The Marine Mammal Center advances global ocean conservation through rescue and rehabilitation, scientific 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.
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
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In the News
Mercury News: Lots of Gray Whales Are Swimming Under the Golden Gate Bridge into San Francisco Bay. Why?
Read More{"image":"\/Animals\/Wild\/California sea lion\/cropped-images\/pier-39-shutterstock-10-0-4328-3380-1604430869.jpg","alt":"sea lions at PIER 39","title":"NPR: A Seafood Bounty Lures Sea Lions to S.F.'s PIER 39 in Numbers Not Seen in 15 Years","link_url":"https:\/\/www.marinemammalcenter.org\/news\/npr-a-seafood-bounty-lures-sea-lions-to-sfs-pier-39-in-numbers-not-seen-in-15-years","label":"In the News","date":"2024-05-04 02:00:00","type":"news"}
In the News
NPR: A Seafood Bounty Lures Sea Lions to S.F.'s PIER 39 in Numbers Not Seen in 15 Years
Read More{"image":"\/Animals\/Patients\/Releases\/cropped-images\/csl-release-by-bill-hunnewell-c-the-marine-mammal-center-278-2-3752-2931-1715194127.jpg","alt":"two California sea lions return to the wild","title":"Voice of America: Sea Mammals and Ocean Health","link_url":"https:\/\/www.marinemammalcenter.org\/news\/voice-of-america-sea-mammals-and-ocean-health","label":"In the News","date":"2024-04-17 02:00:00","type":"news"}
{"image":"\/Animals\/Wild\/Harbor seal\/cropped-images\/harbor-seals-shutterstock-307-0-4076-3184-1645666025.jpg","alt":"group of harbor seals on a beach","title":"ABC7: You Might Be Unintentionally Harming Young Marine Mammals, Rescue Center Says","link_url":"https:\/\/www.marinemammalcenter.org\/news\/abc7-you-might-be-unintentionally-harming-young-marine-mammals-rescue-center-says","label":"In the News","date":"2024-04-25 02:00:00","type":"news"}
In the News
ABC7: You Might Be Unintentionally Harming Young Marine Mammals, Rescue Center Says
Read More{"image":"\/Animals\/Wild\/Gray whale\/cropped-images\/gray-whale-c-joey-meuleman-227-168-1080-844-1610669953.jpg","alt":"gray whale barely visible above the water","title":"Associated Press: Rescuers Search for Young Whale Entangled in Gill Net","link_url":"https:\/\/www.marinemammalcenter.org\/news\/associated-press-rescuers-search-for-young-whale-entangled-in-gill-net","label":"In the News","date":"2024-04-10 02:00:00","type":"news"}
{"image":"\/Animals\/Patients\/Hawaiian monk seals\/2024\/cropped-images\/hms-rs10-release-photo-c-the-marine-mammal-center-noaa-permit-24359-0-0-966-755-1712699238.jpg","alt":"Hawaiian monk seal RS10 returns to the ocean","title":"Honolulu Star-Advertiser: Rescued Hawaiian Monk Seal Pup Returns to Ocean, Hook-Free","link_url":"https:\/\/www.marinemammalcenter.org\/news\/honolulu-star-advertiser-rescued-hawaiian-monk-seal-pup-returns-to-ocean-hook-free","label":"In the News","date":"2024-04-09 02:00:00","type":"news"}
In the News
Honolulu Star-Advertiser: Rescued Hawaiian Monk Seal Pup Returns to Ocean, Hook-Free
Read More