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$5,999,999
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Property Description
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.
Full Property Details
Full Property Details for 18 Gwynne Rd
General
- Price: $5,999,999
- Taxes: $54,088
- Status: Active
- Type: Single Family
- Source: Long_Island
- MLS ID: 1031747
- Updated: 7/29/2026
- Added to Site: 30 day(s) ago
Interior
- Number of Rooms: 20
- Interior Features: First Floor Bedroom, First Floor Full Bath, Beamed Ceilings, Built-in Features, Cathedral Ceiling(s), Central Vacuum, Chandelier, Chefs Kitchen, Crown Molding, Double Vanity, Dry Bar, Eat-in Kitchen, ENERGY STAR Qualified Door(s), Entrance Foyer, Formal Dining, High Ceilings, His and Hers Closets, In-Law Floorplan, Kitchen Island, Marble Counters, Natural Woodwork, Open Kitchen, Other, Pantry, Primary Bathroom, Quartz/Quartzite Counters, Recessed Lighting, Soaking Tub, Sound System, Speakers, Storage, Tray Ceiling(s), Walk-In Closet(s), Whole House Entertainment System, Wired for Sound
- Fireplace: Yes
- Number of Fireplaces: 4
- Fireplace(s): Bedroom, Family Room, Living Room
- Appliances: Dishwasher, Dryer, Gas Cooktop, Microwave, Oven, Stainless Steel Appliance(s), Tankless Water Heater, Washer, Geothermal Water Heater, Wine Refrigerator
- Laundry Facilities: Yes
- Flooring: Hardwood, Tile
Rooms
Bathrooms
- Total Bathrooms: 9
- Full Bathrooms: 6
- Half Bathrooms: 3
Bedrooms
- Total Bedrooms: 6
Other Rooms
- Laundry: Laundry Room
Additional Information
- Pool: Yes
- Private Pool: Yes
- Pool Description: Fenced, In-Ground, Pool Cover, Salt Water, Solar Cover
- Security/Safety: Fire Sprinkler System, Security System
Exterior
- Exterior Features: Balcony, Courtyard, Garden, Rain Gutters, Speakers
- Porch/Patio/Deck: Patio, Porch, Terrace
Parking
- Garage: Yes
- Garage Spaces: 8
- Parking Features: Driveway, Garage, Heated Garage, Oversized
Location
- County: Suffolk County
- Cross Streets: Sweet Hollow Road
School Information
- High School District: Half Hollow Hills
- Elementary School: Sunquam Elementary School
- Middle School: West Hollow Middle School
- High School: Half Hollow Hills High School East
Heating & Cooling
- Cooling Type: Geothermal
- Heating Type: Geothermal, Propane, Radiant Floor, Other
Utilities
- Sewer: Septic Tank
- Water: Public
- Utility Description: Cable Connected, Electricity Connected, Natural Gas Connected, Trash Collection Public, Underground Utilities, Water Connected
Structural Information
- Architectural Style: Estate
- Detached/Attached: Detached
- Construction: Brick, Energy Star, Frame
- Basement: Yes
- Basement Desc.: Finished, Full Basement, See Remarks, Storage Space, Walk-Out Access
- Windows: Double Pane Windows, ENERGY STAR Qualified Windows, Floor to Ceiling Windows, Insulated Windows, Wall of Windows
- Sq. Ft. Source: Other
- Year Built: 2007
Additional Structures
- Other Structures: Garage(s)
Lot Features
- Property View: Skyline
- Lot Size (Acres): 2.3
- Lot Size (Sq. Ft.): 100,188
- Lot Features: Cul-De-Sac, Landscaped, Sprinklers In Front, Sprinklers In Rear, Stone/Brick Wall
Financial Considerations
- Tax Amount: $54,088.24
Disclosures and Reports
- Special Conditions: None
- Property ID: 0400-229-00-01-00-009-003
Listed by Nest Seekers LLC
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Schools
Schools serving 18 Gwynne Rd
School District:Half Hollow Hills Central School District
| Name | Grades | Distance |
|---|---|---|
Sunquam Elementary School 515 Sweet Hollow Road, Melville, NY 11747 | K-5 | 0.4 mi |
West Hollow Middle School 250 Old East Neck Road, Melville, NY 11747 | 6-8 | 1.8 mi |
Half Hollow Hills High School East 50 Vanderbilt Parkway, Dix Hills, NY 11746 | 9-12 | 3.1 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 18 Gwynne Rd
Date
Details
Price
Change
Source
7/29/2026
Listed
$5,999,999
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 18 Gwynne Rd
Year
Property Taxes
Change
Tax Assessment
Change
2024
$50,424
100%
$14,150
—
2020
-100%
$14,150
—
2022
$48,812
2%
$14,150
—
2021
$47,691
4%
$14,150
-13%
2020
$45,988
-13%
$16,300
—
2018
$52,939
3%
$16,300
—
2017
$51,270
2%
$16,300
—
2016
$50,221
1%
$16,300
—
2015
$49,601
3%
$16,300
—
2015
$48,219
4%
$16,300
—
2014
$46,321
3%
$16,300
—
2013
$44,892
—
$16,300
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 18 Gwynne Rd
18 Gwynne Road, Melville, NY 11747 (MLS# 1031747) is a Single Family property with 6 bedrooms, 6 full bathrooms and 3 partial bathrooms. 18 Gwynne Road is currently listed for $5,999,999 and was received on July 29, 2026. Want to learn more about 18 Gwynne Road? Do you have questions about finding other Single Family real estate for sale in West Hills? You can browse all West Hills real estate or contact a Coldwell Banker agent to request more information.
