| NUMBER | NAME | COUNTY | LAT | LON |
| PA01 | Ackerman Island | Crawford | 413025N | 0802742W |
| PA08 | Adams Island | Lehigh | 403648N | 0752713W |
| PA01 | Alcorn Island | Venango | 412520N | 0794039W |
| PA08 | Arrow Island | Northampton | 405742N | 0750710W |
| PA08 | Attins Islands | Northampton | 405215N | 0750315W |
| PA05 | Bair Island | York | 395208N | 0762239W |
| PA02 | Baker Island | Forest | 413135N | 0792624W |
| PA01 | Bald Eagle Island | Clarion | 410205N | 0793653W |
| PA04 | Bald Eagle Island | Bradford | 414809N | 0762833W |
| PA08 | Barbadoes Island | Montgomery | 400646N | 0752119W |
| PA06 | Bashore Island | Dauphin | 400751N | 0764429W |
| PA08 | Beach | Lancaster | 394748N | 0761728W |
| PA06 | Beech Island | Dauphin | 400845N | 0764355W |
| PA05 | Bell Island | Juniata | 403438N | 0772412W |
| PA07 | Bellis Island | Luzerne | 410919N | 0760835W |
| PA06 | Berrier Island | Dauphin | 402136N | 0765802W |
| PA08 | Big Chestnut Island | Lancaster | 394755N | 0761757W |
| PA08 | Biles Island | Bucks | 401033N | 0744458W |
| PA01 | Black Fox Island | Clarion | 410218N | 0793753W |
| PA07 | Blood Island | Northumberland | 404123N | 0765202W |
| PA07 | Bowers Island | Northumberland | 404353N | 0765031W |
| PA07 | Bowman Island | Carbon | 404723N | 0753838W |
| PA06 | Bressler Island | Dauphin | 402733N | 0765644W |
| PA07 | Browns Island | Northumberland | 403910N | 0765500W |
| PA05 | Brunner Island | York | 400554N | 0764150W |
| PA03 | Brunot Island | Allegheny | 402747N | 0800236W |
| PA08 | Brushy Island | Lancaster | 394912N | 0761944W |
| PA07 | Burns Island | Wayne | 412224N | 0751613W |
| PA07 | Byers Island | Northumberland | 404932N | 0764941W |
| PA07 | Cairns Island | Pike | 412156N | 0751752W |
| PA06 | Calver Island | Dauphin | 401220N | 0764825W |
| PA08 | Calypso Island | Lehigh | 403645N | 0752330W |
| PA07 | Carls Island | Northumberland | 404154N | 0765132W |
| PA07 | Cherry Island | Northumberland | 404821N | 0765034W |
| PA06 | City 1 | Dauphin | 401518N | 0765323W |
| PA06 | City Island | Dauphin | 401518N | 0765318W |
| PA01 | Clarion Island | Clarion | 410715N | 0794038W |
| PA01 | Clark Island | Crawford | 413948N | 0802920W |
| PA07 | Clarks Island | Columbia | 405703N | 0763012W |
| PA06 | Clemson Island | Dauphin | 402814N | 0765637W |
| PA03 | Cogley Island | Armstrong | 404655N | 0793141W |
| PA05 | Conococheague Island | Franklin | 395549N | 0773442W |
| PA07 | Conservation Island | Pike | 411821N | 0751202W |
| PA01 | Courson Island | Warren | 414055N | 0792246W |
| PA05 | Cox Island | Perry | 402140N | 0770029W |
| PA06 | Crafts Island | Dauphin | 403530N | 0765700W |
| PA04 | Crane Island | Lycoming | 411213N | 0771202W |
| PA08 | Crow | Lancaster | 394843N | 0761906W |
| PA01 | Crulls Island | Warren | 414912N | 0791617W |
| PA01 | Crulls Island | Warren | 414913N | 0791618W |
| PA07 | Culver Island | Luzerne | 411729N | 0755116W |
| PA05 | Cypress Island | Huntingdon | 402932N | 0780128W |
| PA03 | Davis Island | Allegheny | 402924N | 0800417W |
| PA08 | Deepwater Island | Lancaster | 394845N | 0761843W |
| PA07 | Depue Island | Monroe | 410039N | 0750558W |
| PA01 | Dixon Island | Warren | 415044N | 0790123W |
| PA07 | Dodd Island | Wyoming | 413814N | 0761215W |
| PA06 | Duncan Island | Dauphin | 402502N | 0770034W |
| PA08 | Duncan Island | Lancaster | 395141N | 0762150W |
| PA08 | Else Island | Lancaster | 395510N | 0762326W |
| PA08 | Ely Island | Lancaster | 400358N | 0763931W |
| PA07 | Epply Island | Wayne | 412603N | 0751241W |
| PA08 | Eves Island | Lehigh | 403638N | 0752713W |
| PA06 | Fall Island | Dauphin | 401020N | 0764355W |
| PA07 | First Island | Wyoming | 413206N | 0755759W |
| PA07 | Fishers Island | Northumberland | 404727N | 0765056W |
| PA01 | Ford Island | Crawford | 413808N | 0802554W |
| PA08 | Forsythe | Lancaster | 394731N | 0761656W |
| PA08 | Foul Rift Islands | Northampton | 404842N | 0750548W |
| PA07 | French Island | Columbia | 410225N | 0761759W |
| PA08 | Fritz Island | Berks | 401802N | 0755509W |
| PA06 | Fritz Island | Dauphin | 401216N | 0764848W |
| PA01 | Fuellhart Island | Warren | 414152N | 0792121W |
| PA03 | Georgetown Island | Beaver | 403840N | 0802838W |
| PA08 | Getters Island | Northampton | 404147N | 0751213W |
| PA01 | Glenn Islands | Crawford | 413806N | 0802652W |
| PA06 | Goosehorn Island | Dauphin | 400936N | 0764414W |
| PA07 | Gould Island | Luzerne | 410634N | 0760759W |
| PA07 | Grange Island, La | Wyoming | 413023N | 0755406W |
| PA01 | Grass Flat Island | Warren | 415041N | 0791411W |
| PA04 | Great Island | Clinton | 410824N | 0772426W |
| PA08 | Greenwich Island | Philadelphia | 395415N | 0750958W |
| PA06 | Haldeman Island | Dauphin | 402504N | 0770006W |
| PA08 | Haldeman Island | Lancaster | 400537N | 0764047W |
| PA01 | Harmon Island | Warren | 415058N | 0790250W |
| PA01 | Harris Island | Crawford | 413913N | 0802802W |
| PA04 | Harris Island | Bradford | 415714N | 0763043W |
| PA08 | Hartman Island | Lancaster | 395114N | 0762057W |
| PA08 | Hay Island | Delaware | 395306N | 0751603W |
| PA02 | Hemlock Island | Forest | 413541N | 0792425W |
| PA01 | Hemlock Island | Clarion | 411912N | 0791336W |
| PA08 | Hendrick Island | Bucks | 402429N | 0745948W |
| PA08 | Hennery Island | Lancaster | 394752N | 0761743W |
| PA06 | Henry Island | Dauphin | 400951N | 0764352W |
| PA07 | Herrold Island | Northumberland | 404041N | 0765305W |
| PA03 | Herrs Island | Allegheny | 402755N | 0795836W |
| PA06 | Hess Island | Dauphin | 401402N | 0765140W |
| PA06 | Hill Island | Dauphin | 401011N | 0764432W |
| PA06 | Hoak Island | Dauphin | 401216N | 0764925W |
| PA08 | Hog Island | Delaware | 395156N | 0751401W |
| PA01 | Hoge Island | Venango | 412350N | 0794853W |
| PA01 | Holeman Island | Venango | 412838N | 0793110W |
| PA07 | Hoover Island | Northumberland | 404430N | 0765055W |
| PA06 | Independence Island | Dauphin | 401601N | 0765352W |
| PA08 | Indian Rock Island | Lancaster | 395515N | 0762306W |
| PA03 | Jacks Island | Westmoreland | 403705N | 0794235W |
| PA08 | Keifer Island | Northampton | 404634N | 0750907W |
| PA02 | King Island | Forest | 413323N | 0792542W |
| PA04 | King Island | Lycoming | 411355N | 0765221W |
| PA07 | Kinney Island | Northumberland | 404627N | 0765117W |
| PA07 | Kipp Island | Pike | 412251N | 0751536W |
| PA08 | Kline Island | Lehigh | 403600N | 0752715W |
| PA01 | Knight Island | Warren | 414927N | 0790654W |
| PA06 | Kohr Island | Dauphin | 400941N | 0764346W |
| PA08 | Laubach Island | Northampton | 403750N | 0752000W |
| PA01 | Leek Island | Warren | 415026N | 0791325W |
| PA06 | Lingle Island | Dauphin | 402849N | 0765620W |
| PA08 | Little Chestnut Island | Lancaster | 394804N | 0761800W |
| PA07 | Little Hoover Island | Northumberland | 404530N | 0765052W |
| PA07 | Little Island | Luzerne | 410800N | 0760823W |
| PA06 | Little Stony Island | Dauphin | 401103N | 0764526W |
| PA08 | Little Tinicum Island | Delaware | 395112N | 0751716W |
| PA04 | Long Island | Lycoming | 411208N | 0771450W |
| PA08 | Lower Bear Island | Lancaster | 394818N | 0761826W |
| PA05 | Lows Island | York | 400458N | 0764106W |
| PA08 | Lynn Island | Bucks | 403345N | 0751011W |
| PA07 | Maple Island | Luzerne | 410157N | 0754529W |
| PA03 | Marshall Island | Allegheny | 403650N | 0800116W |
| PA05 | Martys Island | Huntingdon | 402312N | 0780324W |
| PA08 | Masons Island | Northampton | 404726N | 0750640W |
| PA04 | McCloskey Island | Clinton | 411811N | 0773736W |
| PA06 | McCormicks Island | Dauphin | 401827N | 0765427W |
| PA08 | McElhaneys Island | Northampton | 404948N | 0750515W |
| PA01 | McGuire Island | Warren | 414052N | 0792411W |
| PA01 | Mead Island | Warren | 414958N | 0791204W |
| PA07 | Menches Island | Montour | 405647N | 0763052W |
| PA01 | Millstone Island | Warren | 414239N | 0792056W |
| PA08 | Money Island | Bucks | 400733N | 0744734W |
| PA07 | Monocanock Island | Luzerne | 411755N | 0755027W |
| PA08 | Moon Island | Bucks | 401139N | 0744555W |
| PA05 | Moonbeam Island | Huntingdon | 402551N | 0780128W |
| PA08 | Mount Johnson Island | Lancaster | 394621N | 0761510W |
| PA03 | Murphy Island | Armstrong | 404122N | 0793808W |
| PA07 | Nebo Island | Pike | 411245N | 0750154W |
| PA03 | Neville Island | Allegheny | 403017N | 0800610W |
| PA03 | Nicholson Island | Armstrong | 404335N | 0793455W |
| PA03 | Ninemile Island | Allegheny | 402926N | 0795112W |
| PA08 | Old Sow Island | Northampton | 403823N | 0751136W |
| PA07 | Packers Island | Northumberland | 405315N | 0764659W |
| PA04 | Paines Island | Bradford | 415656N | 0763041W |
| PA05 | Peavine Island | York | 394836N | 0761907W |
| PA05 | Pee Wee Island | Huntingdon | 402213N | 0780832W |
| PA08 | Pennington Island | Schuylkill | 403040N | 0750406W |
| PA05 | Pennybaker Island | Juniata | 402411N | 0773427W |
| PA03 | Phillis Island | Beaver | 403719N | 0802634W |
| PA07 | Pinchot Island | Pike | 411802N | 0750441W |
| PA08 | Piney Island | Lancaster | 394919N | 0761943W |
| PA08 | Pole Island | Lancaster | 400353N | 0763852W |
| PA06 | Poplar Island | Dauphin | 401047N | 0764418W |
| PA08 | Prahls Island | Bucks | 402644N | 0750409W |
| PA08 | Province Island | Philadelphia | 395307N | 0751346W |
| PA04 | Racetrack Island | Lycoming | 411352N | 0765458W |
| PA08 | Raubs Island | Northampton | 403719N | 0751125W |
| PA06 | Redbuds Island | Dauphin | 401423N | 0765200W |
| PA08 | Reed Island | Lancaster | 395116N | 0762104W |
| PA07 | Reeds Island | Montour | 405626N | 0763430W |
| PA08 | Resolution Island | Bucks | 402757N | 0750405W |
| PA07 | Richard Island | Luzerne | 411430N | 0755531W |
| PA07 | Rocky Island | Luzerne | 410349N | 0761114W |
| PA03 | Ross Island | Armstrong | 404457N | 0793349W |
| PA04 | Round Island | Clinton | 411755N | 0775947W |
| PA07 | Sambo Island | Monroe | 410513N | 0745814W |
| PA06 | Sassafras Island | Dauphin | 401057N | 0764524W |
| PA07 | Schellenbergers Island | Monroe | 405910N | 0750804W |
| PA07 | Scovell Island | Luzerne | 412033N | 0754800W |
| PA07 | Searchs Island | Luzerne | 411010N | 0760733W |
| PA07 | Second Island | Wyoming | 413219N | 0755819W |
| PA08 | Shad Island | Lancaster | 400036N | 0762907W |
| PA07 | Shapnack Island | Pike | 411016N | 0745349W |
| PA01 | Shaw Island | Lawrence | 405656N | 0802240W |
| PA07 | Shawnee Island | Monroe | 410007N | 0750707W |
| PA06 | Sheesly Island | Dauphin | 401433N | 0765208W |
| PA06 | Sheets Island | Dauphin | 401719N | 0765506W |
| PA06 | Shelley Island | Dauphin | 400906N | 0764409W |
| PA08 | Sicily | Lancaster | 394756N | 0761729W |
| PA01 | Siggias Island | Warren | 413900N | 0792430W |
| PA03 | Sixmile Island | Allegheny | 402928N | 0795511W |
| PA08 | Smith Island | Delaware | 395242N | 0751615W |
| PA06 | Spades Wharf Island | Dauphin | 401125N | 0764613W |
| PA01 | Stewards Island | Warren | 414345N | 0791931W |
| PA01 | Stocker Island | Crawford | 413156N | 0803041W |
| PA06 | Stucker Island | Dauphin | 401342N | 0765105W |
| PA06 | Sweigarts Island | Dauphin | 403618N | 0765654W |
| PA03 | Sycamore Island | Allegheny | 402931N | 0795120W |
| PA04 | Tamarack Island | Clinton | 411953N | 0774241W |
| PA07 | Third Island | Wyoming | 413232N | 0755830W |
| PA08 | Thomas Island | Northampton | 405203N | 0750309W |
| PA01 | Thompsons Island | Warren | 414737N | 0791707W |
| PA01 | Thompsons Island | Warren | 414735N | 0791705W |
| PA06 | Threemile Island | Dauphin | 400839N | 0764330W |
| PA01 | Tidioute Island | Warren | 414045N | 0792509W |
| PA07 | Toad Island | Northumberland | 404140N | 0765152W |
| PA08 | Turkey Island | Lancaster | 394828N | 0761811W |
| PA08 | Turkey Island | Northampton | 403836N | 0751624W |
| PA03 | Twelvemile Island | Allegheny | 403158N | 0795024W |
| PA08 | Upper Bear Island | Lancaster | 394835N | 0761845W |
| PA08 | Urey Islands | Lancaster | 395229N | 0762244W |
| PA07 | Vastines Island | Northumberland | 405623N | 0763459W |
| PA01 | Verbeck Island | Warren | 414954N | 0790442W |
| PA08 | Walls Island | Bucks | 402708N | 0750414W |
| PA01 | Wardwell Island | Warren | 415036N | 0790401W |
| PA08 | Weise Island | Lancaster | 395349N | 0762240W |
| PA06 | West Fall Island | Dauphin | 402458N | 0765917W |
| PA01 | Whaley Island | Crawford | 413839N | 0802703W |
| PA08 | Whippoorwill Island | Northampton | 403903N | 0751205W |
| PA07 | Whites Island | Northumberland | 404243N | 0765103W |
| PA01 | Whitherup Island | Venango | 411808N | 0795044W |
| PA08 | Wildcat | Lancaster | 394849N | 0761923W |
| PA07 | Wintermoot Island | Luzerne | 411855N | 0754849W |
| PA07 | Wintermoot Island | Luzerne | 411853N | 0754851W |
| PA07 | Wises Island | Northumberland | 404545N | 0765050W |
| PA08 | Wolf | Lancaster | 394757N | 0761752W |
| PA07 | Woodbridge Island | Susquehanna | 415738N | 0753935W |
| PA07 | Zeigler Island | Northumberland | 403856N | 0765458W |
| PA06 | Zimmerman Island | Dauphin | 401233N | 0764911W |
