| Amagansett Free Library | 215 Montauk Highway 11930 | Amagansett | 65% | — | — | — | 2,000 | 2,000 | Rural |
| Amityville Public Library | 19 John Street 11701 | Amityville | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Babylon Public Library | 24 South Carll Avenue 11702 | Babylon | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Bay Port-Blue Point Public Library | 186 Middle Rd 11715 | Blue Point | 63% | — | — | — | 10,000 | 10,000 | Urban |
| Bay Shore-Brightwaters Pub Lib | 1 S Country Rd 11718 | Brightwaters | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Bayport-Blue Point Pub Library | 203 Blue Point Ave 11715 | Blue Point | 58% | — | — | — | 10,000 | 10,000 | Urban |
| Brentwood Public Library | 34 2nd Ave 11717 | Brentwood | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Brookhaven Free Library | 273 Beaver Dam Rd 11719 | Brookhaven | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Carnegie Branch | 160 W Main St 11772 | Patchogue | 80% | — | — | — | 10,000 | 10,000 | Urban |
| Center Moriches Free Public Library | 235 Main Street 11934 | Center Moriches | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Central Islip Public Library | 33 Hawthorne Ave 11722 | Central Islip | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Cold Spring Harbor Public Library | 95 Harbor Road 11724 | Cold Spring Harbor | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Commack Branch Library | 3 Indian Head Road 11725 | Commack | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Commack Public Library | 18 Hauppauge Rd 11725 | Commack | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Comsewogue Public Library | 170 Terryville Road 11776 | Port Jefferson Station | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Connetquot Public Library | 760 Ocean Ave 11716 | Bohemia | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Copiague Memorial Library | 50 Deauville Blvd 11726 | Copiague | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Deer Park Public Library | 44 Lake Ave 11729 | Deer Park | 65% | — | — | — | 2,000 | 2,000 | Urban |
| East Hampton Library | 159 Main Street 11937 | East Hampton | 65% | — | — | — | 2,000 | 2,000 | Rural |
| East Islip Public Library | 381 East Main Street 11730 | East Islip | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Elwood Public Library | 1929 Jericho Turnpike 11731 | Elwood | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Emma S Clark Memorial Library | 120 Main Street 11733 | Setauket | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Floyd Memorial Library | 539 1st St 11944 | Greenport | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Half Hollow Hills Main Branch | 55 Vanderbilt Pkwy 11746 | Dix Hills | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Hampton Bays Public Library | 52 Ponquogue Ave 11946 | Hampton Bays | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Hampton Library | Main Street 11932 | Bridgehampton | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Harborfields Public Library | 31 Broadway 11740 | Greenlawn | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Hauppauge Public Library | 601 Veterans Memorial Highway 11788 | Hauppauge | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Huntington Main Branch | 338 Main St 11743 | Huntington | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Huntington Station Branch | 1335 New York Avenue 11746 | Huntington Station | 62% | — | — | — | 10,000 | 10,000 | Urban |
| Islip Public Library | 71 Monell Avenue 11751 | Islip | 65% | — | — | — | 2,000 | 2,000 | Urban |
| John Jermain Memorial Library | 201 Main St 11963 | Sag Harbor | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Kings Park Branch Library | 1 Church St 11754 | Kings Park | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Lindenhurst Memorial Library | 1 Lee Ave 11757 | Lindenhurst | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Longwood Public Library | 800 Middle Country Road 11953 | Middle Island | 65% | — | — | — | 2,000 | 2,000 | Rural |
| Mastic Beach Branch | 369 Neighborhood Rd 11951 | Mastic Beach | 63% | — | — | — | 10,000 | 10,000 | Urban |
| Mastic-Moriches-Shirley Comm L | 407 Wm Floyd Pky 11967 | Shirley | 60% | — | — | — | 10,000 | 10,000 | Urban |
| Mastic-Moriches-Shirley Main Branch | 407 William Floyd Pkwy 11967 | Shirley | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Mattituck-Laurel Library | 13900 Main Road 11952 | Mattituck | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Medford Branch | Horseblock Rd 11763 | Medford | 80% | — | — | — | 10,000 | 10,000 | Urban |
| Melville Branch Library | 510 Sweet Hollow Road 11747 | Melville | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Middle Country Main Branch | 101 Eastwood Blvd 11720 | Centereach | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Middle Country Selden Branch | 575 Middle Country Rd 11784 | Selden | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Montauk Library | 871 Montauk Highway 11954 | Montauk | 65% | — | — | — | 2,000 | 2,000 | Rural |
| Moriches Branch | 201 Montauk Highway 11955 | Moriches | 63% | — | — | — | 10,000 | 10,000 | Urban |
| Nesconset Branch Library | 148 Smithtown Blvd 11767 | Nesconset | 65% | — | — | — | 2,000 | 2,000 | Urban |
| North Babylon Public Library | 815 Deer Park Avenue 11703 | North Babylon | 65% | — | — | — | 2,000 | 2,000 | Urban |
| North Shore Public Library | 250 Route 25a 11786 | Shoreham | 65% | — | — | — | 2,000 | 2,000 | Rural |
| Northport Branch Public Library | 151 Laurel Ave 11768 | Northport | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Patchogue-Medford Library | 54-60 E Main Street 11772 | Patchogue | 60% | — | — | — | 10,000 | 10,000 | Urban |
| Patchogue-Medford Main Branch | 54-60 East Main St 11772 | Patchogue | 80% | — | — | — | 10,000 | 10,000 | Urban |
| Port Jefferson Free Library | 100 Thompson Street 11777 | Port Jefferson | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Riverhead Free Library | 330 Court St 11901 | Riverhead | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Rogers Memorial Library | 91 Coopers Farm Rd 11968 | Southampton | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Sachem Public Library | 150 Holbrook Rd 11741 | Holbrook | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Sayville Library | 88 Greene Ave 11782 | Sayville | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Shelter Island Public Library | 37 North Ferry Road 11964 | Shelter Island | 65% | — | — | — | 2,000 | 2,000 | Rural |
| Smithtown Public Library Main Branch | 1 North Country Road 11787 | Smithtown | 65% | — | — | — | 2,000 | 2,000 | Urban |
| South Country Library | 22 Station Road 11713 | Bellport | 65% | — | — | — | 2,000 | 2,000 | Urban |
| South Huntington Public Library | 145 Pidgeon Hill Road 11746 | Huntington Station | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Southold Free Library | 53705 Main Road 11971 | Southold | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Suffolk Cooperative Library System Administration Building | 627 North Sunrise Service Road 11713 | Bellport | 58% | — | — | — | 1,000 | 1,000 | — |
| West Babylon Public Library | 211 Route 109 11704 | West Babylon | 65% | — | — | — | 2,000 | 2,000 | Urban |
| West Islip Public Library | 3 Higbie Ln 11795 | West Islip | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Westhampton Free Library | 7 Library Ave 11978 | Westhampton Beach | 65% | — | — | — | 2,000 | 2,000 | Urban |
| Wyandanch Public Library | 14 S 20th St 11798 | Wyandanch | 65% | — | — | — | 2,000 | 2,000 | Urban |