18 Gwynne Road

Melville, NY
$ 5,999,999 Beds 6 Baths 7.5 Sq 8,500
Monthly Estimate* How much can I afford?

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.

Single Family

  • Price
  • $ 5,999,999
  • City
  • Melville
  • Bedrooms
  • 6
  • Full Bathrooms
  • 6
  • County
  • SUFFOLK
  • Half Bathrooms
  • 3
  • Area
  • Lot Size
  • 2.3 Acres
  • Zip
  • 11747
  • Sqr Footage
  • 8,500
  • Year Built
  • 2007
  • Taxes
  • $ 54088
  • Style
  • Estate
  • MLS#
  • 1031747
Listed By: Nest Seekers LLC
Data Source: Listings courtesy of OneKey® MLS as distributed by MLS GRID

Features

General

Sewer Septic Tank
Heating Geothermal,Propane,Radiant Floor,Other
Cooling Geothermal
Utilities Cable Connected,Electricity Connected,Natural Gas Connected,Trash Collection Public,Underground Utilities,Water Connected
Appliances Dishwasher,Dryer,Gas Cooktop,Microwave,Oven,Stainless Steel Appliance(s),Tankless Water Heater,Washer,Geothermal Water Heater,Wine Refrigerator
Garage Spaces 8
Patio/Porch Features Patio,Porch,Terrace
Architectural Style Estate
Pool Features Fenced,In Ground,Pool Cover,Salt Water,Solar Cover
Security Features Fire Sprinkler System,Security System
Construction Materials Brick,Energy Star,Frame
Year Built 2007
View Skyline
Property Subtype Single Family Residence
Tax Year 2025
Parcel Number 0400-229-00-01-00-009-003
County Suffolk County
Property Type Residential
HOA No
Garage Y/N Yes
Other Structures Garage(s)
Total Rooms 20
Full Baths 6
High School Half Hollow Hills High School East
City Huntington
Senior Community Y/N No
High School District Half Hollow Hills
Carport Y/N No
Elementary School Sunquam Elementary School
Property Attached Y/N No
Tax Annual Amount 54088.24
Middle/Junior High School West Hollow Middle School
Additional Parcels Y/N No
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Half Hollow Hills
Elementary School District Half Hollow Hills
Tax Assessed Value 14150
PostalCity Melville
AttributionContact 516-922-2878
Balcony Y/N Yes
Listing Appliances Dishwasher, Dryer, Gas Cooktop, Microwave, Oven, Stainless Steel Appliance(s), Tankless Water Heater, Washer, Geothermal Water Heater, Wine Refrigerator

Interior Features

Interior Amenities 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
Basement Finished,Full,See Remarks,Storage Space,Walk-Out Access
Flooring Hardwood,Tile
Total Fireplaces 4
Fireplace Features Bedroom,Family Room,Living Room
Formal Dining Yes
Basement Features Finished, Full, See Remarks, Storage Space, Walk-Out Access
Basement (Y/N) Yes
Window Features Double Pane Windows,ENERGY STAR Qualified Windows,Floor to Ceiling Windows,Insulated Windows,Wall of Windows
Fireplace Y/N Yes
Half Baths 3
Total Bedrooms 6
Eat-in Kitchen Yes
Total Baths 9
General 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
Walk-In Closet Yes
Entrance Foyer Yes

Exterior Features

Exterior Amenities Balcony,Courtyard,Garden,Rain Gutters,Speakers
Parking Features Driveway,Garage,Heated Garage,Oversized
Water Source Public
Parking Features Driveway, Garage, Heated Garage, Oversized
Waterfront Y/N No
General Features Ext. Balcony,Courtyard,Garden,Rain Gutters,Speakers

Amenities

  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult 55+
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Primary On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Affordability Calculator

$3,786

Per Month

Based on the average sale price from the Bay Shore, NY office

  • Monthly Principal & interest $2,658
  • Monthly Property Taxes $1,062
  • Monthly Home Insurance $67
Adjust Payment Options
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Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA, or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

Schools

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

Price History

7/29/2026 Listed $5,999,999

Property vs Zip Code Average in 11747

Price
AVG $1.71M
$6M
Taxes
AVG $20,793
$54,088
Year Built
AVG 1983
2007
Visits
AVG 64
14
Data Provided by Inside Real Estate®

Areas That We Cover

18 Gwynne Road Melville, NY is a Single Family Home for sale at $5999999 with 8500 sqft and a lot size of 2.3 Acres Acre(s). 18 Gwynne Road Melville has 6 bedrooms, 6 baths and was built in 2007. The property's zip code is 11747 which is in Melville, NY

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

All information deemed reliable, but not guaranteed, and should be independently verified. The real estate information and related content displayed on this site is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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Terry Comacho

Terry Comacho

631-983-4944

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