Andalusia Island Andalusia Island Rock Island 548 Montpelier
Angelo Towhead Angelo Towhead Alexander 315 Wyatt
Apple River Island Apple River Island Carroll 587 Green Island
Aux Sable Island Aux Sable Island Grundy 499 Minooka
Bardwell Island Bardwell Island Will 509 Wilmington
Barkis Island Barkis Island Mercer 541 Blanchard Island
Barney Island Barney Island Lake 735 Fox Lake
Barry Island Barry Island Grundy 486 Seneca
Bass Island Bass Island Mercer 545 Blanchard Island
Bay Island Bay Island Pike 453 Rockport
Beagles Island Beagles Island Monroe 390 Renault
Beaver Island Beaver Island Randolph 371 Kaskaskia
Beaver Island Beaver Island Henderson 525 Lomax
Beebe Island Beebe Island Adams 472 Quincy SW
Bell Island Bell Island Mercer 548 Toolesboro
Bells Island Bells Island LaSalle 482 Marseilles
Benton Island Benton Island Henderson 535 Oquawka
Big Dasher Island Big Dasher Island Henderson 528 Kingston
Big Island Big Island Rock Island 564 Milan
Big Muddy Island Big Muddy Island Jackson 348 Wolf Lake
Blackhawk Island Blackhawk Island Winnebago 692 Rockford South
Blanchard Island Blanchard Island Rock Island 545 Blanchard Island
Blue Goose Island Blue Goose Island Hancock 489 Lima
Bogus Island Bogus Island Mercer 541 Blanchard Island
Boney Island Boney Island Winnebago 732 South Beloit
Boss Island Boss Island Johnson 381 Karnak
Briar Island Briar Island Cass 446 Chandlerville
Bridge Island Bridge Island Greene 423 Pearl East
Browns Island Browns Island Pike 466 Hull
Brownsville Island Brownsville Island Adams 479 Canton
Buckhorn Island Buckhorn Island Greene 420 Pearl East
Bull Island Bull Island White 367 New Harmony
Bulls Island Bulls Island LaSalle 459 Ottawa
Burlington Island Burlington Island Henderson 522 Lomax
Burnham Island Burnham Island Alexander 328 Thebes
Buzzard Island Buzzard Island Mercer 545 Toolesboro
Buzzard Island Buzzard Island Hancock 486 Lima
Calico Island Calico Island Monroe 387 Selma
Campbells Island Campbells Island Rock Island 571 Silvis
Carr Island Carr Island Rock Island 600 Milan
Carroll Island Carroll Island Calhoun 443 Annada
Cash Island Cash Island Pike 449 Pleasant Hill West
Cedar Island Cedar Island Lake 738 Fox Lake
Cedar Island Cedar Island Lake 791 Antioch
Chillicothe Island Chillicothe Island Woodford 446 Chillicothe
Chouteau Island Chouteau Island Madison 407 Columbia Bottom
Clark Island Clark Island Putnam 449 Depue
Clark Island Clark Island Kane 653 Aurora North
Clarksville Island Clarksville Island Calhoun 446 Clarksville
Clifford Island Clifford Island Henderson 525 Lomax
Coal Creek Island Coal Creek Island Schuyler 440 Beardstown
Coleman Island Coleman Island Mercer 545 Blanchard Island
Coon Hollow Island Coon Hollow Island Tazewell 446 Glasford
Coon Island Coon Island Calhoun 443 Annada
Coon Islands Coon Islands McHenry 732 Fox Lake
Coopers Island Coopers Island Tazewell 449 Pekin
Cottonwood Island Cottonwood Island Pike 456 Rockport
Crabapple Island Crabapple Island Lake 741 Fox Lake
Craigel Island Craigel Island Henderson 525 Lomax
Crains Island Crains Island Randolph 364 Belgique
Crater Island Crater Island Greene 427 Kampsville
Crawford Towhead Crawford Towhead Union 348 Neelys Landing
Crider Island Crider Island Pike 449 Pleasant Hill West
Dallas Island Dallas Island Henderson 522 Dallas City
Dead Mans Island Dead Mans Island Calhoun 446 Annada
Deadman Island Deadman Island Adams 479 Quincy West
Delbridge Island Delbridge Island LaSalle 459 Starved Rock
Denmark Island Denmark Island Pike 456 Ashburn
Denton Island Denton Island Winnebago 689 Rockford North
Devils Island Devils Island Alexander 338 McClure
Diamond Island Diamond Island Calhoun 423 Hardin
Dillon Island Dillon Island Adams 479 Long Island
Dixie Islands Dixie Islands Carroll 584 Savanna
Dog Island Dog Island Calhoun 443 Pleasant Dale Valley
Dresden Island Dresden Island Grundy 489 Minooka
Drift Island Drift Island Pike 456 Ashburn
Duck Island Duck Island Wabash 387 Keensburg
Duck Island Duck Island Fulton 456 Duck Island
Eagle Island Eagle Island Crawford 433 Merom
Eagle Island Eagle Island Kankakee 604 Momence
Eagle Island Eagle Island Pike 456 Ashburn
Eagles Nest Island Eagles Nest Island Jersey 420 Elsah
Elm Island Elm Island Schuyler 443 Astoria
Enterprise Island Enterprise Island Calhoun 420 Grafton
Fisher Island Fisher Island Greene 423 Pearl East
Flannigan Island Flannigan Island Adams 479 Long Island
Fort Chartres Island Fort Chartres Island Randolph 384 Bloomsdale
Fourmile Island Fourmile Island Pike 469 Hannibal East
Fox Island Fox Island White 367 New Harmony
Gabaret Island Gabaret Island Madison 410 Granite City
Giboney Island Giboney Island Alexander 335 Cape Girardeau
Goose Island Goose Island Alexander 328 Thebes
Gosline Island Gosline Island Pike 449 Louisiana
Grand Island Grand Island Mason 443 Bath
Grape Island Grape Island Will 502 Wilmington
Grass Island Grass Island Lake 735 Fox Lake
Grimes Island Grimes Island Calhoun 446 Annada
Grist Island Grist Island Grundy 492 Seneca
Hackberry Island Hackberry Island Lake 741 Fox Lake
Hackley Island Hackley Island Hancock 489 Warsaw
Hale Island Hale Island Jo Daviess 594 Bellevue
Halfmoon Island Halfmoon Island Jackson 348 Wolf Lake
Halfmoon Islands Halfmoon Islands McHenry 735 Fox Lake
Hanging Dog Island Hanging Dog Island Union 341 Wolf Lake
Hardy Bar Island Hardy Bar Island Hancock 489 Canton
Harper Island Harper Island Henderson 525 Burlington
Hat Island Hat Island Calhoun 430 Winfield
Helmbold Island Helmbold Island Calhoun 423 Nutwood
Hershey Island Hershey Island Rock Island 548 Illinois City
Hickory Island Hickory Island Mason 443 Astoria
Hitt Island Hitt Island LaSalle 466 Ottawa
Hoffman Island Hoffman Island Will 545 Bonfield
Hogback Island Hogback Island Adams 479 Quincy West
Huff Island Huff Island Hancock 486 Lima
Hunt Island Hunt Island Hancock 489 Lima
Hurds Island Hurds Island Kane 646 Aurora North
Hurricane Island Hurricane Island Calhoun 423 Hardin
Indian Island Indian Island LaSalle 512 Serena
Indian Island Indian Island Rock Island 554 Milan
Indian Island Indian Island Whiteside 591 Prophetstown
Iowa Island Iowa Island Calhoun 423 Brussels
Island of Canton Island of Canton Mason 443 Havana
Island 228 Island 228 Jo Daviess 597 Menominee
Island 233 Island 233 Jo Daviess 594 Menominee
Island 235 Island 235 Jo Daviess 591 Menominee
Island 266 Island 266 Carroll 587 Savanna
Island 464 Island 464 Calhoun 449 Clarksville
Island 518 Island 518 Calhoun 427 Brussels
Island 521 Island 521 Calhoun 427 Grafton
Island 525 Island 525 Calhoun 423 Grafton
Jim Young Island Jim Young Island Pike 453 Ashburn
Johnson Island Johnson Island LaSalle 486 Marseilles
Jonas Johnson Island Jonas Johnson Island Mercer 541 Toolesboro
Kamps-Stiens Island Kamps-Stiens Island Hancock 482 Warsaw
Kaskaskia Island Kaskaskia Island Randolph 371 Kaskaskia
Kelly Island Kelly Island Calhoun 440 Hamburg
Kempster Island Kempster Island Whiteside 577 Hillsdale
King Island King Island Tazewell 446 Banner
Knapps Island Knapps Island Mason 440 Astoria
Koops Island Koops Island Kankakee 610 Momence
Kusie Island Kusie Island Hancock 489 Warsaw
La Grange Island La Grange Island Cass 430 Cooperstown
La Grange Island La Grange Island Adams 482 Long Island
Lacours Island Lacours Island Jackson 361 Altenburg
Langham Island Langham Island Kankakee 581 Bourbonnais
Leopold Island Leopold Island LaSalle 456 Starved Rock
Little Dresden Island Little Dresden Island Grundy 489 Minooka
Little Fox Island Little Fox Island White 367 New Harmony
Little Island Little Island Alexander 328 Thebes
Little Rock Island Little Rock Island Whiteside 581 Clinton
Long Island Long Island Adams 469 Long Island
Macoupin Island Macoupin Island Greene 420 Hardin
Mapes Island Mapes Island Mercer 538 Keithsburg
Maple Island Maple Island Kankakee 607 Momence
Martin Towhead Martin Towhead Calhoun 430 Winfield
Matanzas Island Matanzas Island Mason 443 Havana
Mayo Island Mayo Island LaSalle 463 Ottawa
McCoy Island McCoy Island Calhoun 443 Annada
McDonald Island McDonald Island Adams 472 Marblehead
Meissner Island Meissner Island Monroe 394 Valmeyer
Meredosia Island Meredosia Island Cass 433 Cooperstown
Middleton Island Middleton Island Calhoun 449 Pleasant Hill West
Millwoods Island Millwoods Island Whiteside 594 Prophetstown
Mink Island Mink Island Fulton 446 Duck Island
Miserable Island Miserable Island Fulton 446 Duck Island
Moores Island Moores Island LaSalle 469 Ottawa
Moose Island Moose Island Will 522 Channahon
Moro Island Moro Island Randolph 374 Kaskaskia
Mortland Island Mortland Island Calhoun 423 Nutwood
Mosenthein Island Mosenthein Island Madison 413 Granite City
Mound Island Mound Island Carroll 584 Savanna
Mud Island Mud Island Adams 489 Lima
Mud Island Mud Island Hancock 495 Keokuk
Mulberry Island Mulberry Island Will 509 Wilmington
North Aurora Island North Aurora Island Kane 646 Aurora North
Northerly Island Northerly Island Cook 587 Jackson Park
Old River Island Old River Island Wayne 381 Albion NW
Paddy Island Paddy Island Henderson 525 Lomax
Parish Island Parish Island Kankakee 614 Momence
Pecan Island Pecan Island Fayette 463 Vandalia
Peterson Island Peterson Island Henry 574 Hillsdale
Pettifer Island Pettifer Island Rock Island 554 Milan
Piasa Island Piasa Island Jersey 420 Elsah
Picayune Island Picayune Island Alexander 341 McClure
Pine Island Pine Island Williamson 410 Carbondale
Plum Island Plum Island LaSalle 453 Starved Rock
Polly Island Polly Island Adams 489 Lima
Queens Island Queens Island Lake 735 Fox Lake
Quinsippi Island Quinsippi Island Adams 476 Quincy West
Riverside Island Riverside Island Lake 758 Fox Lake
Rock Island Rock Island Alexander 331 Thebes
Rock Island Rock Island Rock Island 584 Davenport East
Rockwood Island Rockwood Island Randolph 358 Rockwood
Sand Bar Island Sand Bar Island Pike 449 Rockport
Sarah Ann Island Sarah Ann Island Calhoun 433 Foley
Savanna Islands Savanna Islands Carroll 584 Savanna
Saverton Island Saverton Island Pike 466 Hannibal East
Schaffer Island Schaffer Island Adams 472 Marblehead
Scherer Island Scherer Island LaSalle 466 Ottawa
Senate Island Senate Island Fulton 446 Duck Island
Shandrew Island Shandrew Island Adams 479 Long Island
Sheehan Island Sheehan Island LaSalle 466 Starved Rock
Shuck Island Shuck Island Pike 472 Hannibal East
Skinner Island Skinner Island Grundy 509 Minooka
Skinney Island Skinney Island Madison 427 Columbia Bottom
Smith Islands Smith Islands Will 554 Bonfield
Snicarte Island Snicarte Island Mason 443 Bath
Spar Island Spar Island Greene 423 Pearl East
Spiers Island Spiers Island Kane 627 Aurora North
Squaw Island Squaw Island Calhoun 423 Grafton
Stolp Island Stolp Island Kane 627 Aurora North
Sturgeon Island Sturgeon Island Fulton 446 Duck Island
Sugar Creek Island Sugar Creek Island Cass 443 Beardstown
Sugar Island Sugar Island Kankakee 614 Kankakee
Sugar Island Sugar Island Grundy 495 Morris
Sumner Island Sumner Island Winnebago 738 Ridott
Sweeney Islands Sweeney Islands Carroll 587 Savanna
Swiftsure Towhead Swiftsure Towhead Union 341 McClure
Sylvan Island Sylvan Island Rock Island 561 Davenport East
Taylor Island Taylor Island Pike 449 Ashburn
Taylor Island Taylor Island Hancock 489 Warsaw
Teal Island Teal Island Adams 476 Quincy West
The Ridge The Ridge Hancock 525 Dallas City
Tip Island Tip Island Greene 423 Hardin
Tisdel Towhead Tisdel Towhead Calhoun 446 Annada
Tower Island Tower Island Pike 472 Hannibal East
Treat Island Treat Island Will 505 Channahon
Tully Island Tully Island Adams 482 Canton
Turkey Island Turkey Island White 364 Solitude
Turkey Island Turkey Island Henderson 522 Lomax
Turkey Island Turkey Island Rock Island 554 Milan
Turtle Island Turtle Island Pike 472 Hannibal East
Twelvemile Island Twelvemile Island Jersey 420 Nutwood
Twin Islands Twin Islands Greene 423 Pearl East
Twomile Island Twomile Island Henderson 525 Lomax
Vails Island Vails Island Kankakee 620 Illiana Heights
Vancill Towhead Vancill Towhead Union 338 Ware
Vandruff Island Vandruff Island Rock Island 390 Milan
Walkers Island Walkers Island Madison 410 Monks Mound
Ward Island Ward Island Adams 472 Quincy West
Weson Island Weson Island Greene 423 Pearl East
White Island White Island Adams 482 Canton
Willow Bar Island Willow Bar Island Pike 449 Rockport
Willow Island Willow Island Calhoun 433 Foley
Willow Island Willow Island Greene 427 Kampsville
Willow Island Willow Island Pike 449 Rockport
Willow Island Willow Island Adams 476 Quincy West
Willow Island Willow Island Kankakee 561 Bourbonnais
Willow Island Willow Island Rock Island 541 Blanchard Island
Willow Island Willow Island Whiteside 581 Clinton
Wing Island Wing Island Greene 427 Pearl East
Winnebago Island Winnebago Island Rock Island 564 Silvis
Woodruffs Island Woodruffs Island Carroll 584 Clinton NW
Johnson Island Johnson Island Calhoun 433 Winfield
Carroll Island (historical) Carroll Island (historical) Monroe 564 Hettick
North Fritz Island North Fritz Island Pike 456 Rockport
McGees Island McGees Island Morgan 423 Meredosia
South Fritz Island South Fritz Island Pike 456 Rockport
Goose Island Goose Island Cook 584 Chicago Loop
Simmons Island Simmons Island Cook 587 Chicago Loop
Montague Island Montague Island Winnebago 692 Rockford North
Clarks Island Clarks Island LaSalle 486 Marseilles
Pearl Island Pearl Island Pike 469 Hannibal East
Turner Island Turner Island Calhoun 436 Foley
Bumgard Island Bumgard Island Alexander 318 Cache
Dogtooth Island Dogtooth Island Alexander 322 Cache
Island Number 1 Island Number 1 Winnebago 696 Rockford South
Island Number 249 Island Number 249 Jo Daviess 594 Springbrook
Island Number 28 Island Number 28 Alexander 318 Cache
Island Number 29 Island Number 29 Alexander 322 Cache
Island Number 317 Island Number 317 Rock Island 551 Andalusia
Island Number 318 Island Number 318 Rock Island 551 Andalusia
Island Number 319 Island Number 319 Rock Island 551 Andalusia
Island Number 322 Island Number 322 Rock Island 548 Montpelier
Island Number 328 Island Number 328 Rock Island 551 Illinois City
Island Number 330 Island Number 330 Rock Island 548 Illinois City
Island Number 419 Island Number 419 Adams 482 Long Island
Missouri Sister Island Missouri Sister Island Alexander 312 Cache
Beaver Island Beaver Island Rock Island 554 Milan
Smiths Island Smiths Island Rock Island 554 Milan
Arsenal Island Arsenal Island St. Clair 404 Cahokia
Wirth Island Wirth Island St. Clair 371 New Athens West
Ducher Island Ducher Island Pike 449 Rockport
Towhead Island Towhead Island Pike 472 Hannibal East
Island Number 256 Island Number 256 Carroll 591 Green Island
Island Number 254 Island Number 254 Jo Daviess 591 Green Island
Seawards Island Seawards Island Jo Daviess 594 Bellevue
Margaret Fuller Island Margaret Fuller Island Ogle 666 Oregon
Five Islands Five Islands Kane 686 Geneva
Boy Scout Island Boy Scout Island Kane 696 Geneva
Heisner Island Heisner Island Livingston 620 Northwest Pontiac
Mill Island Mill Island Henderson 531 Oquawka
Island Number 347 Island Number 347 Mercer 545 Blanchard Island
Bar Island Bar Island Cass 440 Beardstown
Cuba Island Cuba Island Cass 446 Clear Lake
Grape Island Grape Island Cass 440 Beardstown
Barns Island Barns Island Adams 479 Long Island
Chatton Island Chatton Island Adams 479 Long Island
Libby Island Libby Island Adams 476 Long Island
Eagle Island Eagle Island Morgan 427 Meredosia
Wilsons Island Wilsons Island Morgan 430 Meredosia
Big Blue Island Big Blue Island Pike 430 Griggsville
Towhead Island Towhead Island Pike 472 Hannibal East
Commerce Towhead (historical) Commerce Towhead (historical) Alexander 325 Thebes
Price Towhead (historical) Price Towhead (historical) Alexander 318 Cache
Island Number 336 (historical) Island Number 336 (historical) Rock Island 545 Muscatine
Campbells Island Campbells Island Calhoun 436 Foley
Maple Island Maple Island Calhoun 433 Foley
Maxey Island Maxey Island Calhoun 430 Foley
Sixmile Island Sixmile Island Calhoun 420 Brussels
Santa Fe Island Santa Fe Island Carroll 587 Blackhawk
Big Island (historical) Big Island (historical) Scott 430 Bedford
Sand Island Sand Island Mason 443 Clear Lake
Spring Lake Island Spring Lake Island Pike 446 Pleasant Hill West
Conroy Island Conroy Island Will 515 Channahon
Goose Island Goose Island Cook 584 Chicago Loop
Prescotts Island Prescotts Island Cook 600 Berwyn
Wooded Island Wooded Island Cook 584 Jackson Park
Devils Island Devils Island Lake 764 Barrington
Duck Island Duck Island Lake 748 Barrington
Play Island Play Island Lake 751 Barrington
Rest Island Rest Island Lake 751 Barrington
Snake Island Snake Island Lake 748 Barrington
Meredosia Island Meredosia Island Rock Island 577 Camanche
Island Number 259 Island Number 259 Carroll 587 Blackhawk
Kay Island Kay Island Rock Island 561 Silvis
Arab Island Arab Island Rock Island 548 Montpelier
Martin Island Martin Island Rock Island 548 Illinois City
Snipe Island Snipe Island Henderson 535 Keithsburg
Maple Island Maple Island Henderson 522 Lomax
Long Island Lake Long Island Lake Adams 472 Long Island
Murray Island Murray Island DuPage 728 Lombard
Boy Scout Island Boy Scout Island DuPage 732 Lombard
Goose Island Goose Island Adams 476 Quincy SW
Island Number 475 Island Number 475 Calhoun 443 Annada
Island Number 476 Island Number 476 Calhoun 440 Annada
Durfee Bar Durfee Bar Monroe 390 Bloomsdale
Duck Island Duck Island DuPage 653 Aurora North