The Indian Boundary YMCA has been dedicated to serving the communities of Burr Ridge, Clarendon Hills, Darien, Downers Grove, Hinsdale, Lisle, Oak Brook, Westmont, Willowbrook and Woodridge for 50 years. At IBY, we are driven by community need, guided by community volunteers and open to all. As one of the largest not-for-profit organizations in the country, the YMCA is committed to providing opportunities to help people of all ages develop and grow in spirit, mind and body.