G
- (Ketchikan Gateway Borough) Gibbs Rock
- (Sitka City and Borough) Glagolm Island
- (Prince of Wales-Hyder Census Area) Goat Island
- (Sitka City and Borough) Gold Island
- (Prince of Wales-Hyder Census Area) Gate Island
- (Ketchikan Gateway Borough) Goose Tongue Island
- (Sitka City and Borough) Goloi Island
- (Sitka City and Borough) Goloi Islands
- (Sitka City and Borough) Golovni Island
- (Perry County) Good Island
- (Perry County) Goose Island
- (Ketchikan Gateway Borough) Goose Rock
- (Prince of Wales-Hyder Census Area) Gould Island
- (Sitka City and Borough) Gornoi Island
- (Ketchikan Gateway Borough) Gosling Island
- (Perry County) Grand Island
- (Prince of Wales-Hyder Census Area) Gourd Island
- (Prince of Wales-Hyder Census Area) Grand Island
- (Sitka City and Borough) Grace Island
- (Prince of Wales-Hyder Census Area) Grass Rock
- (Sitka City and Borough) Granite Islands
- (Ketchikan Gateway Borough) Granite Island
- (Ketchikan Gateway Borough) Grant Island
- (Sitka City and Borough) Golf Island
- (Sitka City and Borough) Grasstop Rock
- (Prince of Wales-Hyder Census Area) Grass Rock
- (Prince of Wales-Hyder Census Area) Grass Rock
- (Thomas County) Grassy Island
- (Perry County) Grave Island
- (Perry County) Grassy Rock