The Mastics-Moriches-Shirley Community Library serves about 49,850 residents of the city of Shirley and Suffolk County, New York. The library comprises the Main Library in Shirley, the Mastic Beach Branch, and the Moriches Satellite Branch. It maintains 169,986 volumes and circulates approximately 825,420 items per year, including physical and digital collections. The library offers museum passes, meeting rooms, public computers with Microsoft Office and Internet access, printing (including 3D printing), copying, faxing, assistive technology, one-on-one tech help, and homebound delivery.