- Glendale
- Glenwood
- Gooch Corners
- Great Island
- Green Acres Trailer Park
- Greenwood
- Gravel Islands (historical)
- Germantown
- Grantville
- Grape Island
- Greenlodge
- Gallatin Rock
- Gannett Corners
- Gibbs Grove
- Goat Island
- Golden Ring Camp
- Grand Vue
- Gravel Island
- Gravelly Rock
- Great Harry Foot
- Great Island
- Great Wood Island
- Green Harbor
- Green Harbor-Cedar Crest
- Green Hill Rock
- Gull Island
- Gull Island
- Gurneys Corner
- Gallops Island
- Georges Island