Seabridge Gold Inc., a development stage company, together with its subsidiaries, engages in the acquisition and exploration of gold properties located in North America. It also explores for copper, silver, and molybdenum ores. Its principal projects include the Kerr-Sulphurets-Mitchell property located in the Iskut-Stikine region of British Columbia; and the Courageous Lake gold project that consists of 61 federal mining leases, 26 federal mining claims, and 1 optioned federal mining lease having a combined area of 124,189.9 acres located in Northwest Territories, Canada. The company was formerly known as Seabridge Resources Inc. and changed its name to Seabridge Gold Inc. in June 2002. Seabridge Gold Inc. was founded in 1979 and is based in Toronto, Canada.