Un Mar de Colores · Imperial Beach, CA
Career exploration in marine science, coastal conservation, and environmental justice — not generic job fairs.
Un Mar de Colores runs its flagship Ocean Stewards After-School Program for Imperial Beach teens ages 13–17, in partnership with South Bay Union School District. Students meet three afternoons a week for tutoring, environmental literacy, and career exploration, with a Thursday beach day at IB Pier. Our Imperial Beach cohort draws primarily from Imperial Beach Elementary, Oneonta Elementary, Mar Vista Middle School. Transportation, meals, tutoring, and surf instruction are entirely free.
Tuesday–Thursday, year-round · Completely free
Imperial Beach is the southernmost beach city in California and ground zero for our Tijuana River watershed work. Beach closures from transboundary sewage flows regularly impact water quality here, which is why our Imperial Beach cohorts combine surf instruction with direct environmental justice education — kids learn about the river and the coast as a single system. Mar Vista Middle and Imperial Beach Elementary are our flagship Title I partners.
Sign-up friction keeps eligible Imperial Beach teens out. We prioritize counselor referrals from South Bay Union School District and partner org introductions — contact us to route your teen to the right cohort.
College prep in Imperial Beach through after-school should include career exposure to marine science and coastal jobs — not generic resume workshops. Ocean Stewards connects teens to professionals and alumni pathways.
Serving Imperial Beach means meeting families where they are: San Diego schools, community centers, and partner orgs that already hold trust. We don't wait for families to find the beach — we bring youth to the water.
When we say free for Imperial Beach youth, we mean wetsuits, soft-tops, rashguards, sunscreen, transportation, and instruction — the full stack commercial programs charge $50–$150 per session for.
Primary Imperial Beach teaching location — WHEN water quality is safe. Tijuana River sewage flows regularly close this beach.
Imperial Beach sits at the southern terminus of California and is the closest beach to the US-Mexico border. The Tijuana River mouth is 2 miles south.
In partnership with South Bay Union School District and local community organizations, we recruit youth from 3+ Title I schools.
The Ocean Stewards After-School Program is Un Mar de Colores's flagship year-round offering for BIPOC teens ages 13–17. Three afternoons a week, students meet at partner school sites for academic tutoring, environmental literacy modules aligned with the California NGSS standards, career exploration, and college preparation. Every Thursday is a beach day — students head to The Strand, Tamarack, or Moonlight for water programming that reinforces the week's environmental science curriculum. The program runs during the full school year, connecting academic outcomes with coastal stewardship and career pathways in marine science.
Un Mar de Colores is a BIPOC-led 501(c)(3) nonprofit founded in Oceanside, California in 2018. Our instructors are certified by the San Diego Fire-Rescue Lifeguard Division and hold CPR + First Aid credentials.
“"He used to approach new activities with extreme anxiety — to the point where sometimes we couldn't even get out of the car. Now he goes much deeper into the water."”
Ocean Stewards is Un Mar de Colores's free year-round after-school program for BIPOC teens ages 13–17 in Imperial Beach. Tuesday and Wednesday afternoons include academic tutoring, environmental literacy, and college prep. Every Thursday is a beach day with surf instruction reinforcing the week's science curriculum.
Yes — all programming is bilingual. In Imperial Beach, where 42% of households are Spanish-speaking, bilingual staff lead every session and parent communications arrive in both English and Spanish.
Ocean Stewards in Imperial Beach is 100% free — tutoring, environmental science, Thursday surf sessions, healthy snacks, and transportation from partner schools. Commercial tutoring in San Diego County often costs $40–$80 per hour. We fund access through grants and donors so Imperial Beach families never pay.
Yes. All Un Mar de Colores programs in Imperial Beach are 100% free — including 3/2mm wetsuits, soft-top surfboards, transportation from partner schools like Imperial Beach Elementary, Oneonta Elementary, Mar Vista Middle School, and certified bilingual instruction. Funding comes from the San Diego Foundation, community grants, and individual donors. No Imperial Beach family has ever paid for our programming.
Primary water sessions run at IB Pier. Classroom components happen at Imperial Beach Sports Park and other partner sites. All water activities happen within lifeguard-flag zones.
We serve youth ages 13–17. In Imperial Beach specifically, our recruitment runs through South Bay Union School District — with priority enrollment for students from Imperial Beach Elementary, Oneonta Elementary, Mar Vista Middle School. Cohorts are age-appropriate (One Ocean for 6–12, Ocean Stewards for 13–17).
No. We begin every cohort with ocean-safety fundamentals in chest-deep whitewater at IB Pier, supervised by instructors certified by the San Diego Fire-Rescue Lifeguard Division. Water comfort is built progressively. In Imperial Beach, we also run pre-cohort pool-familiarization sessions at local community pools for students who request extra comfort-building.
Yes. All Un Mar de Colores programs are bilingual — and in Imperial Beach, where 42% of households are Spanish-speaking, we intentionally pair at least one bilingual coach to every session. Cultural programming is delivered in both languages, and parent communications are always sent in Spanish and English.
Three ways: (1) everything is free, while most Imperial Beach surf programs charge $50–$150 per lesson; (2) we are BIPOC-led and our coaches reflect the 73%-BIPOC Imperial Beach community we serve; (3) our curriculum includes environmental justice, Kumeyaay coastal history, and cultural arts — not just surf skills. We exist because the ocean should belong to everyone in Imperial Beach, not just those who can afford access.
Visit our sign-up page or contact us directly. Priority enrollment goes to students of Imperial Beach Elementary, Oneonta Elementary, Mar Vista Middle School and referrals from Imperial Beach Sports Park and South Bay Alliance. Summer cohorts fill 3–4 weeks before start, so early contact is recommended.
Join hundreds of Imperial Beach families who trust Un Mar de Colores for free ocean programming. Enroll today.
All Un Mar de Colores programs are free for Imperial Beach youth. Reach out to enroll, volunteer, or support the movement.
Un Mar de Colores is a BIPOC-led 501(c)(3) nonprofit based in Oceanside, California. We provide free surf, ocean, and environmental programming for youth across San Diego and Tijuana — bridging cultures, coasts, and communities since 2018.
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