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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.
Property Type(s):
Commercial
| Last Updated | 5/19/2026 | Year Built | 1800 |
|---|---|---|---|
| County | Hancock |
Additional Details
| AIR | None |
|---|---|
| BASEMENT | Full, Unfinished, Walk-Out Access, Yes |
| CONSTRUCTION | Clapboard, Frame |
| HEAT | Wood, Wood Stove |
| INTERIOR | Storage |
| LOT | 9583 sq ft |
| LOT DESCRIPTION | Waterfront |
| LOT DIMENSIONS | 0.22 |
| MLS STATUS | Active |
| PARKING | On Site, Off Street |
| STORIES | 3 |
| UTILITIES | Natural Gas Not Available |
| VIEW | Yes |
| VIEW DESCRIPTION | Water |
| WATER | Well |
| WATERFRONT | Yes |
Listing provided by Keller Williams Realty, andrewbrunton@kw.com
Listing data is derived in whole or in part from the Maine IDX & is for consumers'' personal, non-commercial use only. Dimensions are approximate and not guaranteed. All data should be independently verified.© 2026 Maine Real Estate Information System, Inc. All Rights Reserved. 
Additional school data provided by Onboard Informatics © 2026 Onboard Informatics. Information deemed reliable but not guaranteed.
Mortgage Calculator provided by Diverse Solutions © 2026
IDX data provided by Market Leader, courtesy of Maine Listings.
This IDX solution is (c) Diverse Solutions 2026.
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