- Christmas Island
- Christmas Island
- Clark Island
- Cleft Island
- Cloverleaf Island
- Conclusion Island
- Coney Island
- Cora Island
- Coronation Island
- Cottonwood
- Crescent Moon Island
- Cabin Creek
- Carolyn Island
- Channel Island
- Cowanesque Rock
- Chamisso Island
- Cannery
- Cap Spencer
- Carroll Island
- Cedar Island
- Cenotaph Island
- Chapel Island
- Chimney Rock
- Chock Island
- Colt Island
- Composite Island
- Crow Island
- Cabras Islands
- Camp Island
- Camp Island