim Markowitz, Ph.D.

Cetacean Field Research Coordinator

In our 45 years of saving marine mammals, our work has never been more relevant and urgent. Our ocean needs the Center, and we need you. Your generous support makes our impact possible, and you inspire us all. Thank you.

Jeff Boehm, DVM, Dipl. ACAW

Chief Executive Officer

Our Financials

Careful stewardship of our financial resources is key to increasing our impact in the face of ongoing marine mammal health threats and a rapidly changing ocean environment.

This summary of financial information has been extracted from The Marine Mammal Center's audited financial statements, on which an independent public accounting firm, Armanino, expressed an unqualified opinion.

Audited Financial Statements for the Fiscal Year ended September 30, 2020.

Form 990 for the Fiscal Year ended September 30, 2019.

Charity Navigator Four Star Charity
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Independent Charities Best in America seal
Guidestar Gold Seal of Transparency 2020

The Marine Mammal Center Is Proud to Be a Top-Rated Charity

The Marine Mammal Center is a 501(c)(3) certified organization and is registered in all applicable states. Our tax identification number is 51-0144434.

A copy of the latest financial report, registration filed by this organization, and a description of our programs and activities may be obtained by contacting us at: 2000 Bunker Road, Sausalito, CA 94962 or (415) 289-7335 or The Marine Mammal Center was formed in CA. If you are a resident of one of the following states, you may obtain financial information directly from the state agency:

Florida: A COPY OF THE OFFICIAL REGISTRATION AND FINANCIAL INFORMATION MAY BE OBTAINED FROM THE DIVISION OF CONSUMER SERVICES BY CALLING TOLL-FREE, WITHIN THE STATE, 1-800-435-7352 (800-HELP-FLA), OR VISITING REGISTRATION DOES NOT IMPLY ENDORSEMENT, APPROVAL, OR RECOMMENDATION BY THE STATE. Florida Registration #CH4638. Georgia: A full and fair description of our programs and our financial statement summary is available upon request at our office and phone number indicated above. Maryland: For the cost of copies and postage, from the Office of the Secretary of State, State House, Annapolis, MD 21401. Mississippi: The official registration and financial information of The Marine Mammal Center may be obtained from the Mississippi Secretary of State’s office by calling 1-888-236-6167. Registration by the Secretary of State does not imply endorsement. Nevada: Contributions may be tax deductible pursuant to the provisions of sec. 170(c) of the Internal Revenue Code of 1986, 26 U.S.C. §170(c). New Jersey: INFORMATION FILED WITH THE ATTORNEY GENERAL CONCERNING THIS CHARITABLE SOLICITATION AND THE PERCENTAGE OF CONTRIBUTIONS RECEIVED BY THE CHARITY DURING THE LAST REPORTING PERIOD THAT WERE DEDICATED TO THE CHARITABLE PURPOSE MAY BE OBTAINED FROM THE ATTORNEY GENERAL OF THE STATE OF NEW JERSEY BY CALLING 973-504-6215 AND IS AVAILABLE ON THE INTERNET AT: REGISTRATION WITH THE ATTORNEY GENERAL DOES NOT IMPLY ENDORSEMENT. New York: Upon request, from the Attorney General’s Charities Bureau, 28 Liberty Street, New York, NY 10005, 1-212-416-8686 or North Carolina: Financial information about this organization and a copy of its license are available from the State Solicitation Licensing Branch at 1-919-814-5400. The license is not an endorsement by the state. Pennsylvania: The official registration and financial information of The Marine Mammal Center may be obtained from the Pennsylvania Department of State by calling toll-free, within Pennsylvania, 1-800-732-0999. Registration does not imply endorsement. Virginia: From the State Division of Consumer Affairs, Department of Agricultural and Consumer Services, PO Box 1163, Richmond, VA 23218. Washington: From the Secretary of State at 1-800-332-4483 or West Virginia: West Virginia residents may obtain a summary of the registration and financial documents from the Secretary of State, State Capitol, Charleston, WV 25305. Registration does not imply endorsement. Wisconsin: A financial statement of the charitable organization disclosing assets, liabilities, fund balances, revenue and expenses for the preceding fiscal year will be provided to any person upon request.


Have Questions?

We're happy to help assist you. You can reach us Monday-Friday 8am-5pm PT at (415) 289-7335 or email us at

Or contact us by mail:
The Marine Mammal Center
2000 Bunker Road, Fort Cronkhite
Sausalito, CA 94965