- Garland
- Guilford
- Greenville
- Greenwood
- Gardiner
- Gilead
- Gorham
- Gouldsboro
- Grand Isle
- Grand Lake Stream
- Gray
- Great Pond
- Greenbush
- Greene
- Gag Corner
- Gallows Island
- Gander Island
- Gantners Landing
- Garden Island
- Garden Island
- Garden Islands
- Gardner Island
- Garrison Island
- Gates Island
- Gay Island
- Gem Island
- George Head Island
- George Island
- Georges Islands
- Georgetown