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Double Your Impact for an Endangered Seal

With fewer than 2,000 Hawaiian monk seals left, each one needs us now more than ever. In honor of Endangered Species Day this month, your gift will be matched dollar-for-dollar up to $10,000—doubling your impact for these endangered animals—when you donate by Thursday, May 15.

Hawaiian monk seals like these two pups depend on caring people like you to help provide the meals, meds and care they need for a second chance. You can be their hope with your matched gift today.

Double my impact!
Hawaiian monk seal pups
an educator talks to guests on the observation deck during an event
  • Events

Join Us for an Upcoming Event

The Marine Mammal Center is open to the public.

Tickets are free but must be reserved online in advance.

Reserve tickets now

Upcoming Events

High school students preparing fish

Stewardship Saturday: Experiencing Fish Kitchen

Saturday, May 31, 2025, at 11:30 am
Learn more
sea otter

The Marine Mammal Center's 50th Anniversary in San Luis Obispo

Saturday, May 31, 2025, at 12:00 pm
Learn more


Looking for Tours?

We offer a variety of tour options to meet your needs. You'll get an in-depth look at our work and hear stories about the patients in our care. 

Plan your visit

courtyard view of the Sausalito hospital
photo © David Wakely Photography
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