Skip to main content

MLS ID KEY1031747Last updated Jul 30, 2026

Single Family

18 Gwynne Road

Active · Huntington · Suffolk County, NY 11747

Bedrooms
6 Beds
Bathrooms
9 Baths
Year built
2007
Est. monthly taxes
$4,507.35
Property gallery0 / 45
Loading photo…Photo unavailable

About this home

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.

Listing snapshot

Days on site
59 days
Listed on MLS
Jul 29, 2026
Full baths
6
Half baths
3
Annual property tax (MLS)
$54,088.24
Tax year
2025
Area source (MLS)
Other
Listing brokerage
Nest Seekers LLC
MLS ID
KEY1031747
Last updated
Jul 30, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
2007
Garage
Yes
Garage spaces
8
Parking
Driveway, Garage, Heated Garage, Oversized
Water source
Public
Sewer
Septic Tank
Utilities
Cable Connected, Electricity Connected, Natural Gas Connected, Trash Collection Public, Underground Utilities, Water Connected

Interior features

Basement
Finished, Full, See Remarks, Storage Space, Walk-Out Access
Heating
Geothermal, Propane, Radiant Floor, Other
Cooling
Geothermal
Interior
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
Appliances
Dishwasher, Dryer, Gas Cooktop, Microwave, Oven, Stainless Steel Appliance(s), Tankless Water Heater, Washer, Geothermal Water Heater, Wine Refrigerator
Flooring
Hardwood, Tile
Fireplace
Yes
Fireplaces
4

Exterior features

Architectural style
Estate
Construction materials
Brick, Energy Star, Frame
Exterior
Balcony, Courtyard, Garden, Rain Gutters, Speakers
Private pool
Yes

Schools (MLS)

Elementary school
Sunquam Elementary School
Elementary school district
Half Hollow Hills
Middle school
West Hollow Middle School
Middle school district
Half Hollow Hills
High school
Half Hollow Hills High School East
High school district
Half Hollow Hills

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

  1. First seen on this site
  2. Listing updated from MLS
  3. MLS status changed

Location

Huntington · Suffolk County, NY 11747Show interactive map
18 Gwynne Road

Huntington · Suffolk County, NY 11747

Google Maps directions

Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
MLS amounts are prefilled when available and can be edited. Confirm what fees include. Unknown fee frequencies cannot be converted automatically.Property expenses: MLS values where available; missing values stay blank.

Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

Estimated monthly total of entered costs—

Excludes insurance, mortgage insurance, special assessments and lender fees. MLS taxes may reflect abatements or exemptions and can change.

Listing data is supplied by the MLS and may change without notice.