Legendary horse estate where British royals housed their horses is on the market in Maryland for $16.5 million

There are few properties in the US that carry the same kind of legacy as Sagamore Farma legendary equestrian estate intertwined with some of the world’s most impressive dynasties, including the Vanderbilts and the British Royal Family.
Noteworthy is the impressive heritage of the estate, which also includes its most recent owner, the CEO of Under Armour Kevin Plankdid not help find a buyer. Originally listed in early 2025 for $22 million, the Maryland property has struggled to attract concrete offers – and has now returned to the market for the much lower price of $16.5 million.
While still a high figure, the latest demand could very well be seen as a bargain for those fortunate enough to be able to afford a property of such prestige.
Set in approximately 440 hectares of rolling countryside in Glyndon’s Worthington Valley, the historic property combines world-class equine infrastructure with a grand home rooted in a century of history.
Founded in 1925 by pharmaceutical magnate Isaac Emerson and later entrusted Alfred G. Vanderbilt Jr.Sagamore Farm rose to international fame as one of the premier breeding and training facilities in American horse racing.
Over the decades, the farm has produced legendary racehorses, including Native Dancer, known as the “Galloping Gray Ghost.”
“The farm attracted worldwide attention at its peak, including links with the British Royal Family, with the Queen of England keeping a broodmare on the property,” says agent Christina Giffin from Sotheby’s International Realty.


Giffin didn’t name the royal family in question — nor is there any publicly available data to verify this anecdote — but history suggests that the late Queen Elizabeth IIan avid equestrian, could very well have housed one of her horses on the estate.
Today the property represents a rare opportunity to become the owner of a fully realized equestrian complex with an extraordinary legacy. In the heart of 3366 Belmont Ave. lies a stately 16,000 square foot main residence with seven oversized en suite bedrooms, nine full bathrooms and a half bath.
Expansive living areas include a formal dining room and library that opens onto the terrace, while four fireplaces are found throughout the home.
In addition to the residence, Sagamore Farm’s infrastructure reflects its heritage as a premier thoroughbred facility. The estate includes several barns and areas for training activities, along with extensive training paddocks.
A standout feature is the 0.75-mile Tapeta Training Course, designed to “provide a superior foundation for professional-level training.” Adding both functionality and spectacle, the Clocker’s Tower offers viewing and dining areas, all with stunning views of the property’s meadows.
The estate has also undergone several upgrades over the years to ensure it is ready for the next generation of stewards.
“When Kevin Plank, founder and CEO of Under Armor, acquired Sagamore Farm in 2007, the long-term vision was to preserve the legacy and elevate it to modern standards,” says Giffin.
Both the residence and equestrian facilities underwent notable upgrades, including the installation of Tapeta’s synthetic track and the construction of the Clocker’s Tower. Modern fixtures and appliances can also be found throughout the main house and supporting buildings.




“One of the most unique features of the property is the historic 1909 spring house,” Giffin explains.
Fed by natural limestone-filtered water that maintains a constant temperature of 53°C year-round, the spring once provided farmers with a place to cool milk and store dairy long before modern refrigeration.
“Today, the same pure water continues to bubble up through the foundation and is carefully collected by Sagamore Spirit for use in making its Maryland-style rye whiskey,” she adds.
As if the charm of the building itself wasn’t enough, the location provides even more appeal. The property is located in Baltimore County’s Worthington Valley, widely considered the heart of Maryland’s horse country. It offers easy access to major highways and is just 30 minutes from Baltimore/Washington International Thurgood Marshall Airport.
Co-listing agent Diane Donohuewho has lived in the area for over 25 years, describes the landscape as one characterized by timeless beauty and continuity.
“Locals and visitors will continue to drive past Sagamore Farm and its miles of white picket fence, stopping to watch stallions grazing or the early mist hanging in the valley,” Donohue says. “It’s amazing to think that 10 minutes away is Hunt Valley Town Center with all the modern conveniences of shopping and dining.”
Ultimately, Sagamore Farm is distinguished not only by its size, but also by the legacy it represents.
“Sagamore Farm is among the most spectacular estates in Maryland, both for its physical beauty and for the story it continues to tell,” says Giffin.




