Illinois
Îles commençant par c
États-Unis
- Calico Island
- Campbells Island
- Campbells Island
- Carr Island
- Carroll Island
- Carroll Island
- Carroll Island (historical)
- Cash Island
- Cedar Island
- Cedar Island
- Chatton Island
- Chillicothe Island
- Chouteau Island
- Clark Island
- Clark Island
- Clarks Island
- Clarksville Island
- Clifford Island
- Coal Creek Island
- Coleman Island
- Commerce Towhead (historical)
- Conroy Island
- Coon Hollow Island
- Coon Island
- Coon Islands
- Coopers Island
- Cottonwood Island
- Crabapple Island
- Craigel Island
- Crains Island
- Crater Island
- Crawford Towhead
- Crider Island
- Cuba Island