 The Madam Brett Homestead is located near Fishkill Creek, at 50 Van Nydeck Avenue, Beacon, New York 12508, USA.Madam Brett Park's 12 acres hug Fishkill Creek, which played a prominent role in Beacon's development.Along it stood a gristmill owned by the park's namesake — Catheryna Rombout Brett (1687-1764), with her huband Roger the first European settlers in the present-day city.