Southlake Health (formerly Southlake Regional Health Centre) is a nonprofit hospital network based in Newmarket, Ontario. Serving northern York Region and southern Simcoe County, it operates several campuses—including advanced cardiac, cancer, and thoracic care centres—with over 500 beds and around 6,000 staff, physicians, volunteers, and students. Southlake combines patient care with robust regional programs and integrated research partnerships with universities and teaching hospitals. Annual outpatient visits exceed 600,000, supported by a $500–600 million operating budget and community-wide initiatives like the Southlake@Home care program and a Foundation that raises more than $234 million since 1980.