St. Elizabeth Seton Parish is located in the north-east quadrant of Newmarket, Ontario, Canada, not far from the Davis Drive exit off Highway 404. As a part of the Roman Catholic Archdiocese of Toronto, it serves a vibrant community of parishioners, the majority of whom reside in the Town of Newmarket and the Town of East Gwillimbury. The Parish was founded in 1986.

Seton Hall, a fully equipped banquet facility that is part of the Parish building, is available for rent for wedding receptions and other community functions.