- Gibsonia (historical)
- Gibsonton
- Gibsonton on the Bay
- Giddens
- Gifford
- Gifford Island
- Gifford Mobile Home Park
- Gilberts
- Gilberts Mill
- Gilbertsen Acres
- Gilchrist
- Gilchrist
- Gilchrist Heights
- Gilchrist Island
- Gilfort
- Gillespies Glen
- Gillett Acres
- Gillette
- Gillette Park
- Gilmore
- Gilmore Manor
- Givney Key
- Glade Haven Mobile Home Park
- Gladeview
- Gladeview Mobile Home Park
- Glass
- Glen Ellen Village
- Glen Oaks Mobile Home Park
- Glen Oaks South
- Glen Ridge