- Chipmunk
- Cold Spring
- Colonial Village Mobile Home Park
- Conewango
- Cottage
- Crestview
- Carriage Estates
- Chambers
- Clinton Island
- Collingwood
- Crestwood Mobile Home Park
- Camel Island
- Cascade
- Casowasco
- Cayuga Junction
- Cayuga Lake Estates Mobile Home Park
- Chipman Corners
- Cold Spring
- Como
- Conklin Cove
- Conquest
- Cooper's Mobile Home Park
- Crocketts
- Cross Roads
- Calcium
- Caledonia
- Callicoon
- Camillus
- Center Corners
- Centralia