THE FOUNDER OF POSEIDON ASCEND

About Tavi Castro

Tavi Castro is a professional freediver, breathwork educator, cinematic underwater athlete, and high-performance coach based in Tulum, Mexico. He is the founder of Poseidon Ascend — a luxury freediving and breathwork experience designed for entrepreneurs, creatives, executives, and high-performers who want to master their nervous system, expand their limits, and reconnect with purpose.

With over a decade of experience in elite fitness, performance physiology, and breath control, Tavi combines ocean exploration with structured nervous system training to create transformational experiences.

Performance Credentials

  • Static breath hold: 7.5 minutes
  • Depth training exceeding 90 meters
  • Professional freediving safety protocols
  • Public speaker on resilience & performance
  • High-level underwater production

THE EVOLUTION

From Fitness to Mastery of Breath

Before dedicating himself to freediving, Tavi built a global reputation in the fitness industry. Over time, his focus shifted from external transformation to internal control. Freediving became the bridge.

The ocean demands stillness. It exposes fear, ego, and reactivity. Through structured breathwork and disciplined training, Tavi developed a framework that teaches individuals how to remain calm under pressure — in water and in life. That philosophy defines Poseidon Ascend.

THE METHODOLOGY

What Makes Poseidon Ascend Different

Participants do not simply try freediving. They train their nervous system. They learn how breath influences emotion, clarity, and decision-making. They experience controlled stress in a safe environment. They develop resilience.

Structured Breathwork

CO₂ tolerance development and parasympathetic activation.

Progressive Freediving

High-level safety standards and gradual depth progression.

Performance Psychology

Emotional regulation under stress and deep integration conversations.

CLIENTELE & COLLABORATIONS

Who He Works With

Tavi works with entrepreneurs, executives, creatives, athletes, and high-net-worth individuals seeking performance optimization and a deeper connection to themselves and the natural world.

He also collaborates with production teams and premium brands requiring cinematic underwater performance and advanced breath control for film, television, and commercial projects.

Philosophy

“Control your breath. Control your state. Expand your limits. Depth is not the objective. Awareness is.”