- Great Neck
- Great Rock
- Great Swamp
- Great Thatch Island
- Great Wood Island
- Green Acres Trailer Park
- Green Harbor
- Green Harbor-Cedar Crest
- Green Hill Rock
- Green Island
- Green Ridge Park
- Green Rock
- Greenbush
- Greendale
- Greenfield
- Greenlodge
- Greenville
- Greenwood
- Greylock
- Greylock Estates
- Grinnell Rock
- Griswoldville
- Grosvenor Corner
- Groton
- Grounts Corner
- Grove Hall
- Groveland
- Gull Island
- Gull Island
- Gull Island