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!
What We're Working On
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
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The Marine Mammal Center In The News
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In the News
Marketplace: Diving below the surface with an aquatic veterinarian
May 5, 2025
Read More{"image":"\/Animals\/Patients\/Elephant seals\/cropped-images\/es-duo-in-pool-by-bill-hunnewell-c-the-marine-mammal-center-80-0-1270-992-1746831113.jpg","alt":"two elephant seal pups in a pool","title":"But Why: What\u2019s a seal? What\u2019s a sea lion?","link_url":"https:\/\/www.marinemammalcenter.org\/news\/but-why-whats-a-seal-whats-a-sea-lion","label":"In the News","date":"2025-05-02 02:00:00","type":"news"}
{"image":"\/People\/Action\/Response\/cropped-images\/pygmy-sperm-whale-necropsy-pismo-beach-321-0-1270-992-1740076440.jpg","alt":"experts examining stranded pygmy sperm whale","title":"KMPH: Dead pygmy sperm whale washes ashore at Pismo Beach","link_url":"https:\/\/www.marinemammalcenter.org\/news\/kmph-dead-pygmy-sperm-whale-washes-ashore-at-pismo-beach","label":"In the News","date":"2025-02-19 01:00:00","type":"news"}
{"image":"\/Animals\/Patients\/Hawaiian monk seals\/2024\/keaka-c-the-marine-mammal-center-noaa-permit-24359.jpg","alt":"Hawaiian monk seal Keaka","title":"Big Island Now: Honok\u014dhau Harbor\u2019s new Hawaiian monk seal pup neighbor welcomed, but maybe too much?","link_url":"https:\/\/www.marinemammalcenter.org\/news\/big-island-now-honokohau-harbors-new-hawaiian-monk-seal-pup-neighbor-welcomed-but-maybe-too-much","label":"In the News","date":"2024-11-26 16:46:45","type":"news"}
In the News
Big Island Now: Honokōhau Harbor’s new Hawaiian monk seal pup neighbor welcomed, but maybe too much?
November 26, 2024
Read More