|Location||Kennedy Channel/Hall Basin|
|Area||1.1 km2 (0.42 sq mi)|
|Length||1.2 km (0.75 mi)|
|Width||1 km (0.6 mi)|
|Highest elevation||100 m (300 ft)|
Joe Island lies in the Kennedy Channel at the limit of the Hall Basin. It is located about 4 km north of Cape Morton, off the northern end of the Petermann Peninsula, to the northwest of the mouth of Petermann Fjord. The waters around the island are icebound most of the year.
The island is mushroom-shaped. It has an area of 1.1 km2 and an elevation of 100 meters.
- George Nares Narrative of a voyage to the Polar Sea during 1875–6 in H.M. ships 'Alert' and 'Discovery'