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18 Gwynne RoadMelville, NY 11747

For Sale

$5,999,999

Smart Buyer Rebate $60,000

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.

Listed by Michelle Labarbera

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Nest Seekers LLC

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516-922-2878

Listed by Andre V. Labarbera

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Nest Seekers LLC

Last updated July 30, 2026

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Source: OneKey #1031747

Listing Facts

  • TypeSingle-family
  • NeighborhoodWest Hills
  • Bedrooms6
  • Bathrooms9
  • Days on Prevu2
  • Taxes$54,088.24/year
  • Size8,500 sqft
  • Price per sqft$706

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

07/29/2026
Listed by Nest Seekers LLC
$5,999,999

Property Details for 18 Gwynne Road

Exterior

Construction

  • Window Features: Double Pane Windows, ENERGY STAR Qualified Windows, Floor To Ceiling Windows, Insulated Windows, Wall Of Windows
  • Year Built: 2007
  • Architectural Style: Estate
  • Construction Materials: Brick, Energy Star, Frame
  • Exterior Features: Balcony, Courtyard, Garden, Rain Gutters, Speakers

Features

  • Other Structures: Garage(s)
  • Patio And Porch Features: Patio, Porch, Terrace
  • Pool Features: Fenced, In Ground, Pool Cover, Salt Water, Solar Cover
  • Pool Private: Yes
  • View: Skyline

Measurements

  • Building Area Units: Square Feet
  • Lot Features: Cul-De-Sac, Landscaped, Sprinklers In Front, Sprinklers In Rear, Stone/Brick Wall
  • Lot Size Acres: 2.30
  • Lot Size Square Feet: 100,188

Financial

Taxes

  • Parcel Number: 0400-229-00-01-00-009-003
  • Tax Annual Amount: $54,088.24
  • Tax Assessed Value: $14,150.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Dishwasher, Dryer, Gas Cooktop, Microwave, Oven, Stainless Steel Appliance(s), Tankless Water Heater, Washer, Geothermal Water Heater, Wine Refrigerator
  • Fireplace Features: Bedroom, Family Room, Living Room
  • Fireplace: Yes
  • Fireplaces Total: 4
  • Flooring: Hardwood, Tile
  • 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

Measurements

  • Living Area: 8,500
  • Living Area Source: Other

Rooms

  • Basement: Finished, Full, See Remarks, Storage Space, Walk-Out Access
  • Has Basement: Yes
  • Bathrooms Full: 6
  • Bathrooms Half: 3
  • Bathrooms Total Integer: 9
  • Bedrooms Total: 6
  • Rooms Total: 20

Parking

Parking

  • Garage Spaces: 8
  • Garage: Yes
  • Parking Features: Driveway, Garage, Heated Garage, Oversized

Schools

Elementary School

  • Elementary School: Sunquam Elementary School
  • Elementary School District: Half Hollow Hills

High School

  • High School: Half Hollow Hills High School East
  • High School District: Half Hollow Hills

Middle or Junior School

  • Middle Or Junior School: West Hollow Middle School
  • Middle Or Junior School District: Half Hollow Hills

Utilities

Equipment

  • Cooling: Geothermal
  • Heating: Geothermal, Propane, Radiant Floor, Other
  • Laundry Features: Laundry Room
  • Sewer: Septic Tank
  • Utilities: Cable Connected, Electricity Connected, Natural Gas Connected, Trash Collection Public, Underground Utilities, Water Connected
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 6 bedrooms and 9 bathrooms in this single-family home at 18 Gwynne Road.

What schools are nearby to 18 Gwynne Road?

Nearby schools include the Sunquam Elementary School, West Hollow Middle School, and Half Hollow Hills High School East.

Does this single-family home have parking?

Yes, there are 8 parking spaces available for 18 Gwynne Road.

What are the annual taxes for 18 Gwynne Road?

Annual taxes for this single-family home are estimated at $54,088.

How does 18 Gwynne Road compare to other single-family homes in West Hills?

This single-family home is listed 308% above the average price for single-family homes in West Hills and has been on the market for 30 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 8,500 sqft.

18 Gwynne Road is a 6-bedroom, 9-bath single-family home for sale in Melville NY 11747. Available on Prevu for 2 days at $5,999,999. This property features 8,500 square feet of living space, located in West Hills. The median listing price for single-family homes in this area is $1,299,000. Nearby schools include Sunquam Elementary School, West Hollow Middle School, and Half Hollow Hills High School East. Property amenities include private outdoor space, dishwasher, parking, swimming pool, and washer/dryer. Explore more single-family home listings in Suffolk County.

The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey™ MLS. The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed. This information is provided exclusively for consumers’ personal, non-commercial use. Information Copyright 2026, OneKey™ MLS. All Rights Reserved.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.