Chelsea Piers Field House Brooklyn Summer Camp weeks are nearly sold out. Secure your spot in full-day Gymnastics, Camp Chelsea, and Ninja Camps today for ages 5+. Camp runs June 17 – Aug 30. Already signed up? Add a daily 30-minute swim lesson to your camp day. Learn to swim from our dedicated coaches in a safe, friendly, and fun environment. Can’t wait to see you this Summer at 601 Dean Street in Brooklyn!