Lac Isaïe is a Lake located in Lac-Ministuk; Le Fjord-du-Saguenay, Quebec and has an elevation of 359 meters.

• Latitude: 48° 12' 4'' North   (decimal: 48.2011111)
• Longitude: 71° 2' 54'' West   (decimal: -71.0483333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 359 meters
• Location: Lac-Ministuk; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Isaïe
• GPS Coordinate Locator Map: Lac Isaïe Lat/Long