Founded by Jack O’Neill, O’Neill Sea Odyssey delivers free, hands-on marine science education to diverse youth aboard a 65-foot catamaran. Our mission is to ignite scientific curiosity and inspire environmental stewardship by connecting students to the ocean and watershed ecosystems. We champion a new generation of ocean-literate leaders through transformative, real-world science experiences.
From the Valley to the Sea, the O’Neill Sea Odyssey (OSO) is a one-of-a-kind marine science adventure that turns the ocean into a dynamic classroom. We take learning beyond the textbook. Aboard our 65-foot catamaran, students explore marine biology, ecology, and navigation, connecting bilingual classroom learning with real-world science and student-led service projects. OSO believes the ocean should be free and accessible, and we work to eliminate financial, cultural, and logistical barriers so all students can participate.
With support from Monterey County Gives, Salinas Valley students will experience the ocean up close, many for the first time. This moment sparks lasting curiosity and fosters a deep sense of environmental responsibility. When a child builds a connection to the natural world, they understand their role in protecting it. Outdoor learning supports academic success, mental well-being, and a lifelong bond with nature.
The ocean is their classroom—your gift keeps it open.
For over 20 years, the O’Neill Sea Odyssey (OSO) has provided free, marine science education to students across Monterey County. We believe the health of our communities, economy, and environment are deeply interconnected—and those most affected by environmental change deserve access to the knowledge and opportunity to champion its protection.
Annually, more than 30% of OSO’s participants come from Monterey County. We prioritize 4th–6th grade classes from marginalized communities, where over 60% of students qualify for Free and Reduced Lunch and over 60% identify as Hispanic.
OSO regularly serves students from King City, Marina, Greenfield, Elkhorn, and Prunedale—communities deeply connected to the Monterey Bay but often excluded from coastal experiences. This year, Monterey County Gives funding will provide 10 classes from Salinas and Alisal Union School Districts, where 89% of students are economically disadvantaged and 53% are English language learners. These students represent the future of California’s leadership.
The OSO program is wonderful. Many of my students have not seen the ocean or been on a boat before. For my 4th graders, this experience will be remembered for a long time. We are grateful to all the instructors, captain, and donors for their generosity to ensure this experience, and the transportation is accessible to my students. This unique experience will be remembered by the students for a long time.
- Kevin Roberts, Southern Monterey County
