Sacajawea Island | Sacajawea Island | Cascade | 3314 | Northwest Great Falls |
Archers Island | Archers Island | Chouteau | 2562 | Loma East |
Baker Bar | Baker Bar | Chouteau | 2615 | O'Hanlon Coulee |
Big Island | Big Island | Sheridan | 1942 | Medicine Lake |
Big Marys Island | Big Marys Island | Yellowstone | 2854 | Big Marys Island |
Bird Island | Bird Island | Lake | 2943 | Bull Island |
Boggs Island | Boggs Island | Chouteau | 2513 | Boggs Island |
Bruces Island | Bruces Island | Sheridan | 1946 | Medicine Lake |
Brule Bar | Brule Bar | Chouteau | 2569 | Loma West |
Buckshot Island | Buckshot Island | Cascade | 3323 | Southwest Great Falls |
Bull Island | Bull Island | Lake | 3012 | Bull Island |
Chelsea Island | Chelsea Island | Roosevelt | 1972 | Nickwall |
Cherry Island | Cherry Island | Yellowstone | 3081 | Billings East |
Council Island | Council Island | Chouteau | 2408 | Council Island |
Cow Island | Cow Island | Blaine | 2293 | Cow Island |
Crittenden Island | Crittenden Island | Richland | 1932 | Savage |
Cromwell Island | Cromwell Island | Lake | 3123 | Elmo |
Crow Coulee Bar | Crow Coulee Bar | Chouteau | 2529 | Stranahan |
Dovers Island | Dovers Island | Yellowstone | 3045 | Billings East |
Dream Island | Dream Island | Lake | 2923 | Wild Horse Island |
Duck Island | Duck Island | Valley | 2044 | Fort Peck |
Elk Island | Elk Island | Richland | 1942 | Savage |
Evans Bend | Evans Bend | Chouteau | 2608 | O'Hanlon Coulee |
Fire Island | Fire Island | Sweet Grass | 4104 | Big Timber |
Fisher Island | Fisher Island | Cascade | 3333 | Southwest Great Falls |
Government Island | Government Island | Yellowstone | 2703 | Bighorn |
Grand Island | Grand Island | Phillips | 2316 | Grand Island |
Gull Island | Gull Island | Sheridan | 1939 | Medicine Lake |
Holmes Council Islands | Holmes Council Islands | Fergus | 2398 | Council Island |
Iron City Islands | Iron City Islands | Fergus | 2388 | Council Island |
Jones Island | Jones Island | Phillips | 2251 | Carter Coulee |
King Island | King Island | Fergus | 2260 | Hessler Ridge |
Little Bull Island | Little Bull Island | Lake | 2982 | Bull Island |
Livingston Island | Livingston Island | Park | 4478 | Livingston |
Lovell Island | Lovell Island | Beaverhead | 5138 | Dillon West |
Lower Two Calf Island | Lower Two Calf Island | Phillips | 2277 | Grand Island |
Marys Island | Marys Island | Richland | 1962 | Savage |
Melita Island | Melita Island | Lake | 2933 | Wild Horse Island |
Nelson Island | Nelson Island | Cascade | 3350 | Nelson Island |
PN Island | PN Island | Fergus | 2408 | P N Ranch |
Pablo Island | Pablo Island | Chouteau | 2467 | Dark Butte |
Park Island | Park Island | Cascade | 3317 | Southwest Great Falls |
Randalls Island | Randalls Island | Yellowstone | 2825 | Bull Mountain |
Roosevelt Island | Roosevelt Island | Chouteau | 2628 | Fort Benton |
Scout Island | Scout Island | Valley | 2044 | Fort Peck |
Seven Sisters Island | Seven Sisters Island | Richland | 1939 | Piche |
Shonkin Bar | Shonkin Bar | Chouteau | 2615 | O'Hanlon Coulee |
Siebeck Island | Siebeck Island | Park | 4505 | Livingston |
Skinners Island | Skinners Island | Roosevelt | 1952 | Sprole |
Smith Island | Smith Island | Beaverhead | 5125 | Dillon West |
Spraklin Island | Spraklin Island | Yellowstone | 2995 | Huntley |
Steamboat Island | Steamboat Island | Cascade | 3251 | Northeast Great Falls |
Sturgeon Island | Sturgeon Island | Blaine | 2352 | Sturgeon Island |
Taylor Island | Taylor Island | Cascade | 3323 | Southwest Great Falls |
Three Islands | Three Islands | Chouteau | 2546 | Stranahan |
Thunderbird Island | Thunderbird Island | Glacier | 4488 | Babb |
Upper Two Calf Island | Upper Two Calf Island | Phillips | 2310 | Grand Island |
Westover Island | Westover Island | Carbon | 3451 | Rapids |
Wild Goose Island | Wild Goose Island | Glacier | 4488 | Rising Sun |
Wild Horse Island | Wild Horse Island | Lake | 3484 | Wild Horse Island |
Wolf Island | Wolf Island | Chouteau | 2447 | Last Chance Bench |
York Island | York Island | Garfield | 2323 | York Island |
Youngs Island | Youngs Island | Sheridan | 1949 | Medicine Lake |
Callows Island | Callows Island | Lincoln | 2402 | Crowell Mountain |
Cedar Island | Cedar Island | Lake | 2926 | Rollins |
Cedar Island | Cedar Island | Lincoln | 2464 | Inch Mountain |
Deer Island | Deer Island | Flathead | 3048 | Bigfork |
Douglas Islands | Douglas Islands | Lake | 2890 | Rollins |
Goose Island | Goose Island | Lake | 2890 | Rollins |
Kelly Island | Kelly Island | Missoula | 3113 | Southwest Missoula |
Mary B Island | Mary B Island | Lake | 2890 | Rollins |
Pleasant Island | Pleasant Island | Flathead | 3343 | Kalispell |
Rock Island | Rock Island | Lake | 2890 | Rollins |
Rock Island | Rock Island | Sanders | 2428 | Noxon Rapids Dam |
Scott Island | Scott Island | Lincoln | 1880 | Troy |
Shelter Island | Shelter Island | Lake | 2933 | Rollins |
Sourdough Island | Sourdough Island | Missoula | 3930 | Salmon Lake |
The Island | The Island | Flathead | 2999 | Beaver Lake |
White Shield Island | White Shield Island | Roosevelt | 1942 | Sprole |
Steamboat Island | Steamboat Island | Sanders | 2405 | Thompson Falls |
Kelly Island | Kelly Island | Flathead | 3602 | Mount Grant |
Fire Island | Fire Island | Flathead | 3602 | Nyack SW |
Clayton Island | Clayton Island | Flathead | 3642 | Pioneer Ridge |
Elk Island | Elk Island | Flathead | 3596 | Pioneer Ridge |
Lost Island | Lost Island | Flathead | 3606 | Pioneer Ridge |
The Island | The Island | Carter | 3199 | Capitol |
Woody Island | Woody Island | Phillips | 2211 | Lake Bowdoin |
Pelican Islands | Pelican Islands | Phillips | 2208 | Lake Bowdoin |
Long Island | Long Island | Phillips | 2208 | Lake Bowdoin |
Kins Island (historical) | Kins Island (historical) | Lincoln | 2464 | Rexford |
Murray Island (historical) | Murray Island (historical) | Lincoln | 2464 | Rexford |
Whites Island (historical) | Whites Island (historical) | Lincoln | 2464 | Rexford |
Chrome Island | Chrome Island | Wibaux | 1982 | Savage SW |
Snake Island | Snake Island | Richland | 1972 | Savage SW |
Idiom Island | Idiom Island | Richland | 1972 | Savage SW |
Gros Ventre Island | Gros Ventre Island | Richland | 1972 | Knife River Mine |
Diamond Island | Diamond Island | Richland | 1906 | Piche |
Elms Island | Elms Island | Richland | 1962 | Savage |
Duck Island | Duck Island | Richland | 1952 | Savage |
Beaver Island | Beaver Island | Richland | 1952 | Savage |
Devils Island | Devils Island | Richland | 1955 | Savage |
Buella Island | Buella Island | Richland | 1903 | Piche |
Breakneck Island | Breakneck Island | Richland | 1946 | Savage |
Monroe Island | Monroe Island | Dawson | 2093 | Hoyt |
Schaffer Island | Schaffer Island | Dawson | 2021 | Stipek |
Joes Island | Joes Island | Dawson | 1995 | Intake |
Far West Island | Far West Island | Big Horn | 2943 | Walker Hill |
Pirogue Island | Pirogue Island | Custer | 2342 | Miles City |
Howery Island | Howery Island | Treasure | 2651 | Eldering Ranch |
White Bear Islands | White Bear Islands | Cascade | 3323 | Southwest Great Falls |
Yarnell Island | Yarnell Island | Lincoln | 2533 | Alexander Mountain |
Firemens Island | Firemens Island | Flathead | 3012 | Hash Mountain |
Yorks Islands | Yorks Islands | Broadwater | 3855 | Holker |
Pine Island | Pine Island | Cascade | 3379 | Hardy |
Invitation Island | Invitation Island | Flathead | 2900 | Somers |