- Gardners Grove
- Gaza
- Gilmanton Ironworks
- Glendale
- Governors Island
- Gansy Island
- Gate Island
- Glines Island
- Goodrich Falls
- Goodwin Island
- Goose Corner
- Granite
- Grape Corner
- Gulay Island
- Gun Island
- Gun Island
- Gee Mill
- Gilboa
- Gateway Trailer Park
- Georges
- Glen House
- Grange
- Gerrish Isle
- Gilman Mobile Park
- Gilmans Corner
- Goose Hollow
- Grafton Center
- Great Island
- Groton Island
- Goat Island