- Fay
- Fern Island
- First Island
- Floodwood
- Forestdale
- Fort Covington Center
- Fort Covington Hamlet
- Franklin Falls
- Fish House
- Fargo
- Five Corners
- Five Corners
- Fort Hill
- Feddes Mobile Home Park
- Forrest Hills Mobile Home Park
- Fairfield
- Farrel Corner
- Fink Basin
- Fitzer Park Mobile Home Park
- Fort Herkimer
- Frankfort Center
- Fairyland Island
- Fargo
- Fields Settlement
- Fineview
- Fir Island
- Fire Rock Island
- Fishers Landing
- Flat Huckleberry Island
- Flatiron Island