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Doubled Your Impact for Our Ocean

Did you know that because of this caring community, more than 27,000 marine mammals have been rescued since the Center opened in 1975?

The animals are showing us that human activity is putting their lives at risk and threatening the health of our ocean. That’s why studying ocean health is key to helping marine mammals. And you can make a real difference today by doubling your impact for our ocean.

You can celebrate 27,000 animals rescued with your gift of just $27. Your life-saving donation will be matched dollar-for-dollar by a group of generous donors like you!

Double my impact today
California sea lion
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

Behind the Scenes at The Marine Mammal Center: Patient Weight Checks

Tuesday, Dec 2, 2025, at 10:00 am
Learn more

Behind the Scenes at The Marine Mammal Center: Feeding Our Patients

Tuesday, Dec 2, 2025, at 1:00 pm
Learn more
Ke Kai Ola Open House Series
Ke Kai Ola

Ke Kai Ola Open House Series

Saturday, Dec 6, 2025, at 10:00 am
Learn more
Harbor seal Denali
Sausalito

Marine Science Sunday: Seal and Sea Lion Superstars of 2025 at 10:30 a.m., 12:00 p.m. or 2:00 p.m.

Sunday, Dec 14, 2025, at 10:30 am
Learn more
Harbor seal Denali
Sausalito

Marine Science Sunday: Seal and Sea Lion Superstars of 2025 at 10:30 a.m., 12:00 p.m. or 2:00 p.m.

Sunday, Dec 28, 2025, at 10:30 am
Learn more
Ke Kai Ola Open House Series
Ke Kai Ola

Ke Kai Ola Open House Series

Saturday, Jan 3, 2026, at 10:00 am
Learn more
Ke Kai Ola Open House Series

Ke Kai Ola Open House Series

December 6 & January 3 | 10am, 11am & 12pm

You’re invited to sea what our Ke Kai Ola hospital in Hawaiʻi is all about during our free monthly Open House Series.

Dive into Hawaiian monk seal conservation efforts and learn more about their rehabilitation journey firsthand. Plus, ocean-inspired keiki crafts and educational tours promise a seal-iously good time for the whole family!

Location: 73-731 Makako Bay Drive, Kailua-Kona, HI
Dates: December 6 & January 3
Tours: 10am, 11am & 12pm
No pre-registration required


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
programs, virtual programs, webinar, behind the scenes, event calendar, upcoming events, science talks