
Coached by people who care
The coaching is what makes O-SEA different. Our coaches are experienced, encouraging, and genuinely invested in your progress.

Josh Miller
Owner & Head Coach
Josh is a CrossFit Level 3 Trainer and a 2025 CrossFit Games competitor (Men's 50-54) who has coached since 2012. He leads O-SEA with the same energy members rave about in their reviews: friendly, knowledgeable, and committed to helping every person train hard and move well. Read Josh's full profile

Josh & Jenn Miller
San Clemente family
Josh and his wife, Jenn Miller, are raising five kids in San Clemente and run their local businesses side by side. Jenn is an Orange County birth doula and birth photographer.

Join the team
We are growing
Passionate about coaching people to move and feel better? We would love to hear from you. Reach out through our contact page.
Train with our coaches
Book a free consultation and meet the coach who will guide your training.