| Name |
County |
| Andrews Island |
South Central Connecticut |
| Andrews Island |
Southeastern Connecticut |
| Ball Island |
South Central Connecticut |
| Barn Island |
Southeastern Connecticut |
| Barton Island |
Southeastern Connecticut |
| Bear Island |
South Central Connecticut |
| Beers Island |
South Central Connecticut |
| Beers Rocks |
Western Connecticut |
| Belden Island |
South Central Connecticut |
| Bell Island |
Western Connecticut |
| Betts Island |
Western Connecticut |
| Big Boil |
South Central Connecticut |
| Big Indian |
South Central Connecticut |
| Bishop Rock |
South Central Connecticut |
| Black Rock |
South Central Connecticut |
| Black Rock |
Southeastern Connecticut |
| Black Rock |
Southeastern Connecticut |
| Blackboys |
Southeastern Connecticut |
| Blackstone Rocks |
South Central Connecticut |
| Bluff Island |
Western Connecticut |
| Bold Rock |
Western Connecticut |
| Bowers Island |
Western Connecticut |
| Bowman Rock |
South Central Connecticut |
| Brockway Island |
Lower Connecticut River Valley |
| Brush Island |
Western Connecticut |
| Brush Island |
Western Connecticut |
| Burr Island |
South Central Connecticut |
| Butlers Island |
Western Connecticut |
| Calf Islands |
Western Connecticut |
| Calf Pasture Island |
Western Connecticut |
| Calves Island |
Lower Connecticut River Valley |
| Calves Island Bar |
Lower Connecticut River Valley |
| Candlewood Isle |
Western Connecticut |
| Canfield Island |
Western Connecticut |
| Carting Island |
Greater Bridgeport |
| Cat Island |
South Central Connecticut |
| Cedar Hammock |
Western Connecticut |
| Cedar Island |
South Central Connecticut |
| Cedar Island |
Lower Connecticut River Valley |
| Cedar Island |
South Central Connecticut |
| Cedar Island |
Western Connecticut |
| Chaffinch Island |
South Central Connecticut |
| Channel Rock |
Western Connecticut |
| Charles Island |
South Central Connecticut |
| Chauncey Island |
Western Connecticut |
| Chester Rock |
Lower Connecticut River Valley |
| Chimon Island |
Western Connecticut |
| Chimon Rock |
Western Connecticut |
| Clam Island |
South Central Connecticut |
| Club Island |
Northwest Hills |
| Cockenoe Island |
Western Connecticut |
| Contentment Island |
Western Connecticut |
| Copps Island |
Western Connecticut |
| Copps Rocks |
Western Connecticut |
| Cormorant Rock |
Southeastern Connecticut |
| Cove Island |
Western Connecticut |
| Cove Rock |
Western Connecticut |
| Cove Rocks |
Western Connecticut |
| Crab Island |
Western Connecticut |
| Crow Island |
Western Connecticut |
| Curatole Island |
Northwest Hills |
| Cut in Two Island |
South Central Connecticut |
| Darrow Rocks |
South Central Connecticut |
| Dart Island |
Lower Connecticut River Valley |
| Davis Island |
South Central Connecticut |
| Deer Island |
Western Connecticut |
| Deer Island |
Northwest Hills |
| Democrat Rock |
South Central Connecticut |
| Dick Rock |
South Central Connecticut |
| Dick Rocks |
South Central Connecticut |
| Diving Island |
Western Connecticut |
| Dodges Island |
Southeastern Connecticut |
| Dog Island |
Western Connecticut |
| Dogfish Island |
South Central Connecticut |
| Duck Island |
Lower Connecticut River Valley |