If you are an advanced freediver, enroll directly in the Apnea Academy Advanced Monofin Freediving Course.
The theory, stretch/strength/technique exercises and confined water training are the same as the Basic Monofin Course (adapted to your experience level). Plus you will do Open Water line training. Course length is 4 days, often best interspersed with training sessions or other courses.
Same theory, stretching and confined water training as the Basic Monofin Course
Apnea Academy Level 2 or equivalent (SSI 2 / AIDA 3). Minimum age 14 years.