Wisconsin
Îles commençant par c
États-Unis
- Cana Island
- Carlson Island
- Cat Island
- Cat Island
- Cedar Island
- Cedar Island
- Chambers Island
- Champaign Island
- Chippewa Island
- Clare Island
- Clark Island
- Clough Island
- Clubhouse Island
- Clumbs Island
- Coleman Islands
- Coles Island
- Colin Island
- Cormorant Island
- Cotton Island
- Coumbe Island
- Crane Island
- Crane Island
- Crats Island
- Crescent Island
- Crownhart Island
- Cuba Island