Topo Map of Islands in Jefferson County, New York
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Islands in Jefferson County New York
| Place | USGS Topo Map |
|---|---|
| Arcadia Island | Rockport |
| Association Island | Henderson Bay |
| Baileys Island | Alexandria Bay |
| Bass Island | Henderson Bay |
| Basswood Island | Thousand Island Park |
| Beebee’s Island | Watertown |
| Belle Island | Alexandria Bay |
| Big Gull Island | Thousand Island Park |
| Big Island | Muskellunge Lake |
| Birch Island | Redwood |
| Blanket Island | Saint Lawrence |
| Bluff Island | Thousand Island Park |
| Boscobel Island | Thousand Island Park |
| Calf Island | Point Peninsula |
| Calumet Island | Clayton |
| Canary Island | Alexandria Bay |
| Caprice Island | Redwood |
| Carleton Island | Cape Vincent North |
| Casino Island | Alexandria Bay |
| Castle Francis Island | Thousand Island Park |
| Cedar Island | Thousand Island Park |
| Cherry Island | Chaumont |
| Cherry Island | Alexandria Bay |
| Chub Island | Gananoque |
| Clouds Rest Island | Chippewa Bay |
| Club Island | Saint Lawrence |
| Comfort Island | Alexandria Bay |
| Cork Island | Redwood |
| Crab Island | Chaumont |
| Crow Island | Thousand Island Park |
| Croyle Island | Chaumont |
| Cuba Island | Alexandria Bay |
| Deer Island | Alexandria Bay |
| Delano Island | Rutland Center |
| Devils Oven Island | Alexandria Bay |
| Diamond Island | Chippewa Bay |
| Diamond Island | Watertown |
| Douglas Island | Alexandria Bay |
| Eagle Wing Group | Thousand Island Park |
| East Ironsides | Chippewa Bay |
| East Mary Island | Alexandria Bay |
| Elephant Back | Alexandria Bay |
| Excelsior Group | Alexandria Bay |
| Fairyland Island | Alexandria Bay |
| Fir Island | Chaumont |
| Fire Rock Island | Chippewa Bay |
| Flat Huckleberry Island | Gananoque |
| Flatiron Island | Thousand Island Park |
| Florence Island | Alexandria Bay |
| Fox Island | Cape Vincent South |
| Frederick Island | Thousand Island Park |
| Friendly Island | Alexandria Bay |
| Galloo Islands | Galloo Island |
| Governors Island | Clayton |
| Grenadier Island | Cape Vincent South |
| Grenell Island | Thousand Island Park |
| Grindstone Island | Thousand Island Park |
| Gull Island | Thousand Island Park |
| Gull Island | Henderson Bay |
| Gull Rock | Saint Lawrence |
| Gull Rock Island (historical) | Saint Lawrence |
| Gypsy Island | Alexandria Bay |
| Harbor Island | Alexandria Bay |
| Heart Island | Alexandria Bay |
| Holiday Island | Alexandria Bay |
| Holiday Island | Alexandria Bay |
| Horse Island | Henderson Bay |
| Hoveys Island | Henderson Bay |
| Hub Island | Alexandria Bay |
| Hub Island | Thousand Island Park |
| Huguenot Island | Alexandria Bay |
| Huntington Island | Rutland Center |
| Idlewild Island | Alexandria Bay |
| Imperial Isle | Alexandria Bay |
| Ina Island | Alexandria Bay |
| Ironsides Island | Chippewa Bay |
| Island Number Nine | Redwood |
| Isle of Pines | Thousand Island Park |
| Jolly Island | Gananoque |
| Kipp Island | Alexandria Bay |
| Lasalle Island | Thousand Island Park |
| Lees Island | Thousand Island Park |
| Linda Island | Saint Lawrence |
| Little Basswood Island | Thousand Island Park |
| Little Birch Island | Redwood |
| Little Delight Island | Chippewa Bay |
| Little Galloo Island | Galloo Island |
| Little Grenadier Island | Cape Vincent South |
| Little Gull Island | Thousand Island Park |
| Little Ironsides Islands | Chippewa Bay |
| Little Island | Muskellunge Lake |
| Little Lehigh Island | Rockport |
| Little Round Island | Thousand Island Park |
| Little Watch Island | Alexandria Bay |
| Lone Pine Island | Redwood |
| Long Rock Island | Thousand Island Park |
| Longue Vue Island | Alexandria Bay |
| Lotus Island | Alexandria Bay |
| Malomar Island | Alexandria Bay |
| Mandolin Island | Thousand Island Park |
| Manhattan Group | Alexandria Bay |
| Manhattan Island | Alexandria Bay |
| Maple Island | Alexandria Bay |
| Maple Island | Thousand Island Park |
| Marsh Island | Alexandria Bay |
| Mead Island | Gananoque |
| Morgan Island | Chippewa Bay |
| Mosquito Island | Thousand Island Park |
| Murray Isle | Thousand Island Park |
| Nobby Island | Alexandria Bay |
| North Colborne Island | Thousand Island Park |
| North Crawford Island | Thousand Island Park |
| Orient Island | Thousand Island Park |
| Papoose Island | Saint Lawrence |
| Peach Island | Gananoque |
| Picnic Island | Redwood |
| Picton Island | Thousand Island Park |
| Pike Island | Alexandria Bay |
| Pine Island | Thousand Island Park |
| Poors Island | Black River |
| Portage Island | Redwood |
| Potter Island | Gananoque |
| Pullman Island | Alexandria Bay |
| Pullman Island | Thousand Island Park |
| Resort Island | Alexandria Bay |
| Rob Roy Island | Alexandria Bay |
| Robinson Group | Thousand Island Park |
| Rock Island | Thousand Island Park |
| Rock West | Saint Lawrence |
| Rock West Island (historical) | Saint Lawrence |
| Round Island | Thousand Island Park |
| Roxy Islands | Cape Vincent North |
| Rylstone Isle | Thousand Island Park |
| Saint Elmo Island | Alexandria Bay |
| Saint Helena Island | Alexandria Bay |
| Sand Island | Alexandria Bay |
| Sargent Island | Thousand Island Park |
| Schooner Island | Alexandria Bay |
| Seven Isles | Alexandria Bay |
| Sewalls Island | Watertown |
| Ski Island | Alexandria Bay |
| Smugglers Island | Thousand Island Park |
| Snake Oil Island | Chippewa Bay |
| Squaw Island | Chaumont |
| Steamboat Island | Alexandria Bay |
| Stony Crest | Alexandria Bay |
| Stony Island | Point Peninsula |
| Summerland Group | Alexandria Bay |
| Summerland Island | Alexandria Bay |
| Sunken Rock Island | Alexandria Bay |
| Sunnyside Island | Alexandria Bay |
| Susan Island | Thousand Island Park |
| Sylvan Island | Rockport |
| Tannery Island | Carthage |
| Thousand Islands | Alexandria Bay |
| Three Sisters | Redwood |
| Tidd Island | Thousand Island Park |
| Twin Island | Thousand Island Park |
| Vanderbilt Island | Thousand Island Park |
| Washington Island | Clayton |
| Watch Island | Gananoque |
| Watch Island | Thousand Island Park |
| Wauwinel Island | Alexandria Bay |
| Welcome Island | Alexandria Bay |
| Wellesley Island | Thousand Island Park |
| West Crawford Island | Thousand Island Park |
| Whiskey Island | Rockport |
| Whiskey Island | Saint Lawrence |
| Wind Island | Carthage |
| Winter Island | Thousand Island Park |
| Wintergreen Island | Redwood |
| Woronoco Island | Thousand Island Park |
This is a list of all the islands in Jefferson County, New York. In some cases there are duplicate names so try to select the one you are looking for based on the USGS quad topo map name which is often a recognizable feature or town nearby.