Sotheby’s Concierge Auctions continues to lead the charge with its unique take on luxury property promotion, driven to connect sellers of exemplary pieces of real estate with some of the most discerning property connoisseurs on the planet.
The Concierge Auctions' marketplace holds world records for the highest-priced homes ever sold at auction, having transacted on invaluable properties across 46 American states and 38 countries. The platform boasts one of the industry’s most extensive and intelligent databases of high-net-worth real estate buyers and sellers, presenting luxury properties in vivid, compelling ways and redefining the standards of prime real estate.
The brand holds a number of records, with The One in Bel Air being the most expensive property ever sold at an auction in the United States – the 120,000 sq ft mansion commanded a winning bid of $126m.
The July Showcase
Sotheby’s Concierge Auctions is bookending July with an online sale showcasing prime properties from America. Running until 1st August, the auction spotlights a curated collection of some incredibly sought-after real estate, represented by leading brokerages. From waterfront sanctuaries in Sarasota to equestrian estates in northeastern Oregon, this is your opportunity to experience the power of bidding with Sotheby’s Concierge Auctions.
Long Island, Gold Coast, New York
A treasured legacy estate on Long Island’s Gold Coast, Swan Manor heads to auction this summer as a standout contender for a trophy title in the auction. Imagined by architect Stanford White, Swan Manor spans 22,000 sq ft across three residences on nine acres, with panoramic views of Long Island Sound – seamlessly harmonising historic pedigree with understated modernity. A true architectural masterpiece, this 14-bedroom, 14-bathroom estate is meticulously designed for effortless luxury. Every element is a considered touch, from heated floors and handcrafted stone finishes to a resort-style indoor pavilion complete with spa, sauna, and gym.
The grounds, softly undulating, are built for discretion and serenity, evoking a dreamlike landscape with botanical gardens, a cascading stone waterfall, and a stately bluestone driveway leading to a professional tennis court. An independent three-bedroom guest lodge and dedicated staff quarters ensure the estate runs effortlessly round-the-clock, whether hosting a quiet weekend escape or a grand-scale celebration.
Nestled in the village of Nissequogue on Long Island’s exclusive Gold Coast, Swan Manor offers proximity to yacht clubs, private golf courses, and sandy beaches — just over an hour from Manhattan and within reach of the Hamptons. For those seeking the storybook ease of country living along with metropolitan access, it delivers heritage, substance, and a quiet prestige that has lured in discerning families for generations.
Siesta Key, Sarasota, Florida
Siesta Key is known for a coastal lifestyle that’s in equal parts relaxed and refined, offering a rare coupling of resort-style comfort and elevated elegance within the gated waterfront enclave of Riegels Landing.
Boasting 357 feet of deep-water shoreline and direct Intracoastal access, this property is a haven for boating aficionados. Inside, 3,616 sq ft of engineered hardwood flooring flows seamlessly through living spaces adorned with custom millwork, floor-to-ceiling sliders, and premium Wolf, Sub-Zero, and Miele appliances. Multiple pantries and smart storage solutions ensure convenience throughout. The master suite offers private terrace access, smart lighting, and a sleek bathroom with illuminated mirrors, while dual loft areas create quiet retreats ideal for remote work. Downstairs, a fitness room, wine storage with plumbing, and an oversized garage with built-ins complement the offering.
The layout extends outdoors seamlessly, with vast Shellstone patios that envelop a saltwater pool and spa with integrated fire and water features, all controlled remotely. A 50-foot yacht can be accommodated seamlessly, while a floating kayak launch and lit pilings invite you to enjoy peaceful living on the water.
Offered fully furnished and turnkey, the home is move-in ready. Cutting-edge modern conveniences have been incorporated throughout, including Control4 automation for lighting, security, and AV, alongside a whole-house generator for seamless backup power.
Just steps from Siesta Beach and a short drive to Sarasota’s vibrant cultural and dining scene, Siesta Key Village buzzes with open-air restaurants, fresh seafood spots, cafés, and tiki bars where live music fills the night, all framed by the Gulf Coast’s stunning natural beauty.
This property is listed for $5.59M and requires a $100,000 bidder deposit prior to auction.
Bend, Central Oregon
Situated in the heart of Central Oregon, this expansive Bend compound captivates inside and out, offering complete discretion alongside unrestricted access to 80 acres of land.
Surrounded by panoramic Cascade Mountain views and lush pastures, this thoughtfully curated estate spans 6,300 sq ft in the main residence, accessed via a mile-long gated drive and featuring state-of-the-art technology throughout. Designed for comfort, resilience, and privacy, the home is bordered on two sides by Bureau of Land Management land, ensuring absolute seclusion and security – a true haven with no neighbours in view, just infinite horizons and the majesty of Cascade Mountain scenery. Equipped with a Tesla-powered solar system and smart home automation that manages every detail, the interior is carefully crafted, featuring two principal suites, additional en-suite bedrooms, a pool house, and an expansive kitchen complete with a pizza oven and firepit.
Outside, a sweeping lavender field and a stocked pond line the canal, creating an immersive setting for reflective strolls and peaceful moments in nature. The estate also offers a 10,000 sq ft climate-controlled shop for cars, boats, and aircraft; a 2,100 sq ft gym; a glasshouse; a sand volleyball court; and a shooting range with dedicated lockers — all maintained by on-site caretakers.
Located just 14 miles from downtown Bend, the estate is cradled amid world-class skiing and mountain biking facilities, alongside a vibrant food culture – all framed by Oregon’s expansive blue sky. More than a residence, this compound embodies a lifestyle imagined for independence, endurance, and immersive natural exploration.
This breathtaking sanctuary is listed for $9.99M, with a $100,000 bidder deposit required prior to auction.
Final Thoughts
Anchored by a distinguished provenance as custodians of the world’s most valuable possessions, Sotheby’s Concierge Auctions pays homage to its heritage while redefining the future of luxury real estate. Its lots hold a treasure trove of truly exceptional properties, from glamorous penthouse apartments and storied townhouses to expansive pastoral retreats and branded residences equipped with cutting-edge smart amenities.
The July Collection offers a singular moment for buyers to engage in an open, ambitious, and exhilarating transaction, where the cascade of bids honours the sheer stature of these magnificent pieces of real estate.
