- Camp Sayre
- Campbells Station
- Canton Junction
- Cat Island
- Cedar
- Cedar Hill
- Charles River Grove
- Charles River Station
- Charles River Village
- Childs Island
- Chittenden Rock
- Clicquot
- Coolidge Corner
- Country View Estates
- Crescent Island
- Crooks Corner
- Crownridge Estates
- Camp Avoda
- Camp Chappa Challa
- Camp Kiwanis
- Camp Mishannock
- Camp Norse
- Camp Ousamequin
- Camp Snipatuit
- Camp Titicut
- Camp Wampatuck
- Camp Yomechas
- Campello
- Canedys Corner
- Cannonville