- Corson Corner
- Corsons Corner
- Cyrs
- Carrs Corner
- Carvers Corner
- Center Belmont
- Center Montville
- City Point
- Clarks Corner
- Clarks Corner
- Connors Corner
- Cooks Corner
- Crows Nest
- Calf Island
- Cape Wash Island
- Caribou Rock
- Carlow Island
- Carrying Place Island
- Cedar
- Cedar Island
- Center Island
- Chain Island
- Chamberly Island
- Chance Island
- Chandler Island
- Channel Rock
- Channel Rock
- Chase Mills
- Colbeth Rock
- Columbus Island