Block Island
50°22′N 125°20′W
50°22′N 125°20′W
Chart
Nearest islands
- Sonora Island4.9 km
- East Thurlow Island8.6 km
- West Thurlow Island18 km
- Quadra Island25 km
- West Redonda Island33 km
- Hardwicke Island36 km
Also in Discovery Islands

Quadra Island
272 km²▲ 610 m
Major islands

West Redonda Island
174 km²▲ 1,047 m
Major islands

Sonora Island
165 km²▲ 893 m
Major islands

Cortes Island
127 km²▲ 444 m
Major islands
East Thurlow Island
106 km²▲ 662 m
Major islands
East Redonda Island
100 km²▲ 1,591 m
Major islands

West Thurlow Island
81.3 km²▲ 566 m
Major islands
Hardwicke Island
76.3 km²▲ 804 m
Major islands
Sources
Facts
- Geometry, areas and high points: OpenStreetMap contributors (ODbL), Copernicus GLO-30, via Talus.
- Talus