Mill Stream Antiques a Historic property with frontage on Mill Brook along the scenic US Route 1 corridor in Sullivan, Maine. Originally known as the historic Cascade House, this early 1800s Greek Revival property offers exceptional visibility, character, and opportunity near Acadia National Park and the Schoodic Peninsula. Rich in Downeast Maine history, the property has previously operated as a boarding house, tavern, grocery store, barber shop, post office, and antique center throughout its lifetime. Many original architectural features remain including exposed beams, period woodwork, antique windows, tin ceilings, and expansive upper-level spaces showcasing historic craftsmanship and restoration potential. Rare opportunity to own a recognizable piece of Downeast Maine history with waterfront character, business potential, and authentic New England charm. Antique inventory and business assets may be negotiable separately. Certain displayed items may not convey. Inquire with listing broker for details.