Golf Mindset & Performance Training. Tailored for Your Game.

MindMill Golf helps golfers master their inner game so their best golf can show up naturally. Through on-course mindset coaching, ritual, and presence-based training on the Big Island of Hawaiʻi, we guide players who want more clarity, confidence, and joy in their game. You bring the skill. We help you access it when it matters.

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Coach

Seth Marcus

Seth Marcus is a performance and mindset coach who helps golfers master their inner game so their best golf can show up naturally. Drawing from decades of study in performance psychology, mindfulness, entrepreneurship, and mentorship from world-class coaches, Seth guides high-end clients on the Big Island of Hawaiʻi and globally through calm, practical, and deeply effective on-course experiences. His work is grounded in presence, routine, and trust, helping players enjoy the game and perform at their best when it matters.

“I’ve taken plenty of lessons, but this was different. Seth helped me slow down, stay centered, and actually enjoy the round while playing better golf.”
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Frank Harbinger
Retired Executive

Golf Mindset Mastery

I work with discerning golfers, leaders, and golf professionals who understand that the greatest gains in the game don’t come from more mechanics—but from mastering the inner game.

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Mindful 9 — On-Course Mindset Experience

A guided 9-hole experience for individuals or small groups focused on presence, routine, flow, and joy. We build simple, repeatable mental frameworks and apply them in real time on the course—so you play freer, calmer, and more connected.

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Private Golf Mindset Coaching

Ongoing 1-on-1 or small-group coaching for golfers who want sustained performance gains. This work integrates mental discipline, emotional regulation, and embodied awareness to support peak performance—on the course and in life.

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Pro & Course Partnerships

I collaborate with golf professionals, academies, and courses to enhance clinics, lessons, and training programs. This includes mindset education, flow-state training, and practical inner-game tools that complement technical instruction and elevate player results.

Master Your Inner Game

Golf is a mental game—yet most players never truly train the mind.

I work with high-performing golfers, professionals, and select courses to integrate presence, flow, and inner-game mastery into the way golf is taught and played. This work doesn’t replace technical instruction—it enhances it. The result is calmer rounds, better decisions, more consistency, and a deeper enjoyment of the game.

Whether you’re an individual golfer seeking a more connected round, a professional looking to elevate your clinics, or a course interested in offering a truly differentiated experience, this is an invitation to explore a new level of performance.

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