After 30 years of young gymnasts tumbling around a large warehouse space on Sunset Park Drive in Herndon, Gymini Gymnastics has closed its doors.

The gym closed on May 31, said owner Marty Comiskey, who was at the cavernous space with the last remaining balance beams and mats on Tuesday.

Comiskey, 65, said he and his wife, Gwynne, had been thinking of retiring when a real estate broker made an offer to purchase the space last year.

“I have been involved in gymnastics for over 50 years, teaching/coaching for more than 40 years and a club owner for 35 years,” he said in a message to parents earlier this year. “I think it is time. … It has been a good run; 35 years is a long time for a small business to survive. We have many pleasant memories working with all the girls and boys in our class programs.”

Indeed, hundreds — perhaps thousands — of children growing up in Reston, Herndon and surrounding areas took classes and attended birthday parties at the gym. Gymini offered all levels, from preschool age to competitive teams. Comiskey coached many state, national and college competitors over the years.

Comiskey said the gymnasts will continue at other area gyms. The equipment was also sold to other gymnastics facilities and schools, he added.