County, Montana, , el. Lost Island, Flathead County, Montana, , el. Lake Koocanusa Cedar Island, Lincoln County, Montana, , el. Kins Island, Lincoln County, Montana, , el. Murray Island, Lincoln County, Montana, , el. Whites Island, Lincoln County, Montana, , el. Yarnell Island, Lincoln County, Montana, , el. Other waters west of the divide Deer Island, Flathead County, Montana, , el. in Echo Lake Callows Island, Lincoln County, Montana, , el. in Bull Lake Firemens Island, Flathead County, Montana, , el. in Echo Lake Kelly Island, Missoula County, Montana, , el. in the Clark Fork River Pleasant Island, Flathead County, Montana, , el. in Foy Lake Rock Island, Sanders County, Montana, , el. in Noxon Reservoir Scott Island, Lincoln County, Montana, , el. in the Kootenai River Sourdough Island, Missoula County, Montana, , el. in Salmon Lake (Montana) Steamboat Island, Sanders County, Montana, , el. in the Clark Fork River The Island, Flathead County, Montana, , el. in Whitefish Lake Notes Islands of Montana Islands Montana