LONGHOUSE is an architecturally significant waterfront estate inspired by Rural Modern design, set on 6.85 acres with over 350 feet of private frontage on the Napanee River. Designed for multi generational living and exceptional entertaining, the property offers approximately 6,000 sq. ft. of finished living space, including a spectacular river-facing solarium, a double-car garage attached garage and a self-contained loft residence above. The timber-frame main residence sits atop a wood-textured concrete plinth, capturing panoramic river views from nearly every room. Outdoor living is highlighted by a 1,000sq. ft. riverfront terrace and professionally landscaped grounds that blend seamlessly with the surrounding natural environment, gated property access, 2-car garage attached, 2 car detached garage and fully paved driveway. Inside, thoughtfully curated finishes showcase exceptional craftsmanship, including rift-cut white oak millwork, hand-finished cabinetry, Italian porcelain tile, German-engineered white oak flooring, and a STUV wood-burning fireplace. Expansive windows flood the home with natural light while framing breathtaking water views. The main level features a luxurious primary suite with a spa-inspired ensuite, walk-in dressing room, and direct access to outdoor living spaces. The upper level offers two additional bedrooms, a shared bath, and a dramatic gallery/library space. The lower level includes a guest suite, family room, wellness area, laundry facilities, and flexible living spaces. Located between Kingston and Prince Edward County, LONGHOUSE provides a rare combination of privacy, architectural excellence, and year-round estate waterfront living. Approximately two hours from Toronto, Ottawa, and Montreal, this remarkable property represents a unique opportunity to own one of Eastern Ontario's premier luxury waterfront estates.
Property Type:
Residential Freehold
Property Sub Type:
Detached
Property Attached:
Yes
Home Style:
Bungaloft
Approx. Age:
6-15
Total Approx Floor Area:
3500-5000
Lot Size:
5-9.99
Lot Depth:
863'4"263 m
Lot Frontage:
368'9"112 m
Lot Details:
863 x 368.75
Topography:
Open Space, Rolling, Sloping, Waterway, Wooded/Treed
Direction Faces:
South
Bedrooms:
4+1
Bathrooms:
5.0
Water supply:
Well
Kitchens:
1
Kitchens in Basement:
0
Bedrooms Above Grade:
4
Bedrooms Below Grade:
1
Kitchens Above Grade:
1
Rooms Above Grade:
17
Rooms Below Grade:
9
Rooms:
21
Heating type:
Forced Air
Heating Fuel:
Wood
New Construction:
No
Foundation:
Insulated Concrete Form, Poured Concrete
Roof:
Metal
Basement:
Apartment, Separate Entrance, Finished, Walk-Up
Fireplace Features:
Wood Stove
Fireplace/Stove:
Yes
Alternative Power:
Solar Power
Garage:
Attached
Garage Spaces:
4.0
Other Structures:
Additional Garage(s), Aux Residences, Storage
Parking Features:
Inside Entry, Lane, Private
Parking Spaces:
10
Total Parking Spaces:
14.0
Rural services:
Cell Services, Electricity Connected, Garbage Pickup, Internet High Speed, Internet Other, Phone Connected, Underground Utilities
Family Room:
Yes
Possession Details:
TBD
Pool:
None
Link:
No
HST Applicable To Sale Price:
Not Subject to HST
Taxes:
$12,031.08 /
2026
Assessment:
$- /
-
Lennox & Addington
Stone Mills
63 - Stone Mills
Library, Part Cleared, River/Stream, School Bus Route, Waterfront, Wooded/Treed
Air Exchanger, Auto Garage Door Remote, Bar Fridge, Brick & Beam, Carpet Free, ERV/HRV, Floor Drain, Guest Accommodations, In-Law Suite, Primary Bedroom - Main Floor, Separate Heating Controls, Separate Hydro Meter, Solar Owned, Storage, Sump Pump, Upgraded Insulation, Ventilation System, Water Heater Owned, Water Treatment
Data was last updated June 25, 2026 at 06:15 AM (UTC)
Area Statistics
Listings on market:
64
Avg list price:
$699,900
Min list price:
$349,900
Max list price:
$5,499,000
Avg days on market:
28
Min days on market:
1
Max days on market:
598
These statistics are generated based on the current listing's property type
and located in
63 - Stone Mills. Average values are
derived using median calculations. This data is not produced by
the MLS® system.
This website may only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate of the type being offered via the website.
The data relating to real estate on this website comes in part from the MLS® Reciprocity program of the PropTx MLS®. The data is deemed reliable but is not guaranteed to be accurate.