Columbia Association is a community organization working to offer recreational, cultural and community services for residents of the area. The group maintains over 3,000 acres of open areas, including lakes, parks, basketball and tennis courts, as well as more than 90 miles of walking, jogging and biking trails. Some facilities, services and centers include an art center, a teen center, before- and after-school care, summer camps, free summer concerts, sports facilities and three fitness clubs. Some fitness and sports facilities include an indoor swim center, 23 outdoor pools (including two mini waterparks), two golf courses, tennis clubs, an indoor ice rink and the Columbia SportsPark with miniature golf, batting cages, skateboarding and in-line skating. The association also offers numerous fitness classes and programs, including aerobics, dancing classes, Zumba, tae bo, kickboxing, express abs, step classes, yoga and more. Annual memberships are available to most of these recreational facilities; check the main website for details or for more information on classes or programs.