The Marine Mammal Center

🌊 Advancing ocean health through marine mammal rescue and rehabilitation, research, and education.
☎️ Rescue Hotline [phone]

[The Marine Mammal Center @TMMC]

📣 Symbolically #adopt California #SeaLion Babymac, who was called in by @mountainviewpd earlier this year 💙

Each symbolic adoption provides food and medicine for sick sea lions just like Babymac 🤝 Get your adoption certificate at https://t.co/ffSXljnap1.

[The Marine Mammal Center @TMMC]

Watch Angel (Education Volunteer Coordinator) answer one of our most commonly asked questions: do we tag our patients? Save our #hotline in your phone now 📲 (415) 289-SEAL (7325) to report #MarineMammals in need or tag sightings to let us know how former patients are doing 🏷️👀

[The Marine Mammal Center @TMMC]

Imagining this moment without the protections that made it possible 🤔💭 Today we're celebrating 54 years of the #MarineMammalProtectionAct! The MMPA helps protect #MarineMammals, giving animals like #California #SeaLion BarkTwain a #SecondChange at life 🥳🙌

[The Marine Mammal Center @TMMC]

@sofi_gently71 @SarahCAndersen All proceeds from gift store purchases benefit our ongoing conservation work, education, patient treatments, rescue, and response. Read more about how we rehabilitate and research Guadalupe fur seals at https://t.co/UJSHf4V5gt.

[The Marine Mammal Center @TMMC]

Coming in hot 🔥 with the #Aries reveal from @SarahCAndersen ♈️🐏 As a threatened species, the resilient #GuadalupeFurSeal embodies the courageous and determined spirit of this cardinal sign ❤️‍🔥 Grab a sticker to help #MarineMammals in need at https://t.co/vMpN7TeEgW.

[The Marine Mammal Center @TMMC]

During the 2025-26 Ocean Ambassadors program year, we welcomed 59 #teachers and 5,000 #students from seven #BayArea counties.

Learn more about this immersive year-long program at https://t.co/DvBuCgJhYW.

[The Marine Mammal Center @TMMC]

Visit our free Open House presented by Hawai'i Tourism Authority.

📍 73-731 Makako Bay Drive, Kailua-Kona, HI
📅 Nov. 7
🕙 10am-12pm; tours every 30 mins
🎟️ https://t.co/qlXuVuEtHT

#MalamaKuuHome @HawaiiHTA @hawaiiancouncil @gohawaii

[The Marine Mammal Center @TMMC]

Feeling #Festive? Our #HolidayCollection is now live! 🎁❄️ #Ornaments, cards, and #HolidayFun—oh my! #GetPrepped for the holidays while supporting #MarineMammals in care 💝🦭 Shop today ➡️ https://t.co/HVwCYZwjaP.

[The Marine Mammal Center @TMMC]

We're #Hiring‼️🗣️ With #OpenOpportunities in #Development, #DonorServices, and #AnimalCare, don't miss the chance to work at the world's largest #MarineMammal hospital 🦭 Apply today ➡️ https://t.co/tNi8NwBuUS.

[The Marine Mammal Center @TMMC]

We're #Hiring‼️🗣️ With #Opportunities in #Development and #AnimalCare, don't miss the chance to work at the world's largest #MarineMammal hospital 🦭 Apply today ➡️ https://t.co/tNi8NwBuUS ⬅️

[The Marine Mammal Center @TMMC]

@maxsbennett @lolawajs We seal-ly appreciate your generous support of our work 🦭 We're also open to the public for free visits Friday-Monday 10am-4pm if you have the chance to come by sometime.

[The Marine Mammal Center @TMMC]

Many of our recent #patients are recovering from #DomoicAcid poisoning caused by harmful algal blooms in the #ocean.

You can give sick #SeaLions and #FurSeals a second chance with a donation at https://t.co/huHGa8bIF2.

📷 Jillian Pastick
#AnimalHospital #WildlifeRescue

[The Marine Mammal Center @TMMC]

@lolawajs Hi! Yes, our team rescued a lethargic sea lion, that was also actively having seizures, from Aquatic Park. It was admitted to our hospital in Sausalito for care and given the name Sprinkler. Thank you for checking in on this animal 💙 https://t.co/PAsBVjjt47 to stay updated.

[The Marine Mammal Center @TMMC]

Our Boo by the Blue #Market takes place on the spookiest day of the year: #Halloween 🎃 Dress up or come as you are to support our #Local #SmallBusinesses 👻
📍 Where: Our Sausalito hospital
📅 When: October 31, 2026 from 10am-2pm
Reserve today 🧟 ➡️ https://t.co/vdbOuWQopb.

[The Marine Mammal Center @TMMC]

Meet our #SeaOtter #experts and get an insider’s look at the science protecting a keystone species on 10/30. Make a donation, get an invitation to an exclusive virtual event for our supporters.

https://t.co/huHGa8bIF2

Note: You must opt into email to receive the webinar link.

[The Marine Mammal Center @TMMC]

The adorable #HarborSeal HAD to be #Pisces for our @SarahCAndersen zodiac collection 🥰♓️ This gentle, sensitive water sign can be easily overwhelmed 😭 much like the orphaned pups we care for ❤️‍🩹 Grab a Pisces sticker to help support #MarineMammals at https://t.co/pgozYn3sak.

[The Marine Mammal Center @TMMC]

Former patient #SeaLion Autumn recovered from leptospirosis. She was fitted with a satellite tracking device to monitor how our treatments help animals thrive in the wild after care.

Read her recovery story at https://t.co/bTNIO75dYk.

📷 Bill Hunnewell, Chris Deimler

[The Marine Mammal Center @TMMC]

‼️The #PerfectGift for your #TypeA friend is now available 💁📅 Stay organized in the new year while #Celebrating #Rehabilitated and #Released patients, like Pacific #HarborSeal Sionna, and their #Unique stories 🤗 Shop today ➡️ https://t.co/vhs1uKXJqV.
📷 Karli Chadeau

[The Marine Mammal Center @TMMC]

@Satorijrou 🤫🦕

[The Marine Mammal Center @TMMC]

#PacificHarborSeal patients Brontosaurus, Gravity, Cage and Snugwort were released recently 🥳 #FunFact: Our #Release Crews will often wet the ramps so our patients have maximum glide to the sand 🛝🏖️
📲 #Share with a #Friend to join the seal-ebration 🎉🤗🦭

[The Marine Mammal Center @TMMC]

Former patient California sea lion Pumpkinhead 🎃

#SeaLion #Pumpkin #Halloween

[The Marine Mammal Center @TMMC]

@sofihra The name was a suggestion from one of our volunteer rescuers! We are in urgent need of new volunteers - learn more about volunteering here https://t.co/jdE7i3Q8zV 🤩