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Phone: 415-289-7335
2000 Bunker Road
Fort Cronkhite

California 94965
2013 Top-rated nonprofits and charities

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Target demographics: injured, orphaned or sick marine mammals.

Direct beneficiaries per year: hundreds of marine mammals in need and our Marine Science Education programs and events reached over 100,000 members of the general public, including thousands of students, teachers, and community groups.

Geographic areas served: 600 miles of CA coastline, and educate and research worldwide

Programs: Each year The Marine Mammal Center rescues hundreds of ill, injured, and orphaned marine mammals along the California coast from San Luis Obispo to Mendocino. These animals are transported to our hospital where volunteers work with veterinary staff to diagnose and treat infectious diseases, starvation, and injuries, including gunshot wounds, gill net entanglement, and shark bites. Advanced rehabilitation and husbandry practices allow many of these animals to return to their ocean home. Veterinary scientists at the Center work collaboratively with many organizations, bringing together veterinary clinicians and pathologists, rehabilitation specialists, wildlife biologists, and other scientists to address the health and survival of marine mammals and investigate human and other stresses on the marine ecosystem. Many patients also show high levels of PCBs and DDT in their blubber, indicating a possible connection between marine mammal disease and environmental toxins.


The Marine Mammal Center is a nonprofit veterinary hospital, research and educational center dedicated to the rescue and rehabilitation of ill and injured marine mammals, primarily elephant seals, harbor seals, and California sea lions. Its research team studies the causes of illness in these animals, and by doing so, learns about conditions affecting the health of marine mammal populations and the oceans – discovering conditions that can affect humans as well. In addition, the Center’s education programs teach thousands of students and the visiting public each year about marine mammals and the urgent need for environmental stewardship of earth’s marine environments.

We've rescued over 18,000 marine mammals since 1975.

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Found my passion after retirement. Wonderful organization, people, and volunteer opportunity. The best... more »
Volunteers! Volunteers! Volunteers! The most amazing people are drawn to The Marine Mammal Center by their love and compassion for these animals. I have worked alongside dedicated volunteers in the driving rain rescuing a large seizing sea lion on the beach in the dark. They work all hours of the ... more »
My daughter and I have been going here for over 10 years. Beautiful setting and the animals and cared for well. The docents are educated and so helpful. We learn something new each time we go. Living along the SF Bay, I have had to call the center a few times over the years regarding stranded ... more »
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