Earth Day
on the Bay

Join us as we celebrate Earth Day!  We have events on-land and sea to to keep hands busy!

Getting ready for 2023!
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April 2023 - Date TBD

Discovery EcoVoyage

10 - 12 pm, 1 - 3 pm, and 3 - 5 pm

Climb aboard our floating classroom, the 90' research vessel the Robert G Brownlee, for an exploration of the SF Bay like no other! Help us set a net sample to see what fish are swimming below, pull up a bottom sample and see what's hidden in the mud, and peer into the world of plankton.


Registration is closed till 2023
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April 2023 - Date TBD

Shoreside Discovery and BioBlitz

10 - 12 pm, and 1 - 3 pm

Join us for unique opportunities and scientific discovery. During our Earth Day celebration, we will identify as many Bay species as possible within our collection area and upload them to iNaturalist, an open-source database used by scientists and policymakers around the world. Other stations include scientific explorations focusing on household hazardous waste, and California’s watersheds. This event is perfect for friends and families to work together to get a snapshot of our waterfront’s biodiversity.

Registration is closed till 2023
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April 2023 - Date TBD

Lunchtime Excitement

12 - 1 pm

Exciting add on, join the band for lunchtime song and dance!
This add-on is only available with either morning or 1 PM program times.





Registration is closed till 2023

Become a sponsor today

Sponsorship Opportunities Packet

Earth Day is an international celebration of conscientious environmental stewardship observed by people from all walks of life, nationalities, and faiths. Marine Science Institute delights in observing Earth Day alongside likeminded individuals and corporations who share similar green ideologies.


Sponsoring Earth Day on the Bay is a great way to reach community members who share your green values.  Your sponsorship will help achieve the goals of the day:

  • Inspire greater stewardship of the natural environment.

  • Raise community awareness of impacts of litter and pollution.

  • Increase commitment to reusing and recycling.

  • Support hands-on science education for schools year-round.

Questions? email

Give it up for our 2022 Sponsors

Click sponsor links to learn more about them and their programs

Elo Touchscreen Systems
Peninsula Clean Energy
Bye Bye Mattress