Thetis Island is a Unincorporated area located in Cowichan Land District, British Columbia and has an elevation of 24 meters.

• Latitude: 48° 59' North   (decimal: 48.9833000)
• Longitude: 123° 41' West   (decimal: -123.6833000)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Community
• Canadian Province/Territory: British Columbia
• Elevation: 24 meters
• Location: Cowichan Land District
• Atlas of Canada Locator Map: Thetis Island
• GPS Coordinate Locator Map: Thetis Island Lat/Long