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$5,999,999
69 Days On Site

18 Gwynne Road
Melville, NY 11747

For Sale|Single Family Residence|Active
6
Beds
9
Total Baths
6
Full Baths
3
Partial Baths
8,500
SqFt
$706
/SqFt
2007
Built
County:
Suffolk
Listing courtesy of Nest Seekers LLC casadelabarbera@yahoo.com

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18 Gwynne Road18 Gwynne Road18 Gwynne Road18 Gwynne Road
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Poised behind private gates atop one of Long Island's highest elevations, this extraordinary all-brick manor estate is a masterwork of timeless architecture and uncompromising luxury. Encompassing six lavish bedroom suites, six full baths, and three elegant powder rooms, the residence is surrounded by picturesque English gardens and acres of lush parkland, offering an unrivaled sense of serenity, privacy, and grandeur. Bordering an extensive network of scenic hiking and horseback riding trails, the estate offers a seamless connection to nature, creating an exceptional setting for outdoor recreation and equestrian pursuits. A true trophy estate, this one-of-a-kind property boasts its own FAA-recognized private helipad, providing the rare privilege of effortless helicopter access to Manhattan, the Hamptons, and beyond—transforming travel into an experience of unparalleled convenience. Every inch of this magnificent residence reflects exceptional craftsmanship and meticulous attention to detail. Rich custom millwork, exotic quarter-sawn hardwood floors, and imported marble finishes create an atmosphere of refined elegance, while state-of-the-art geothermal heating and cooling, radiant heated floors throughout, and advanced energy-efficient systems provide modern comfort without compromise. Designed for both everyday luxury and grand-scale entertaining, the estate features a spectacular gourmet eat-in chef's kitchen, an opulent primary suite worthy of a five-star resort, expansive guest or extended-family accommodations, four stately fireplaces, intricate bespoke ornamental ironwork, a comprehensive security system, and a heated driveway. The resort-inspired grounds are nothing short of extraordinary, showcasing a heated saltwater swimming pool and spa enhanced by cascading waterfalls, creating a private oasis of relaxation. Inside, an exceptional array of amenities awaits, including a starlit home theater, indoor squash court, full basketball court, professional-grade fitness center, game room, workshop, and beautifully appointed guest quarters. A residence of this caliber is exceptionally rare—where architectural excellence, cutting-edge innovation, and world-class amenities converge to create one of Long Island's most distinguished private estates. Additional Features: Energy-efficient insulated doors, elegant formal living and dining rooms, exquisite marble baths, generously appointed guest quarters, abundant storage and utility spaces, and an uncompromising commitment to craftsmanship, luxury, and enduring quality. This remarkable estate offers an unparalleled lifestyle where privacy, prestige, and sophisticated living exist in perfect harmony, presenting a once-in-a-generation opportunity to own one of Long Island's most iconic legacy properties.

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Listing Snapshot
Price 
$5,999,999
Days On Site 
69 Days
Bedrooms 
6
Inside Area (SqFt) 
8,500 sqft
Total Baths 
9
Full Baths 
6
Partial Baths 
3
Lot Size 
2.3 Acres
Year Built 
2007
MLS® Number 
1031747
Status 
Active
Property Tax 
$54,088.24
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
2 months agoListing first seen on site
2 months agoListing updated with changes from the MLS®
General Features
Acres 
2.3
Cross Street 
Sweet Hollow Road
Garage 
Yes
Garage Spaces 
8
Parking 
DrivewayGarageHeated GarageOversized
Property Sub Type 
Single Family Residence
Security 
Fire Sprinkler SystemSecurity System
Sewer 
Septic Tank
Style 
Estate
Utilities 
Natural Gas AvailableCable ConnectedElectricity ConnectedNatural Gas ConnectedUnderground UtilitiesWater Connected
Water Source 
Public
Interior Features
Appliances 
DishwasherDryerGas CooktopMicrowaveOvenStainless Steel Appliance(s)Tankless Water HeaterWasherWine Refrigerator
Basement 
FinishedFullStorage SpaceWalk-Out Access
Cooling 
Geothermal
Fireplace 
Yes
Fireplace Features 
BedroomFamily RoomLiving Room
Fireplaces 
4
Flooring 
HardwoodTile
Heating 
GeothermalPropaneRadiant FloorOther
Interior 
Beamed CeilingsBuilt-in FeaturesCathedral Ceiling(s)Central VacuumChandelierCrown MoldingDouble VanityDry BarEat-in KitchenEntrance FoyerHigh CeilingsHis and Hers ClosetsIn-Law FloorplanKitchen IslandNatural WoodworkOtherPantryRecessed LightingSoaking TubSound SystemStorageTray Ceiling(s)Walk-In Closet(s)Wired for Sound
Laundry Features 
Laundry Room
Window Features 
Double Pane WindowsENERGY STAR Qualified WindowsInsulated Windows
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Exterior Features
Construction Details 
BrickFrame
Exterior 
BalconyCourtyardGardenRain Gutters
Lot Features 
Cul-De-SacLandscapedSprinklers In FrontSprinklers In Rear
Other Structures 
Garage(s)
Patio And Porch 
PatioPorchTerrace
Pool Features 
FencedIn GroundPool CoverSalt WaterSolar CoverPrivate
Private Pool 
Yes
View 
Skyline
Waterview 
Skyline
Windows/Doors 
Double Pane WindowsENERGY STAR Qualified WindowsInsulated Windows
Community Features
School District 
Half Hollow Hills
Schools
School District
Half Hollow Hills
Elementary School
Sunquam Elementary School
Middle School
West Hollow Middle School
High School
Half Hollow Hills High School East
Listing courtesy of Nest Seekers LLC casadelabarbera@yahoo.com


Based on information submitted to the MLS GRID as of 2026-10-07 05:01 AM EDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

Neighborhood & Commute
Source: Walkscore
Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.
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