Thetis Island is a small island located in the Gulf Islands of British Columbia, Canada. It is part of the Capital Regional District and is situated between Kuper Island and Penelekut Island. The island covers approximately 1.5 square miles and is known for its natural beauty, featuring lush forests and scenic coastlines. Thetis Island is primarily residential, with a small population that enjoys a quiet, rural lifestyle. The island is accessible by ferry, making it a popular destination for visitors seeking outdoor activities such as hiking, kayaking, and wildlife watching. The community is also known for its commitment to environmental conservation.