List of islands of Montana

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There are at least 115 named Islands in Montana. These islands occur in rivers, lakes and reservoirs.

Islands east of the Continental Divide

Missouri River

• Archers Island, Chouteau County, Montana, 47°56′39″N110°26′16″W / 47.94417°N 110.43778°W / 47.94417; -110.43778 (Archers Island) , el. 2,562 feet (781 m) ^[1]
• Baker Bar, Chouteau County, Montana, 47°50′20″N110°37′14″W / 47.83889°N 110.62056°W / 47.83889; -110.62056 (Baker Bar) , el. 2,615 feet (797 m) ^[2]
• Boggs Island, Chouteau County, Montana, 48°00′48″N110°16′26″W / 48.01333°N 110.27389°W / 48.01333; -110.27389 (Boggs Island) , el. 2,513 feet (766 m) ^[3]
• Brule Bar, Chouteau County, Montana, 47°52′44″N110°30′10″W / 47.87889°N 110.50278°W / 47.87889; -110.50278 (Brule Bar) , el. 2,569 feet (783 m) ^[4]
• Buckshot Island, Cascade County, Montana, 47°25′53″N111°21′20″W / 47.43139°N 111.35556°W / 47.43139; -111.35556 (Buckshot Island) , el. 3,323 feet (1,013 m) ^[5]
• Chelsea Island, Roosevelt County, Montana, 48°06′52″N105°20′07″W / 48.11444°N 105.33528°W / 48.11444; -105.33528 (Chelsea Island) , el. 1,972 feet (601 m) ^[6]
• Council Island, Chouteau County, Montana, 47°44′05″N109°36′45″W / 47.73472°N 109.61250°W / 47.73472; -109.61250 (Council Island) , el. 2,408 feet (734 m) ^[7]
• Cow Island, Blaine County, Montana, 47°46′20″N108°56′52″W / 47.77222°N 108.94778°W / 47.77222; -108.94778 (Cow Island) , el. 2,293 feet (699 m) ^[8]
• Crow Coulee Bar, Chouteau County, Montana, 47°59′14″N110°19′47″W / 47.98722°N 110.32972°W / 47.98722; -110.32972 (Crow Coulee Bar) , el. 2,529 feet (771 m) ^[9]
• Duck Island, Valley County, Montana, 48°02′59″N106°24′52″W / 48.04972°N 106.41444°W / 48.04972; -106.41444 (Duck Island) , el. 2,044 feet (623 m) ^[10]
• Evans Bend, Chouteau County, Montana, 47°51′08″N110°34′28″W / 47.85222°N 110.57444°W / 47.85222; -110.57444 , el. 2,608 feet (795 m) ^[11]
• Fisher Island, Cascade County, Montana, 47°24′35″N111°18′25″W / 47.40972°N 111.30694°W / 47.40972; -111.30694 (Fisher Island) , el. 3,333 feet (1,016 m) ^[12]
• Grand Island, Phillips County, Montana, 47°41′51″N108°48′09″W / 47.69750°N 108.80250°W / 47.69750; -108.80250 (Grand Island) , el. 2,316 feet (706 m) ^[13]
• Holmes Council Islands, Fergus County, Montana, 47°44′38″N109°33′15″W / 47.74389°N 109.55417°W / 47.74389; -109.55417 (Holmes Council Islands) , el. 2,398 feet (731 m) ^[14]
• Iron City Islands, Fergus County, Montana, 47°44′44″N109°31′14″W / 47.74556°N 109.52056°W / 47.74556; -109.52056 (Iron City Islands) , el. 2,388 feet (728 m) ^[15]
• Jones Island, Phillips County, Montana, 47°37′25″N108°35′50″W / 47.62361°N 108.59722°W / 47.62361; -108.59722 (Jones Island) , el. 2,251 feet (686 m) ^[16]
• King Island, Fergus County, Montana, 47°37′08″N108°38′51″W / 47.61889°N 108.64750°W / 47.61889; -108.64750 (King Island) , el. 2,260 feet (690 m) ^[17]
• Lower Two Calf Island, Phillips County, Montana, 47°38′45″N108°45′46″W / 47.64583°N 108.76278°W / 47.64583; -108.76278 (Lower Two Calf Island) , el. 2,277 feet (694 m) ^[18]
• Nelson Island, Cascade County, Montana, 47°20′38″N111°35′13″W / 47.34389°N 111.58694°W / 47.34389; -111.58694 (Nelson Island) , el. 3,350 feet (1,020 m) ^[19]
• PN Island, Fergus County, Montana, 47°44′12″N109°38′17″W / 47.73667°N 109.63806°W / 47.73667; -109.63806 (PN Island) , el. 2,408 feet (734 m) ^[20]
• Park Island, Cascade County, Montana, 47°29′01″N111°18′53″W / 47.48361°N 111.31472°W / 47.48361; -111.31472 (Park Island) , el. 3,317 feet (1,011 m) ^[21]
• Pine Island, Cascade County, Montana, 47°10′52″N111°48′33″W / 47.18111°N 111.80917°W / 47.18111; -111.80917 (Pine Island) , el. 3,379 feet (1,030 m) ^[22]
• Pablo Island, Chouteau County, Montana, 47°45′43″N109°54′52″W / 47.76194°N 109.91444°W / 47.76194; -109.91444 (Pablo Island) , el. 2,467 feet (752 m) ^[23]
• Roosevelt Island, Chouteau County, Montana, 47°48′16″N110°41′23″W / 47.80444°N 110.68972°W / 47.80444; -110.68972 (Roosevelt Island) , el. 2,628 feet (801 m) ^[24]
• Sacajawea Island, Cascade County, Montana, 47°31′07″N111°18′18″W / 47.51861°N 111.30500°W / 47.51861; -111.30500 (Sacajawea Island) , el. 3,314 feet (1,010 m) ^[25]
• Scout Island, Valley County, Montana, 48°02′02″N106°25′30″W / 48.03389°N 106.42500°W / 48.03389; -106.42500 (Scout Island) , el. 2,057 feet (627 m) ^[26]
• Shonkin Bar, Chouteau County, Montana, 47°50′42″N110°36′04″W / 47.84500°N 110.60111°W / 47.84500; -110.60111 (Shonkin Bar) , el. 2,615 feet (797 m) ^[27]
• Skinners Island, Roosevelt County, Montana, 48°05′32″N105°06′56″W / 48.09222°N 105.11556°W / 48.09222; -105.11556 (Skinners Island) , el. 1,952 feet (595 m) ^[28]
• Steamboat Island, Cascade County, Montana, 47°31′47″N111°14′27″W / 47.52972°N 111.24083°W / 47.52972; -111.24083 (Steamboat Island) , el. 3,251 feet (991 m) ^[29]
• Sturgeon Island, Blaine County, Montana, 47°47′56″N109°05′02″W / 47.79889°N 109.08389°W / 47.79889; -109.08389 (Sturgeon Island) , el. 2,352 feet (717 m) ^[30]
• Taylor Island, Cascade County, Montana, 47°28′07″N111°19′01″W / 47.46861°N 111.31694°W / 47.46861; -111.31694 (Taylor Island) , el. 3,323 feet (1,013 m) ^[31]
• Three Islands, Chouteau County, Montana, 47°58′12″N110°22′09″W / 47.97000°N 110.36917°W / 47.97000; -110.36917 (Three Islands) , el. 2,546 feet (776 m) ^[32]
• Upper Two Calf Island, Phillips County, Montana, 47°39′23″N108°46′58″W / 47.65639°N 108.78278°W / 47.65639; -108.78278 (Upper Two Calf Island) , el. 2,310 feet (700 m) ^[33]
• White Shield Island, Roosevelt County, Montana, 48°05′03″N105°03′39″W / 48.08417°N 105.06083°W / 48.08417; -105.06083 (White Shield Island) , el. 1,942 feet (592 m) ^[34]
• Wolf Island, Chouteau County, Montana, 47°44′23″N109°52′40″W / 47.73972°N 109.87778°W / 47.73972; -109.87778 (Wolf Island) , el. 2,447 feet (746 m) ^[35]
• Yorks Islands, Broadwater County, Montana, 46°15′45″N111°29′28″W / 46.26250°N 111.49111°W / 46.26250; -111.49111 (Yorks Islands) , el. 3,855 feet (1,175 m) ^[36]

Yellowstone River

• Beaver Island, Richland County, Montana, 47°26′05″N104°20′12″W / 47.43472°N 104.33667°W / 47.43472; -104.33667 (Beaver Island) , el. 1,965 feet (599 m) ^[37]
• Big Marys Island, Yellowstone County, Montana, 46°00′23″N107°55′47″W / 46.00639°N 107.92972°W / 46.00639; -107.92972 (Big Marys Island) , el. 2,854 feet (870 m) ^[38]
• Breakneck Island, Richland County, Montana, 47°26′47″N104°18′41″W / 47.44639°N 104.31139°W / 47.44639; -104.31139 (Breakneck Island) , el. 1,946 feet (593 m) ^[39]
• Buella Island, Richland County, Montana, 47°36′23″N104°11′42″W / 47.60639°N 104.19500°W / 47.60639; -104.19500 (Buella Island) , el. 1,913 feet (583 m) ^[40]
• Cherry Island, Yellowstone County, Montana, 45°49′00″N108°26′53″W / 45.81667°N 108.44806°W / 45.81667; -108.44806 (Cherry Island) , el. 3,081 feet (939 m) ^[41]
• Chrome Island, Wibaux County, Montana, 47°20′43″N104°24′40″W / 47.34528°N 104.41111°W / 47.34528; -104.41111 (Chrome Island) , el. 1,985 feet (605 m) ^[42]
• Crittenden Island, Richland County, Montana, 47°29′15″N104°17′02″W / 47.48750°N 104.28389°W / 47.48750; -104.28389 (Crittenden Island) , el. 1,932 feet (589 m) ^[43]
• Devils Island, Richland County, Montana, 47°26′28″N104°20′02″W / 47.44111°N 104.33389°W / 47.44111; -104.33389 (Devils Island) , el. 1,946 feet (593 m) ^[44]
• Diamond Island, Richland County, Montana, 47°35′37″N104°12′57″W / 47.59361°N 104.21583°W / 47.59361; -104.21583 (Diamond Island) , el. 1,909 feet (582 m) ^[45]
• Dovers Island, Yellowstone County, Montana, 45°51′24″N108°23′31″W / 45.85667°N 108.39194°W / 45.85667; -108.39194 (Dovers Island) , el. 3,045 feet (928 m) ^[46]
• Duck Island, Richland County, Montana, 47°24′56″N104°20′35″W / 47.41556°N 104.34306°W / 47.41556; -104.34306 (Duck Island) , el. 1,968 feet (600 m) ^[47]
• Elk Island, Richland County, Montana, 47°28′13″N104°18′22″W / 47.47028°N 104.30611°W / 47.47028; -104.30611 (Elk Island) , el. 1,942 feet (592 m) ^[48]
• Elms Island, Richland County, Montana, 47°24′13″N104°21′07″W / 47.40361°N 104.35194°W / 47.40361; -104.35194 (Elms Island) , el. 1,952 feet (595 m) ^[49]
• Government Island, Yellowstone County, Montana, 46°09′25″N107°28′41″W / 46.15694°N 107.47806°W / 46.15694; -107.47806 (Government Island) , el. 2,703 feet (824 m) ^[50]
• Gros Ventre Island, Richland County, Montana, 47°22′38″N104°23′43″W / 47.37722°N 104.39528°W / 47.37722; -104.39528 (Gros Ventre Island) , el. 1,955 feet (596 m) ^[51]
• Idiom Island, Richland County, Montana, 47°21′47″N104°23′59″W / 47.36306°N 104.39972°W / 47.36306; -104.39972 (Idiom Island) , el. 1,972 feet (601 m) ^[52]
• Howery Island, Treasure County, Montana, 46°14′50″N107°22′02″W / 46.24722°N 107.36722°W / 46.24722; -107.36722 (Howery Island) , el. 2,664 feet (812 m) ^[53]
• Joes Island, Dawson County, Montana, 47°16′08″N104°31′54″W / 47.26889°N 104.53167°W / 47.26889; -104.53167 (Joes Island) , el. 2,018 feet (615 m) ^[54]
• Livingston Island, Park County, Montana, 45°39′38″N110°32′43″W / 45.66056°N 110.54528°W / 45.66056; -110.54528 (Livingston Island) , el. 4,478 feet (1,365 m) ^[55]
• Marys Island, Richland County, Montana, 47°23′09″N104°22′10″W / 47.38583°N 104.36944°W / 47.38583; -104.36944 (Marys Island) , el. 1,975 feet (602 m) ^[56]
• Monroe Island, Dawson County, Montana, 46°58′20″N104°47′22″W / 46.97222°N 104.78944°W / 46.97222; -104.78944 (Monroe Island) , el. 2,083 feet (635 m) ^[57]
• Pirogue Island, Custer County, Montana, 46°26′26″N105°49′02″W / 46.44056°N 105.81722°W / 46.44056; -105.81722 (Pirogue Island) , el. 2,349 feet (716 m) ^[58]
• Randalls Island, Yellowstone County, Montana, 46°02′00″N107°51′09″W / 46.03333°N 107.85250°W / 46.03333; -107.85250 (Randalls Island) , el. 2,825 feet (861 m) ^[59]
• Schaffer Island, Dawson County, Montana, 47°13′55″N104°37′47″W / 47.23194°N 104.62972°W / 47.23194; -104.62972 (Schaffer Island) , el. 2,011 feet (613 m) ^[60]
• Seven Sisters Island, Richland County, Montana, 47°33′42″N104°14′40″W / 47.56167°N 104.24444°W / 47.56167; -104.24444 (Seven Sisters Island) , el. 1,903 feet (580 m) ^[61]
• Siebeck Island, Park County, Montana, 45°38′28″N110°33′51″W / 45.64111°N 110.56417°W / 45.64111; -110.56417 (Siebeck Island) , el. 4,505 feet (1,373 m) ^[62]
• Snake Island, Richland County, Montana, 47°21′10″N104°24′42″W / 47.35278°N 104.41167°W / 47.35278; -104.41167 (Snake Island) , el. 1,985 feet (605 m) ^[63]
• Spraklin Island, Yellowstone County, Montana, 45°55′13″N108°18′30″W / 45.92028°N 108.30833°W / 45.92028; -108.30833 (Spraklin Island) , el. 2,995 feet (913 m) ^[64]
• Westover Island, Carbon County, Montana, 45°35′05″N109°04′40″W / 45.58472°N 109.07778°W / 45.58472; -109.07778 (Westover Island) , el. 3,451 feet (1,052 m) ^[65]

Other waters east of the divide

• Big Island, Sheridan County, Montana, 48°26′50″N104°23′00″W / 48.44722°N 104.38333°W / 48.44722; -104.38333 (Big Island) , el. 1,942 feet (592 m) ^[66] in Medicine Lake
• Bruces Island, Sheridan County, Montana, 48°28′26″N104°27′05″W / 48.47389°N 104.45139°W / 48.47389; -104.45139 (Bruces Island) , el. 1,946 feet (593 m) ^[67] in Medicine Lake
• Far West Island, Big Horn County, Montana, 45°38′04″N107°40′02″W / 45.63444°N 107.66722°W / 45.63444; -107.66722 (Far West Island) , el. 2,943 feet (897 m) ^[68] in the Big Horn River
• Fire Island, Sweet Grass County, Montana, 45°49′16″N109°56′58″W / 45.82111°N 109.94944°W / 45.82111; -109.94944 (Fire Island) , el. 4,104 feet (1,251 m) ^[69] in the Boulder River
• Gull Island, Sheridan County, Montana, 48°27′31″N104°23′31″W / 48.45861°N 104.39194°W / 48.45861; -104.39194 (Gull Island) , el. 1,936 feet (590 m) ^[70] in Medicine Lake
• Long Island, Phillips County, Montana, 48°25′23″N107°41′46″W / 48.42306°N 107.69611°W / 48.42306; -107.69611 (Long Island) , el. 2,211 feet (674 m) ^[71] in Lake Bowdoin
• Lovell Island, Beaverhead County, Montana, 45°12′02″N112°40′52″W / 45.20056°N 112.68111°W / 45.20056; -112.68111 (Lovell Island) , el. 5,138 feet (1,566 m) ^[72] in the Beaverhead River
• Pelican Islands, Phillips County, Montana, 48°24′42″N107°40′38″W / 48.41167°N 107.67722°W / 48.41167; -107.67722 (Pelican Islands) , el. 2,211 feet (674 m) ^[73] in Lake Bowdoin
• Smith Island, Beaverhead County, Montana, 45°12′20″N112°40′41″W / 45.20556°N 112.67806°W / 45.20556; -112.67806 (Smith Island) , el. 5,125 feet (1,562 m) ^[74] in the Beaverhead River
• The Island, Carter County, Montana, 45°23′10″N104°04′06″W / 45.38611°N 104.06833°W / 45.38611; -104.06833 (The Island) , el. 3,199 feet (975 m) ^[75] in the Little Missouri River
• Thunderbird Island, Glacier County, Montana, 48°47′23″N113°24′51″W / 48.78972°N 113.41417°W / 48.78972; -113.41417 (Thunderbird Island) , el. 4,488 feet (1,368 m) ^[76] in Saint Mary Lake
• Youngs Island, Sheridan County, Montana, 48°27′49″N104°26′47″W / 48.46361°N 104.44639°W / 48.46361; -104.44639 (Youngs Island) , el. 1,949 feet (594 m) ^[77] in Medicine Lake
• Wild Goose Island, Glacier County, Montana, 48°41′20″N113°32′23″W / 48.68889°N 113.53972°W / 48.68889; -113.53972 (Wild Goose Island) , el. 4,488 feet (1,368 m) ^[78] in Saint Mary Lake
• Woody Island, Phillips County, Montana, 48°24′18″N107°40′57″W / 48.40500°N 107.68250°W / 48.40500; -107.68250 (Woody Island) , el. 2,215 feet (675 m) ^[79] in Lake Bowdoin
• York Island, Garfield County, Montana, 47°55′48″N106°27′58″W / 47.93000°N 106.46611°W / 47.93000; -106.46611 (York Island) , el. 2,333 feet (711 m) ^[80] in Fort Peck Lake

Islands west of the Continental Divide

Flathead Lake

• Bird Island, Lake County, Montana, 47°47′59″N114°04′45″W / 47.79972°N 114.07917°W / 47.79972; -114.07917 (Bird Island) , el. 2,943 feet (897 m) ^[81]
• Bull Island, Lake County, Montana, 47°46′14″N114°06′58″W / 47.77056°N 114.11611°W / 47.77056; -114.11611 (Bull Island) , el. 2,999 feet (914 m) ^[82]
• Cedar Island, Lake County, Montana, 47°53′45″N114°09′58″W / 47.89583°N 114.16611°W / 47.89583; -114.16611 (Cedar Island) , el. 2,940 feet (900 m) ^[83]
• Cromwell Island, Lake County, Montana, 47°51′01″N114°15′49″W / 47.85028°N 114.26361°W / 47.85028; -114.26361 (Cromwell Island) , el. 3,136 feet (956 m) ^[84]
• Douglas Islands, Lake County, Montana, 47°56′01″N114°10′06″W / 47.93361°N 114.16833°W / 47.93361; -114.16833 (Douglas Islands) , el. 2,897 feet (883 m) ^[85]
• Dream Island, Lake County, Montana, 47°48′43″N114°13′50″W / 47.81194°N 114.23056°W / 47.81194; -114.23056 (Dream Island) , el. 2,930 feet (890 m) ^[86]
• Goose Island, Lake County, Montana, 47°56′55″N114°10′40″W / 47.94861°N 114.17778°W / 47.94861; -114.17778 (Goose Island) , el. 2,897 feet (883 m) ^[87]
• Invitation Island, Flathead County, Montana, 48°04′15″N114°13′01″W / 48.07083°N 114.21694°W / 48.07083; -114.21694 (Invitation Island) , el. 2,897 feet (883 m) ^[88]
• Melita Island, Lake County, Montana, 47°49′17″N114°14′08″W / 47.82139°N 114.23556°W / 47.82139; -114.23556 (Melita Island) , el. 2,936 feet (895 m) ^[89]
• Little Bull Island, Lake County, Montana, 47°46′05″N114°07′30″W / 47.76806°N 114.12500°W / 47.76806; -114.12500 (Little Bull Island) , el. 2,963 feet (903 m) ^[90]
• Mary B Island, Lake County, Montana, 47°55′31″N114°10′08″W / 47.92528°N 114.16889°W / 47.92528; -114.16889 (Mary B Island) , el. 2,897 feet (883 m) ^[91]
• Rock Island, Lake County, Montana, 47°53′41″N114°10′17″W / 47.89472°N 114.17139°W / 47.89472; -114.17139 (Rock Island) , el. 2,910 feet (890 m) ^[92]
• Shelter Island, Lake County, Montana, 47°53′44″N114°10′27″W / 47.89556°N 114.17417°W / 47.89556; -114.17417 (Shelter Island) , el. 2,943 feet (897 m) ^[93]
• Wild Horse Island, Lake County, Montana, 47°50′43″N114°12′54″W / 47.84528°N 114.21500°W / 47.84528; -114.21500 (Wild Horse Island) , el. 3,494 feet (1,065 m) ^[94]

Hungry Horse Reservoir

• Clayton Island, Flathead County, Montana, 48°14′23″N113°50′10″W / 48.23972°N 113.83611°W / 48.23972; -113.83611 (Clayton Island) , el. 3,642 feet (1,110 m) ^[95]
• Elk Island, Flathead County, Montana, 48°14′25″N113°47′53″W / 48.24028°N 113.79806°W / 48.24028; -113.79806 (Elk Island) , el. 3,596 feet (1,096 m) ^[96]
• Fire Island, Flathead County, Montana, 48°17′43″N113°53′49″W / 48.29528°N 113.89694°W / 48.29528; -113.89694 (Fire Island) , el. 3,602 feet (1,098 m) ^[97]
• Kelly Island, Flathead County, Montana, 48°15′55″N113°49′18″W / 48.26528°N 113.82167°W / 48.26528; -113.82167 (Kelly Island) , el. 3,602 feet (1,098 m) ^[98]
• Lost Island, Flathead County, Montana, 48°12′08″N113°45′58″W / 48.20222°N 113.76611°W / 48.20222; -113.76611 (Lost Island) , el. 3,606 feet (1,099 m) ^[99]

Lake Koocanusa

• Cedar Island, Lincoln County, Montana, 48°38′07″N115°17′48″W / 48.63528°N 115.29667°W / 48.63528; -115.29667 (Cedar Island) , el. 2,464 feet (751 m) ^[100]
• Kins Island, Lincoln County, Montana, 48°53′42″N115°11′44″W / 48.89500°N 115.19556°W / 48.89500; -115.19556 (Kins Island) , el. 2,464 feet (751 m) ^[101]
• Murray Island, Lincoln County, Montana, 48°54′11″N115°11′35″W / 48.90306°N 115.19306°W / 48.90306; -115.19306 (Murray Island) , el. 2,464 feet (751 m) ^[102]
• Whites Island, Lincoln County, Montana, 48°56′47″N115°10′02″W / 48.94639°N 115.16722°W / 48.94639; -115.16722 (Whites Island) , el. 2,464 feet (751 m) ^[103]
• Yarnell Island, Lincoln County, Montana, 48°27′30″N115°17′46″W / 48.45833°N 115.29611°W / 48.45833; -115.29611 (Yarnell Island) , el. 2,533 feet (772 m) ^[104]

Other waters west of the divide

• Deer Island, Flathead County, Montana, 48°07′04″N114°01′59″W / 48.11778°N 114.03306°W / 48.11778; -114.03306 (Deer Island) , el. 3,048 feet (929 m) ^[105] in Echo Lake
• Callows Island, Lincoln County, Montana, 48°15′18″N115°51′09″W / 48.25500°N 115.85250°W / 48.25500; -115.85250 (Callows Island) , el. 2,402 feet (732 m) ^[106] in Bull Lake
• Firemens Island, Flathead County, Montana, 48°08′05″N114°03′23″W / 48.13472°N 114.05639°W / 48.13472; -114.05639 (Firemens Island) , el. 3,012 feet (918 m) ^[107] in Echo Lake
• Kelly Island, Missoula County, Montana, 46°51′50″N114°06′27″W / 46.86389°N 114.10750°W / 46.86389; -114.10750 (Kelly Island) , el. 3,113 feet (949 m) ^[108] in the Clark Fork River
• Pleasant Island, Flathead County, Montana, 48°09′59″N114°21′22″W / 48.16639°N 114.35611°W / 48.16639; -114.35611 (Pleasant Island) , el. 3,343 feet (1,019 m) ^[109] in Foy Lake
• Rock Island, Sanders County, Montana, 47°56′26″N115°42′44″W / 47.94056°N 115.71222°W / 47.94056; -115.71222 (Rock Island) , el. 2,336 feet (712 m) ^[110] in Noxon Reservoir
• Scott Island, Lincoln County, Montana, 48°28′48″N115°53′51″W / 48.48000°N 115.89750°W / 48.48000; -115.89750 (Scott Island) , el. 1,857 feet (566 m) ^[111] in the Kootenai River
• Sourdough Island, Missoula County, Montana, 47°06′15″N113°24′39″W / 47.10417°N 113.41083°W / 47.10417; -113.41083 (Sourdough Island) , el. 3,930 feet (1,200 m) ^[112] in Salmon Lake (Montana)
• Steamboat Island, Sanders County, Montana, 47°35′02″N115°19′40″W / 47.58389°N 115.32778°W / 47.58389; -115.32778 (Steamboat Island) , el. 2,405 feet (733 m) ^[113] in the Clark Fork River
• The Island, Flathead County, Montana, 48°26′10″N114°22′50″W / 48.43611°N 114.38056°W / 48.43611; -114.38056 (The Island) , el. 2,999 feet (914 m) ^[114] in Whitefish Lake

Notes

1. "Archers Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
2. "Baker Bar". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
3. "Boggs Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
4. "Brule Bar". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
5. "Buckshot Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
6. "Chelsea Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
7. "Council Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
8. "Cow Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
9. "Crow Coulee Bar". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
10. "Duck Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
11. "Evans Bend". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
12. "Fisher Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
13. "Grand Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
14. "Holmes Council Islands". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
15. "Iron City Islands". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
16. "Jones Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
17. "King Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
18. "Lower Two Calf Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
19. "Nelson Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
20. "PN Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
21. "Park Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
22. "Pine Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
23. "Pablo Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
24. "Roosevelt Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
25. "Sacajawea Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
26. "Scout Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
27. "Shonkin Bar". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
28. "Skinners Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
29. "Steamboat Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
30. "Sturgeon Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
31. "Taylor Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
32. "Three Islands". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
33. "Upper Two Calf Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
34. "White Shield Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
35. "Wolf Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
36. "Yorks Islands". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
37. "Beaver Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
38. "Big Marys Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
39. "Breakneck Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
40. "Buella Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
41. "Cherry Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
42. "Chrome Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
43. "Crittenden Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
44. "Devils Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
45. "Diamond Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
46. "Dovers Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
47. "Duck Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
48. "Elk Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
49. "Elms Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
50. "Government Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
51. "Gros Ventre Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
52. "Idiom Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
53. "Howery Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
54. "Joes Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
55. "Livingston Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
56. "Marys Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
57. "Monroe Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
58. "Pirogue Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
59. "Randalls Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
60. "Schaffer Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
61. "Seven Sisters Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
62. "Siebeck Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
63. "Snake Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
64. "Spraklin Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
65. "Westover Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
66. "Big Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
67. "Bruces Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
68. "Far West Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
69. "Fire Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
70. "Gull Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
71. "Long Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
72. "Lovell Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
73. "Pelican Islands". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
74. "Smith Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
75. "The Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
76. "Thunderbird Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
77. "Youngs Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
78. "Wild Goose Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
79. "Woody Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
80. "York Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
81. "Bird Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
82. "Bull Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
83. "Cedar Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
84. "Cromwell Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
85. "Douglas Islands". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
86. "Dream Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
87. "Goose Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
88. "Invitation Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
89. "Melita Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
90. "Little Bull Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
91. "Mary B Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
92. "Rock Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
93. "Shelter Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
94. "Wild Horse Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
95. "Clayton Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
96. "Elk Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
97. "Fire Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
98. "Kelly Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
99. "Lost Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
100. "Cedar Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
101. "Kins Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
102. "Murray Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
103. "Whites Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
104. "Yarnell Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
105. "Deer Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
106. "Callows Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
107. "Firemens Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
108. "Kelly Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
109. "Pleasant Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
110. "Rock Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
111. "Scott Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
112. "Sourdough Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
113. "Steamboat Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.
114. "The Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior.