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Your gift will be doubled for a pup like Willow

Pupping season is here — and that means pups, pups and more pups like Willow are coming through our hospital doors. Your help is urgently needed to help feed them.

You can provide fish meals that a hungry pup patient needs to grow strong. And today, your gift will be matched dollar-for-dollar up to $135,000 thanks to a group of very generous friends of the Center.

Yes, your generous gift will be doubled to help a pup get a second chance at life.

Double your impact
Harbor seal pup Willow
1 of 4

  1. Pre-Order Chonkers the Steller Sea Lion Plush

    Inspired by the real Chonkers—the beloved 2,000-pound Steller sea lion at PIER 39 in San Francisco—this plush captures the gentle giant's iconic charm.
    Pre-Order
    Chonkers plush

  2. What's a “Fish Smoothie”?

    Caring people like you provide the food and medical care our youngest patients need to grow strong. In the wild and at our hospital, learn how a seal pup’s nutrition lays the foundation for healthy, thriving life.
    Read now
    HS fish smoothie

  3. Marine Science Sunday: Saving Species

    Join us in Sausalito on May 10 and 24 for Marine Science Sunday, our free immersive learning program! This month, you’ll hear about marine mammals that have returned from the brink of extinction and the endangered species we care for at our hospital.
    Learn more
    Marine Science Sunday

  4. Help save a life!

    Your generous gift today will provide the food and medical care a pup like Fumble needs to recover. 
    Donate today
    Guadalupe fur seal Fumble NOAA permit #24359

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

tour guide with a group at the Observation Deck looking out at patients

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

humpback whale leaping out of the water

Make a Gift in Honor/Memory

group of harbor seals at the marine mammal center

Adopt-a-Seal®

trio of California sea lions returning to the wild

Leave a Legacy Gift in Your Will

Charity Navigator Four Star Charity
Charity Watch logo
Independent Charities Best in America seal
Platinum Seal of Transparency 2026
2025 top rated nonprofit award
1 Percent for the Planet

What's New

See all news

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

Animal care volunteers gently position a feeding tube into a harbor seal pup’s mouth.

How Seal Milk and “Fish Smoothies” Help Pups Grow Strong

A California sea lion pup is stranded on a sidewalk in front of a car.

Sea Lion Irving Rescued on a San Francisco Street

wild northern elephant seal at ano nuevo state park

Avian Influenza Confirmed in Northern Elephant Seals

Adopt An Animal

See All Patients
southern sea otter, Mooring
threatened

Mooring

Southern Sea Otter — Female
Released
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

Our Impact in the News

See all press coverage

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




{"image":"\/Animals\/Wild\/Gray whale\/cropped-images\/two-gray-whales-golden-gate-bridge-shutterstock-0-0-1270-992-1770234810.jpg","alt":"two gray whales under the Golden Gate Bridge","title":"The Marine Mammal Center and San Francisco Harbor Safety Committee Pilot New Vessel Operator Training Program","link_url":"https:\/\/www.marinemammalcenter.org\/news\/the-marine-mammal-center-and-san-francisco-harbor-safety-committee-pilot-new-vessel-operator-training-program","label":"Press Release","date":"2026-02-06 01:00:00","type":"news"}
two gray whales under the Golden Gate Bridge
Press Release

The Marine Mammal Center and San Francisco Harbor Safety Committee Pilot New Vessel Operator Training Program

February 6, 2026

Read More 
{"image":"\/People\/Action\/Veterinary care\/cropped-images\/Harris_Green turtle_TMMC-0-0-1270-992-1767649941.jpg","alt":"Heather Harris","title":"Seattle Aquarium Awards Dr. Heather Harris With Prestigious Conservation Research Award","link_url":"https:\/\/www.marinemammalcenter.org\/news\/seattle-aquarium-awards-dr-heather-harris-with-prestigious-conservation-research-award","label":"In the News","date":"2026-01-05 04:48:00","type":"news"}
Heather Harris
In the News

Seattle Aquarium Awards Dr. Heather Harris With Prestigious Conservation Research Award

January 5, 2026

Read More