- Cote Bas Landing
- Cross Cross Roads
- Calhoun Falls
- Calibogue Cay
- Callawassie Island
- Cane Island
- Capehart Housing Project
- Capers Island
- Capers Island
- Cat Island
- Cedar Reef Villas
- Chelsea
- Cherry Hill Estates
- Cherry Hill Knoll Island
- Cherry Point Landing
- Chesterfield
- Chisolm
- Chisolm Islands
- Chisolms
- Coleman Island
- Colonial Heights
- Colony Gardens Estates
- Cooper River Landing
- Coosaw
- Coosaw Island
- Copp Landing
- Corn Island
- Corn Island
- Corn Island
- Corn Island