G
- Gananoque
- Gargantua
- Gereaux Island Lighthouse
- Giants Tomb Island Lighthouse
- Gibraltar Point Lighthouse
- Gloucester Pool Sailing Association
- Goderich
- Goderich Lighthouse
- Gore Bay
- Gore Bay Lighthouse
- Goulais Mission
- Grand Bend
- Grand Bend Lighthouse
- Grand River Lighthouse
- Gravenhurst Narrows Lighthouse
- Great Duck Island Lighthouse
- Griffith Island Lighthouse
- Grimsby
- Gros Cap
- Gros Cap Reefs Lighthouse
- Gull Bay