Gravelly Island
45°31′N 86°44′W
45°31′N 86°44′W
Chart
Nearest islands
- St. Martin Island4.4 km
- Poverty Island4.9 km
- Summer Island8.0 km
- Little Summer Island9.9 km
- Rock Island14 km
- Washington Island21 km
Also in Potawatomi Islands

Washington Island
59.4 km²▲ 247 m
Major islands
Summer Island
8.8 km²▲ 232 m
Major islands
St. Martin Island
5.7 km²▲ 223 m
Major islands

Rock Island
4 km²▲ 263 m
Minor islands
Little Summer Island
3 km²▲ 205 m
Minor islands

Detroit Island
2.7 km²▲ 210 m
Minor islands

Plum Island
1.3 km²▲ 197 m
Minor islands

Poverty Island
0.86 km²▲ 212 m
Minor islands
Sources
Facts
- Geometry, areas and high points: OpenStreetMap contributors (ODbL), Copernicus GLO-30, via Talus.
- Talus
- Wikidata