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The Marine Mammal Center advances ocean health through marine mammal rescue and rehabilitation, research, and education.
Our Sausalito Hospital & Visitor Center is Open to the Public
Visit the world’s largest marine mammal hospital to see animal care experts providing life-saving care to patients so they can be released back to the wild. Tickets are free but must be booked online in advance. Reserve your spot today!
Ways to Give
Your support makes life-saving work possible. Our patients rely on the generosity of people like you. There are many different ways to make a gift today and help return marine mammals to a healthier ocean home.
![Charity Navigator Four Star Charity](https://www.marinemammalcenter.org/storage/app/uploads/public/fe8/be8/b21/thumb__225_0_0_0_crop.png)
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What's New
Stay up to date on the latest news from The Marine Mammal Center by signing up for email updates.
The Marine Mammal Center In The News
{"image":"\/Animals\/Wild\/Humpback whale\/cropped-images\/whale-tail-with-bridge-and-ships-shutterstock-0-0-1270-992-1724360106.jpg","alt":"humpback swimming under golden gate bridge with ships","title":"San Francisco Chronicle: San Francisco Bay is Awash With Endangered Whales. Is it Good or Bad?","link_url":"https:\/\/fanyv88.com:443\/https\/www.marinemammalcenter.org\/news\/san-francisco-chronicle-san-francisco-bay-is-awash-with-endangered-whales-is-it-good-or-bad","label":"In the News","date":"2024-08-20 02:00:00","type":"news"}
![humpback swimming under golden gate bridge with ships](https://www.marinemammalcenter.org/storage/app/uploads/public/fbd/0d7/7a2/thumb__237_185_0_0_crop.jpg)
San Francisco Chronicle: San Francisco Bay is Awash With Endangered Whales. Is it Good or Bad?
August 20, 2024
Read More{"image":"\/Animals\/Patients\/California sea lions\/cropped-images\/LA Times Front Page 8.13.24-340-15-1270-992-1723588213.png","alt":"LA Times Front Page Domoic Acid Sea Lions","title":"LA Times: Neurotoxin is Poisoning Large Numbers of Sea Lions","link_url":"https:\/\/fanyv88.com:443\/https\/www.marinemammalcenter.org\/news\/la-times-neurotoxin-is-poisoning-large-numbers-of-sea-lions","label":"In the News","date":"2024-08-13 02:00:00","type":"news"}
![LA Times Front Page Domoic Acid Sea Lions](https://www.marinemammalcenter.org/storage/app/uploads/public/1ce/b42/4fc/thumb__237_185_0_0_crop.jpg)
{"image":"\/Animals\/Patients\/California sea lions\/2024\/cropped-images\/musty - csl - bill hunnewell-180-0-1270-992-1723649438.jpg","alt":"California sea lion being treated for domoic acid poisoning","title":"NBC Nightly News: Researchers Investigate Dozens of Sick Sea Lions Along California Coast","link_url":"https:\/\/fanyv88.com:443\/https\/www.marinemammalcenter.org\/news\/nbc-nightly-news-researchers-investigate-dozens-of-sick-sea-lions-along-california-coast","label":"In the News","date":"2024-08-13 02:00:00","type":"news"}
![California sea lion being treated for domoic acid poisoning](https://www.marinemammalcenter.org/storage/app/uploads/public/bcd/176/3c4/thumb__237_185_0_0_crop.jpg)
NBC Nightly News: Researchers Investigate Dozens of Sick Sea Lions Along California Coast
August 13, 2024
Read More{"image":"\/Animals\/Wild\/Gray whale\/cropped-images\/gray-whale-golden-gate-bridge-by-darrin-allen-c-the-marine-mammal-center-noaa-permit-26532-628-43-1272-992-1721771368.jpg","alt":"gray whales seen in the San Francisco Bay ","title":"LA Times: Why are Gray Whales and Other Marine Life Visiting San Francisco Bay?","link_url":"https:\/\/fanyv88.com:443\/https\/www.marinemammalcenter.org\/news\/la-times-why-are-gray-whales-and-other-marine-life-visiting-san-francisco-bay","label":"In the News","date":"2024-07-14 02:00:00","type":"news"}
![gray whales seen in the San Francisco Bay](https://www.marinemammalcenter.org/storage/app/uploads/public/80e/fc1/ce2/thumb__237_185_0_0_crop.jpg)
LA Times: Why are Gray Whales and Other Marine Life Visiting San Francisco Bay?
July 14, 2024
Read More{"image":"\/Animals\/Wild\/Gray whale\/cropped-images\/NOAAa._gray_whale_april_24_2023_photo_by_pilar_rodriguez____the_marine_mammal_center_noaa_permit_26532_720-0-0-0-0-1721847042.png","alt":"gray whale in the San Francisco Bay with Alcatraz and Golden Gate in background","title":"CBS News: Scientists Work to Identify San Francisco Bay's Enigmatic Gray Whales","link_url":"https:\/\/fanyv88.com:443\/https\/www.marinemammalcenter.org\/news\/cbs-news-scientists-work-to-identify-san-francisco-bays-enigmatic-gray-whales","label":"In the News","date":"2024-07-01 02:00:00","type":"news"}
![gray whale in the San Francisco Bay with Alcatraz and Golden Gate in background](https://www.marinemammalcenter.org/storage/app/uploads/public/467/99c/caa/thumb__237_185_0_0_crop.jpg)
CBS News: Scientists Work to Identify San Francisco Bay's Enigmatic Gray Whales
July 1, 2024
Read More{"image":"\/Animals\/Wild\/California sea lion\/cropped-images\/pier-39-visitorsphoto-by-dan-friedman-c-the-marine-mammal-center-11-77-58-1270-992-1720546098.jpg","alt":"sea lions at PIER 39","title":"The New York Times: 2,000 Sea Lions Roamed, Just to Make This Dock Their Home","link_url":"https:\/\/fanyv88.com:443\/https\/www.marinemammalcenter.org\/news\/the-new-york-times-2000-sea-lions-roamed-just-to-make-this-dock-their-home","label":"In the News","date":"2024-05-30 02:00:00","type":"news"}
![sea lions at PIER 39](https://www.marinemammalcenter.org/storage/app/uploads/public/3a3/809/f73/thumb__237_185_0_0_crop.jpg)
The New York Times: 2,000 Sea Lions Roamed, Just to Make This Dock Their Home
May 30, 2024
Read More