Infant Swimming Resource (ISR) is the safest and most effective provider of survival swimming lessons worldwide, teaching ISR Self-Rescue skills to children ages 6 months to 6 years old. With 50 years of experience and the highest safety standards in the industry, ISR is able to deliver the best survival swimming instruction in the world today. The result? Over 8 million safe and effective lessons delivered, providing children with a foundation for safety and a lifetime of fun in and around the water.