The Waltham YMCA is a membership organization that serves youths, teens, adults, senior citizens and families. The organization provides support services through various programs and activities. It caters to the needs of people of all ages, races, ethnicities, religions, abilities and financial circumstances in Watertown, Belmont, Arlington, Weston, Bedford and Lexington in Massachusetts. The Waltham YMCA has indoor and outdoor pools, as well as provides classes in swimming and aerobics. The organization offers personal training, group exercise, and health and wellness programs. The Waltham YMCA organizes several events, such as food drives and night outs. The organization administers the Always Welcome at YMCAs (AWAY) program. It is a part of the YMCA of Greater Boston.