| NUMBER | NAME | COUNTY | LAT | LON |
| ID02 | Argy Island | Owyhee | 432206N | 1163719W |
| ID07 | Banks Island | Payette | 440457N | 1165815W |
| ID09 | Bartoo Island | Bonner | 483245N | 1165234W |
| ID04 | Bay Island | Caribou | 425604N | 1113757W |
| ID02 | Bayha Island | Owyhee | 432210N | 1163728W |
| ID04 | Bear Island | Bonneville | 430335N | 1112452W |
| ID04 | Beaver Island | Power | 424055N | 1125919W |
| ID02 | Becky Island | Owyhee | 432206N | 1163719W |
| ID01 | Big Cottonwood Island | Canyon | 434940N | 1170136W |
| ID08 | Big Foot Island | Idaho | 454905N | 1161822W |
| ID05 | Big Island | Madison | 435140N | 1115242W |
| ID01 | Big Rocky Island | Canyon | 431957N | 1163547W |
| ID01 | Billy Goat Island | Canyon | 434541N | 1170128W |
| ID06 | Bird Island | Blaine | 424003N | 1132205W |
| ID07 | Birding Island | Payette | 440050N | 1164903W |
| ID04 | Bishop Island | Bonneville | 430255N | 1112402W |
| ID01 | Blackburn Island | Canyon | 432639N | 1164352W |
| ID09 | Blackwell Island | Kootenai | 474054N | 1164809W |
| ID01 | Blind Island | Canyon | 432057N | 1163613W |
| ID01 | Bridge Island | Canyon | 435123N | 1170025W |
| ID01 | Brooks Island | Canyon | 432119N | 1163632W |
| ID04 | Buck Island | Caribou | 425518N | 1113329W |
| ID05 | Butler Island | Jefferson | 433929N | 1114427W |
| ID04 | Chain Island | Caribou | 425435N | 1113557W |
| ID04 | Cinder Island | Caribou | 425250N | 1113601W |
| ID01 | Clarks Island | Canyon | 433545N | 1165223W |
| ID04 | Cormorant Island | Caribou | 425830N | 1113927W |
| ID09 | Cottage Island | Bonner | 481328N | 1161920W |
| ID02 | Cottontail Island | Owyhee | 432730N | 1164501W |
| ID07 | Cougar Island | Valley | 445813N | 1160438W |
| ID04 | Crane Island | Caribou | 425519N | 1113749W |
| ID03 | Crow Island | Minidoka | 423204N | 1134519W |
| ID07 | Crow Island | Payette | 435607N | 1165749W |
| ID01 | Current Island | Canyon | 432303N | 1163927W |
| ID03 | Custer Island | Minidoka | 423253N | 1134842W |
| ID09 | Derr Island | Bonner | 480846N | 1161329W |
| ID01 | Dilley Island | Canyon | 432820N | 1164619W |
| ID03 | Dolman Island | Twin Falls | 424606N | 1145423W |
| ID01 | Dredge Island | Canyon | 432617N | 1164336W |
| IDA2 | Eagle Island | Ada | 434059N | 1162240W |
| ID07 | Eagle Island | Adams | 445151N | 1165232W |
| ID09 | Eightmile Island | Bonner | 483449N | 1165031W |
| ID08 | Fir Island | Nez Perce | 463102N | 1163955W |
| ID01 | Fischer Island | Canyon | 432258N | 1163903W |
| ID09 | Fisherman Island | Bonner | 481702N | 1162502W |
| ID01 | Foglers Island | Canyon | 432708N | 1164421W |
| ID09 | Fourmile Island | Bonner | 483142N | 1165125W |
| ID01 | Fruit Island | Canyon | 432831N | 1164636W |
| ID07 | Fuller Island | Gem | 435338N | 1162832W |
| ID07 | Gamble Island | Payette | 435445N | 1165808W |
| ID04 | Goat Island | Power | 424040N | 1125927W |
| ID01 | Goat Island | Canyon | 433859N | 1165741W |
| ID03 | Goat Island | Cassia | 423219N | 1134544W |
| ID01 | Gold Island | Canyon | 435010N | 1170104W |
| ID02 | Gold Isle | Owyhee | 425905N | 1160453W |
| ID01 | Goldeneye Island | Canyon | 432543N | 1164246W |
| ID01 | Goose Egg Island | Canyon | 434557N | 1170131W |
| ID03 | Gridley Island | Gooding | 424536N | 1145236W |
| ID01 | Guffey Island | Canyon | 431800N | 1163210W |
| ID04 | Gull Island | Caribou | 425352N | 1113646W |
| ID01 | Gull Island | Canyon | 433054N | 1163609W |
| ID09 | Harbor Island | Kootenai | 474148N | 1165212W |
| ID02 | Heltons Island | Owyhee | 433731N | 1165602W |
| ID02 | Hermit Island | Owyhee | 432407N | 1164041W |
| ID01 | Heron Island | Canyon | 434946N | 1170110W |
| ID03 | Hog Island | Cassia | 423312N | 1134631W |
| ID08 | Hog Island | Nez Perce | 462651N | 1165223W |
| ID08 | Holbrook Island | Nez Perce | 462518N | 1170058W |
| ID05 | I P Bills Island | Fremont | 442540N | 1112618W |
| ID09 | Kalispell Island | Bonner | 483406N | 1165356W |
| ID05 | Kellers Island | Jefferson | 434604N | 1120153W |
| ID09 | Kelly Island | Bonner | 481136N | 1170216W |
| ID09 | Kid Island | Kootenai | 473849N | 1164742W |
| ID07 | Little Banks Island | Payette | 440510N | 1165821W |
| ID05 | Little Island | Madison | 435101N | 1115320W |
| ID01 | Little Rocky Island | Canyon | 431947N | 1163545W |
| ID07 | Long Island | Washington | 441252N | 1165806W |
| ID04 | Long Island | Caribou | 425402N | 1113616W |
| ID01 | McConnel Island | Canyon | 434523N | 1165534W |
| ID07 | McRea Island | Washington | 441450N | 1170103W |
| ID06 | McTucker Island | Blaine | 430152N | 1123825W |
| ID09 | Memaloose Island | Bonner | 481213N | 1161746W |
| ID03 | Millet Island | Gooding | 424614N | 1145551W |
| ID04 | Nettle Island | Caribou | 430101N | 1114217W |
| ID01 | Noble Island | Canyon | 431834N | 1163436W |
| ID09 | O'Callaghans Island | Boundary | 484150N | 1161830W |
| ID09 | Papoose Island | Bonner | 483319N | 1165327W |
| ID03 | Parees Island | Cassia | 423132N | 1134027W |
| ID09 | Pearl Island | Bonner | 481304N | 1161948W |
| ID04 | Poison Creek Island | Bingham | 430122N | 1114224W |
| ID07 | Pool Island | Payette | 440642N | 1165518W |
| ID09 | Popcorn Island | Kootenai | 473132N | 1163403W |
| ID02 | Popike Island | Owyhee | 432150N | 1163707W |
| ID01 | Rabbit Island | Canyon | 433619N | 1165432W |
| ID01 | Raccoon Island | Canyon | 432442N | 1164133W |
| ID01 | Rail Island | Canyon | 431748N | 1163102W |
| ID09 | Rat Island | Bonner | 481156N | 1170220W |
| ID01 | Richards Island | Canyon | 432239N | 1163841W |
| ID02 | Rippee Island | Owyhee | 432342N | 1164027W |
| ID07 | Rock Island | Washington | 442019N | 1171115W |
| ID08 | Rock Island | Idaho | 460453N | 1152521W |
| ID07 | Ross Island | Gem | 435253N | 1162937W |
| ID02 | Schoffs Island | Elmore | 425610N | 1152556W |
| ID01 | Settlers Island | Canyon | 434947N | 1170148W |
| ID04 | Sheep Island | Caribou | 425429N | 1113656W |
| ID07 | Shellworth Island | Valley | 445735N | 1160337W |
| ID05 | Ship Island | Lemhi | 451001N | 1143731W |
| ID01 | Sign Island | Canyon | 431737N | 1163046W |
| ID07 | Smith Island | Washington | 441149N | 1165802W |
| ID01 | Smiths Island | Canyon | 433534N | 1165205W |
| ID08 | Snells Island | Clearwater | 462952N | 1162303W |
| ID02 | Sparlin Island | Elmore | 425548N | 1152937W |
| ID04 | Split Island | Caribou | 425835N | 1113955W |
| ID04 | Spring Island | Caribou | 425628N | 1113710W |
| ID09 | Strong Island | Bonner | 481035N | 1170535W |
| ID07 | Sugarloaf | Valley | 443647N | 1160502W |
| ID04 | Tule Island | Power | 423734N | 1130847W |
| ID09 | Twin Islands | Bonner | 483953N | 1165155W |
| ID02 | Walters Island | Owyhee | 432017N | 1163607W |
| ID01 | Ware Island | Canyon | 432246N | 1163850W |
| ID09 | Warren Island | Bonner | 481412N | 1161933W |
| ID07 | Wildcat Island | Washington | 441426N | 1165818W |
| ID02 | Wilkins Island | Owyhee | 425613N | 1154316W |
| ID04 | Willow Island | Caribou | 425329N | 1113632W |
| ID02 | Wright Island | Owyhee | 432218N | 1163746W |
