Meet

Douglas MacKinnon brings more than three decades of boxing, Muay Thai, and coaching experience to South Beach Boxing. His journey began in Long Beach, California, in 1987, where he spent five years competing and winning tournaments before turning his attention to coaching and fighter development.

In 1998, Douglas moved to Florida and became one of South Beach Boxing's original trainers. Over the years, he has worked with professional and amateur boxers, MMA fighters, and everyday athletes, helping them develop proper striking technique, improve conditioning, and build confidence through training.

His coaching combines real-world fight experience with a deep understanding of physical conditioning and movement. A NASM Certified Personal Trainer and Brazilian Jiu-Jitsu Blue Belt, Douglas brings a well-rounded approach to boxing, Muay Thai, strength training, and fight preparation.

From 2013 to 2023, Douglas owned and operated Long Beach United Boxing Club, overseeing coaching, gym operations, and community programs. He has also helped establish youth boxing initiatives in Miami, California, and Costa Rica. Whether working with a competitive fighter or someone stepping into the gym for the first time, Douglas focuses on solid fundamentals, discipline, and helping each person reach their potential.