Curso de Entrenador y Preparador físico FGC Nivel 4 delivers an intensive three-day coach education program for freediving trainers, blending gym-based strength and conditioning, pool skills, and open-water techniques in South Florida. Classes convene at Crandon Park Marina - 4000 Crandon Blvd, Key Biscayne, FL 33149, with additional training around Homestead at 1220 Palm Dr, Homestead, FL 33035, USA. The setup gives candidates real-world exposure to Biscayne Bay's warm, shallow waters and to the region's coastal training environments. Expect a practical mix: five classroom theory sessions, three in-pool practical modules, one gym session, and two open-water sessions. The course focuses on high-performance preparation - programming periodization, breath-hold physiology, dynamic and static apnea coaching, risk assessment, and athlete monitoring. Candidates arrive having completed Curso Básico FGC Nivel 1, Curso Avanzado FGC Nivel 2, and Curso de Rescate y Salvamento FGC Nivel 3; participants must be 18 or older. Organizer and operator details are not provided. Why this course stands out here: South Florida's subtropical coastline offers stable, warm water and clear visibility for repeated open-water drills, while the nearby gym and pools allow measurable strength and breath-control testing. The local marine environment includes seagrass flats, mangrove edges, and shallow reef structures - ideal for practicing depth-less buddy protocols and surface management. The limestone shelf and sandy flats of Biscayne Bay create predictable conditions that shorten the learning curve for coach candidates. Practical takeaways include building athlete-specific conditioning plans, conducting efficient pool sessions, and running safe open-water trainings under changing tidal and wind conditions. Students learn to use simple yet effective monitoring tools - pulse oximetry, perceived exertion scales, and dive logs - to track adaptation over training cycles. This course appeals to aspiring freediving coaches, competitive freedivers seeking a career pivot, swim coaches expanding skill sets, and fitness professionals who want to add breathhold disciplines to their repertoire. It's also a chance to combine professional development with the area's access to year-round diving and training venues, from sheltered bays to managed marina exits. Bring certification proofs, a willingness to practice repeatedly, and an eye for detail - coaching freedivers is about incremental gains and rigorous safety. With a clear syllabus, hands-on repetition in pool and sea, and the South Florida coast as a training ground, this Level 4 program is a focused next step for coaches preparing athletes for competitive freediving. Logistics are straightforward: sessions rotate between classroom time, controlled pool drills, and supervised outings from Crandon Park Marina's sheltered slipways; students should arrive with proof of prerequisite certifications and swim fitness. Local infrastructure in Homestead and Key Biscayne offers equipment shops, pools, and access to professional gyms. Completing Nivel 4 positions coaches to run regional training camps, support elite athletes, and contribute to safer, better-documented freediving programs across South Florida.