- Calumet Island
- Camps Mills
- Canary Island
- Caprice Island
- Carleton Island
- Casino Island
- Castle Francis Island
- Cedar Island
- Champion
- Cherry Island
- Cherry Island
- Chub Island
- Clark Point
- Clayton Center
- Clouds Rest Island
- Club Island
- Cobbtown
- Collins Landing
- Comfort Island
- Cork Island
- Cowan Corner
- Crab Island
- Crow Island
- Cuba Island
- Canarsie
- Canarsie Pol
- City Line
- Cobble Hill
- Coney Island
- Cypress Hills