San Francisco Bay is the heart of the Bay Area, connecting businesses, neighborhoods, and natural ecosystems.
Sponsoring Baykeeper is your exclusive chance to champion clean water and healthy communities while demonstrating your commitment to this special place we call home.
Defend the Bay with Baykeeper
Take a Stand for a Healthier Bay area
Keep Baykeeper on the water and in the courts to stop pollution.
Since 1989, Baykeeper’s unique combination of science, advocacy, and the law has delivered over 300 legal victories protecting people and wildlife around the Bay.
With you by our side, we’ll defend San Francisco Bay and elevate your company’s reputation as a local environmental leader.
Baykeeper sponsors are feature supporters of these signature events
The State of the Bay
Join Baykeeper in March for The State of the Bay 2027, a free virtual briefing led by Executive Director Sejal Choksi-Chugh. Learn about the biggest threats facing the Bay and how your partnership is making a difference for the Bay Area. View the 2026 event here.
The 2027 Bay Celebration
Showcase your impact for SF Bay at the Bay Celebration in May at the Dolphin Club in San Francisco. This special event brings together 200+ passionate Bay defenders to celebrate protecting SF Bay and our efforts for a healthy Bay Area.
The Clean Bay Challenge
The Clean Bay Challenge activates Bay Area residents to conduct individual cleanups all around SF Bay for Earth Month. Volunteers will remove trash from local neighborhoods, parks, and shorelines, contributing to a #trashfreebay.
Ca Coastal Cleanup Day
Mobilize volunteers to participate in the biggest annual cleanup event, CA Coastal Cleanup Day, on September 18, 2027. Be recognized for your support while keeping San Francisco Bay safe for wildlife and recreation.
Join Us On the Water this Fall
Experience our mission in action before becoming a sponsor!
Join Baykeeper and fellow Bay Area companies on October 22 to collect water quality samples, stop trash pollution, and learn how we’re protecting San Francisco Bay.
As our guest, you’lll receive complimentary registration for up to five team members.
Email [email protected] to claim your spots!
Baykeeper 26-27 SPONSORSHIP Packages
Baykeeper is extending sponsorship opportunities to a select group of Bay Area businesses that share our commitment to a healthy San Francisco Bay.
Explore the partnership level that’s right for you:
Together, we’ll protect the Bay Area from pollution, safeguard wildlife, and ensure a climate resilient future for the Bay Area.
Please note – To be recognized as a 2027 Baykeeper partner at the State of the Bay, sign up by March 1. To be recognized as a 2027 partner for Earth Month, sign up by March 20. To be recognized as a 2027 Baykeeper partner at the Bay Celebration, sign up by April 9.
Review our sponsorship deck to learn more about the impact your support will make for the Bay.
To discuss sponsorship opportunities, please contact Eliet Henderson at [email protected] or (510) 671-5526
Thank You to our 2026 Bay Champion Sponsors:
Partner with Baykeeper
Together, we’ll Defend the Bay
Your investment will ensure the Bay and Bay Area communities are protected from pollution for generations to come.
Show your commitment to a thriving and healthy Bay Area by joining Baykeeper as a 26-27 Sponsor.