Tech moguls have been snapping up residential real estate like they’re collecting Infinity Stones. Among them is Alex Karp, cofounder and CEO of data-mining giant Palantir Technologies.
Karp, who has said he never learned to drive because he was once “too poor” and is now “too rich,” has quietly built a nine-figure real estate portfolio that reportedly includes as many as 20 properties around the world, many of them in remote or ski-friendly destinations.
The Palantir CEO, whose net worth stood at $14.4 billion as of publication, according to the Bloomberg Billionaires Index, added a former monastery to that collection in late 2025, purchasing a roughly 3,700-acre ranch in Snowmass, Colorado — a ski town about 15 miles north of Aspen — for $120 million.
He bought the property from St. Benedict’s Monastery, whose Trappist monks had stewarded the land for nearly seven decades as their numbers dwindled.
The deal came months after Hibiscus East LLC, a Delaware entity tied to Karp, bought a nearly 10,000-square-foot mansion on Miami’s exclusive San Marino Island for $46 million, according to property records.
From a rural compound in New Hampshire to lavish mansions in Miami, here is a look at some of Karp’s US residential properties.
Karp’s reported primary residence is in a remote New Hampshire town.
Despite making his name in Silicon Valley, where he co-founded Palantir and became one of the tech industry’s most closely watched executives, Karp’s reported primary residence is far from California.
The billionaire is said to own a 500-acre estate in Lyman, New Hampshire, part of which he purchased for $825,000 in 2019. Karp has been known to occasionally work out of the property’s barn.
Lyman is a rural town in Grafton County that got its start as a logging and farming community. The closest major city is Manchester, New Hampshire, nearly a two-hour drive south.
Home to fewer than 600 people, the remote town seems well-suited to Karp, who, despite being at the forefront of surveillance technology, tends to favor a quiet, off-the-grid lifestyle.
Karp joins a wave of billionaires buying homes in Miami.
Palantir moved its headquarters from Denver to Aventura, a Miami-area suburb, in 2026. But Karp’s ties to the area appear to predate the move.
Records show that in June 2025, Hibiscus East LLC, a Delaware entity tied to Karp, purchased a $46 million estate at 55 East San Marino Drive.
Business Insider’s Madeline Berg reported that Hibiscus East is linked to an attorney’s office in Manchester, New Hampshire, and an accounting firm in Bedford, New Hampshire — both of which have appeared on documents tied to Karp’s previous real estate transactions.
The estate is located on San Marino Island, one of the six man-made Venetian Islands in Biscayne Bay. The exclusive enclave has long attracted celebrities, business executives, and professional athletes, including basketball star Dwyane Wade and singer Gloria Estefan.
The enclave is known for its grand, luxurious homes. According to a Zillow listing, Karp’s waterfront property is nearly 10,000 square feet and has six bedrooms, seven bathrooms, and a heated pool.
It’s unclear whether Karp plans to make the property his full-time residence. He is one of several billionaires — including Jeff Bezos, Sergey Brin, and Mark Zuckerberg — who have reportedly purchased multimillion-dollar homes in Miami in recent years.
Karp may be building a compound in Miami.
Apparently, one home on San Marino Island was not enough.
The Real Deal reported that Karp also purchased the waterfront house next door to his estate at 55 East San Marino Drive.
The second home, at 29 East San Marino Drive, is a 2,922-square-foot house built in 1935 with two bedrooms and 2.5 bathrooms.
It was listed by Dora Puig of Luxe Living Realty for $30 million, but sold to Karp for $28.5 million. Records show that Hibiscus East LLC was also involved in the deal.
According to The Real Deal, the two properties appear to be part of Karp’s larger plan to build a compound on the island. Together, the lots total more than 0.8 acres and offer 265 feet of waterfront.
Karp owns a one-of-a-kind property in the Colorado mountains.
Karp is an avid skier who trains vigorously. As such, this 3,700-acre ranch about 15 miles north of Aspen at St. Benedict’s Monastery was a fitting buy.
According to its original listing, the property is “situated in a private mountain valley” in Capitol Creek Valley.
The property was originally listed for $150 million in 2024, but ultimately sold to Karp for $120 million, according to The Wall Street Journal, which cited a source familiar with the deal.
Ken Mirr of Mirr Ranch Group, the listing agent who represented the sale, declined to confirm whether Karp was the buyer. But he told the Journal that the deal set a record for Pitkin County.
The land for St. Benedict’s Monastery was purchased in 1956 by the Cistercian Order of the Strict Observance, a Roman Catholic religious order known as the Trappists, for an undisclosed amount. The monastery was built two years later.
For decades, the monks cared for the land, supporting themselves through farming and candy sales. But their numbers gradually dwindled, and by the time of the sale, reportedly only five monks remained.
Today, the compound still has a chapel, prayer areas, monks’ living quarters, a monastery building, and a retreat center.
Business Insider contacted Patrick Collins, the lawyer connected to Hibiscus East LLC; Ken Mirr, the listing agent for St. Benedict’s Monastery; and Dora Puig, the listing agent for Karp’s 29 East San Marino Drive property, but did not receive a response.
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