Mariana Cowan has been described as The First Lady of Halifax Real Estate, and with good reason! For more than 36+ years, Mariana Cowan's award winning performance has helped her become a recognizable face in Real Estate. She is often invited to speak at both national and international conferences, to share her experience and expertise.
In 2007, Mariana was recognized as a "Billion Dollar Agent" in Steve Kantor's book, Billion Dollar Agent - Lesson Learned. In 1996 she founded Coldwell Banker Supercity Realty and built The Cowan-Smith Home Selling System, Atlantic Canada's first use of the Team Marketing Model.
Mariana Cowan has built her reputation based on continuing education and maintaining an in-depth understanding of the real estate market both locally and internationally. Not only does Mariana have over 10 industry designations, but she regularly delivers training on developing team systems and life balance, for REALTORS around the world.
121 Hubley Mill Lake Road
21-Kingswood, Haliburton Hills, Hammonds Pl.Upper TantallonB3Z 1E8
Welcome to 121 Hubley Mill Lake Road, an exceptional south-facing waterfront estate set on approximately 1.1 private acres with roughly 220 feet of frontage on Hubley Mill Lake. Offering nearly 4,000 sq. ft. of developed living space, this remarkable property combines multi-generational flexibility, resort-style recreation, and peaceful lakefront privacy just minutes from Upper Tantallon amenities and Highway 103. The bright open-concept main level features expansive windows, panoramic lake views, a natural stone propane fireplace, and direct access to the cedar deck and landscaped grounds. The kitchen offers rich wood cabinetry, granite countertops, stainless steel appliances, a generous island, and a custom beverage station with wine refrigerator. The primary suite includes a private sitting area, walk-in closet, and spa-inspired ensuite, while the second-floor family room opens to a private balcony overlooking the lake. Above the attached heated garage, a fully self-contained one-bedroom loft suite with private entrance, kitchen, living area, propane fireplace, heat pump, and ensuite is ideal for extended family, guests, or potential rental use. Outside, enjoy an 18' x 36' heated saltwater pool, six-person hot tub, cold plunge, outdoor shower, Pool House with pass-through bar and rooftop sunset perch, plus multiple patios and gathering areas. The insulated waterfront Boathouse includes electricity, Wi-Fi, an airtight wood stove, sleeping loft, outdoor cooking station, and cantilevered deck. Additional features include a heated detached workshop, Gardener’s Shed, engineered shoreline protection with kayak launch, solar energy system, five heat pumps, lake-fed irrigation, mature landscaping, and a new 30-year roof. Approximately 25 minutes to Downtown Halifax and 35 minutes to Halifax Stanfield International Airport. Make this private retreat yours and book your private viewing!
Data was last updated November 5, 2026 at 11:20 PM (UTC)
Area Statistics
Listings on market:
114
Avg list price:
$789,900
Min list price:
$149,900
Max list price:
$2,399,900
Avg days on market:
56
Min days on market:
1
Max days on market:
370
Avg price per sq.ft.:
$323.16
These statistics are generated based on the current listing's property type
and located in
21-Kingswood, Haliburton Hills, Hammonds Pl.. Average values are
derived using median calculations. This data is not produced by
the MLS® system.