, el. Howery Island, Treasure County, Montana, , el. Joes Island, Dawson County, Montana, , el. Livingston Island, Park County, Montana, , el. Marys Island, Richland County, Montana, , el. Monroe Island, Dawson County, Montana, , el. Pirogue Island, Custer County, Montana, , el. Randalls Island, Yellowstone County, Montana, , el. Schaffer Island, Dawson County, Montana, , el. Seven Sisters Island, Richland County, Montana, , el. Siebeck Island, Park County, Montana, , el. Snake Island, Richland County, Montana, , el. Spraklin Island, Yellowstone County, Montana, , el. Westover Island, Carbon County, Montana, , el. Other waters east of the divide Big Island, Sheridan County, Montana, , el. in Medicine Lake Bruces Island, Sheridan County, Montana, , el. in Medicine Lake Far West Island, Big Horn County, Montana, , el. in the Big Horn River Fire Island, Sweet Grass County, Montana, , el. in the Boulder River Gull Island, Sheridan County, Montana, , el. in Medicine Lake Long Island, Phillips County, Montana, , el. in Lake Bowdoin Lovell Island, Beaverhead County, Montana, , el. in the Beaverhead River Pelican Islands, Phillips County, Montana, , el. in Lake Bowdoin Smith Island, Beaverhead County, Montana, , el. in the Beaverhead River The Island, Carter County, Montana, , el. in the Little Missouri River Thunderbird Island, Glacier County, Montana, , el. in Saint Mary Lake Youngs Island, Sheridan County, Montana, , el. in Medicine Lake Wild Goose Island, Glacier County, Montana, , el. in Saint Mary Lake Woody Island, Phillips County, Montana, , el. in Lake Bowdoin York Island, Garfield County, Montana, , el. in Fort Peck Lake Islands west of the Continental Divide Flathead Lake Bird Island, Lake County, Montana, , el. Bull Island, Lake County, Montana, , el. Cedar Island, Lake County, Montana, , el. Cromwell Island, Lake County, Montana, , el. Douglas Islands, Lake County, Montana, , el. Dream Island, Lake County, Montana, , el. Goose Island, Lake County, Montana, , el. Invitation Island, Flathead County, Montana, , el. Melita Island, Lake County, Montana, , el. Little Bull Island, Lake County, Montana, , el. Mary B Island, Lake County, Montana, , el. Rock Island, Lake County, Montana, , el. Shelter Island, Lake County, Montana, , el. Wild Horse Island, Lake County, Montana, , el. Hungry Horse Reservoir Clayton Island, Flathead County, Montana, , el. Elk Island, Flathead County, Montana, , el. Fire Island, Flathead County, Montana, , el. Kelly Island, Flathead