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It’s Sea Otter Awareness Week!

Southern sea otter pup Langly became an orphan when she was too young to survive on her own. Staff and volunteers cared for her at our hospital, preparing meals six times a day until she was old enough to be released back to her ocean home.

Virtually adopt Langly to help sea otter pups like her!  

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  1. Entangled in Ocean Trash, Sea Otter Mooring Gets a Second Chance at Life

    Mooring, a southern sea otter that was caught in a life-threatening entanglement, received expert care at our hospital and is now swimming free in her ocean home.
    Read more
    Sea otter floating in the water

  2. You Can Save a Life!

    Your donation today helps give a second chance to sick and injured marine mammals.
    Donate today
    Sea otter Pip

  3. It's Sea Otter Awareness Month!

    Celebrating these charismatic creatures means today is the perfect time to stock up on all your otter essentials.
    Shop now
    Sea otter retail

  4. The New York Times: Scientists Begin Testing Bird Flu Vaccine in Seals

    Learn how researchers at The Marine Mammal Center are studying the bird flu vaccine in elephant seals as a similar species, as well as our next steps to protect Hawaiian monk seals.
    Read more
    Northern elephant seal

  5. What Do Sea Otters Eat?

    You already know sea otters are cute and charismatic, but how well do you know your sea otter facts? From a sea otter’s diet and habitat to unique adaptations, take a deep dive into this trivia!
    Test your knowledge
    Sea otter eating

Visit the World’s Largest Marine Mammal Hospital — Book Your Free Tickets Today!

Reserve Tickets Today!

See experts providing life-saving care to patients so they can be released back to the wild. Tickets are free but must be reserved online in advance. Hurry, spots fill up fast! 

view of the ocean from the front patio with sea lion sculpture in the foreground

Plan Your Visit

exhibit hall at the marine mammal center

See Our New Exhibits

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Explore Our Tours & Programs

Celebrating 50 Years of The Marine Mammal Center

What We're Working On

humpback whale breaching in front of San Francisco

Cetacean Conservation

northern elephant seal Mardi peers up from inside an enrichment item made from PVC pipe, fake kelp and red buoys

Enrichment

Hawaiian monk seal tangled in fishing gear

Ocean Trash

harbor seal Woody eating a fish

Sustainable Seafood

whale feeding with oil rig in background

Climate Change

Two Hawaiian monk seals sleeping on the beach.

Hawaiian Monk Seal Conservation

California sea lion with mouth open

Cancer

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.

Donate Now

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Make a Gift in Honor/Memory

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Adopt-a-Seal®

trio of California sea lions returning to the wild

Leave a Legacy Gift in Your Will

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What's New

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Stay up to date on the latest news from The Marine Mammal Center by signing up for email updates.

Two veterinarians collect a blood sample from an elephant seal in a rehabilitation pen.

Bird Flu Vaccine Trial May Offer Hope for Protecting Hawaiian Monk Seals

A southern sea otter rests in the ocean after being released from rehabilitative care.

Entangled in Ocean Trash, Sea Otter Mooring Gets a Second Chance at Life

2026 marine mammal center calendar cover star

Pacific Harbor Seal Denali Chosen as the 2026 Calendar Cover Star

Adopt An Animal

See All Patients
northern fur seal Reina

Reina

Northern Fur Seal — Female
Released
northern elephant seal Shrub with enrichment items including fake kelp and a red buoy

Shrub

Northern Elephant Seal — Female
Released
California sea lion Mayhem

Mayhem

California Sea Lion — Male
Released

Our Impact in the News

See all press coverage

Interested in talking to our experts? Contact our media team.




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Northern elephant seal
In the News

The New York Times: Scientists Begin Testing Bird Flu Vaccine in Seals

September 9, 2025

Read More 
{"image":"\/Animals\/Wild\/Gray whale\/cropped-images\/gray-whale-oreo-by-josie-slaathaug-c-the-marine-mammal-center-108-0-1270-992-1750880575.jpg","alt":"Gray whale fluke above the water","title":"Los Angeles Times: The numbers of gray whales migrating along the California coast continue to plummet","link_url":"https:\/\/www.marinemammalcenter.org\/news\/los-angeles-times-the-numbers-of-gray-whales-migrating-along-the-california-coast-continue-to-plummet","label":"In the News","date":"2025-06-25 02:00:00","type":"news"}
Gray whale fluke above the water
In the News

Los Angeles Times: The numbers of gray whales migrating along the California coast continue to plummet

June 25, 2025

Read More
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