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19 Mallard DriveLloyd Harbor, NY 11743

For Sale

$4,680,000

Smart Buyer Rebate $46,800

Discover unparalleled luxury and serenity at Swan’s Cove, a stunning waterfront estate perched on Lloyd Neck overlooking Oyster Bay and Central Island. This exquisite retreat offers a rare combination of oceanfront tranquility, natural beauty, and elegant living. Nestled on a private road, this 10,500 sq. ft. fortress spans three levels of breathtaking water-view living. With dramatic high ceilings and an abundance of natural light, the home seamlessly blends sophistication with comfort. Exceptional Interior Features Grand Living Spaces: Formal living and dining rooms designed for entertaining. Chef’s Kitchen: Outfitted with Sub-Zero, Wolf, and Miele appliances, ideal for culinary enthusiasts. Luxurious Suites: A divine master wing, four additional en-suite bedrooms, and a separate guest wing. Wellness Amenities: A fully enclosed indoor spa pool (18’x36’), sauna, gym, and tearoom. Entertainment Excellence: Private movie theater, multi-level outdoor decks totaling 2,247 sq. ft., and four cozy fireplaces. Modern Conveniences: Elevator, whole-house generator, updated heating systems, and gas cooking. Outdoor Paradise Private Beach Access & Dock: Enjoy exclusive waterfront activities, with boat slips available. Magnificent Views: Western exposure provides nightly sunsets and sweeping vistas of Cold Spring Harbor. This diamond-condition estate perfectly combines coastal charm with modern luxury, creating a timeless sanctuary for year-round living or seasonal escapes. Come home to Swan’s Cove and embrace the ultimate waterfront lifestyle in Lloyd Harbor. Recreational Opportunities: Access to tennis courts, parks, and children’s camps in the village. Enhanced Security: Active village police surveillance and high-tech systems for peace of mind.

Listed by Huailing Deng

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Daniel Gale Sothebys Intl Rlty

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516-759-4800

Listed by Rui Zhang CBR

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Daniel Gale Sothebys Intl Rlty

Last updated October 24, 2025

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Source: OneKey #806473

Listing Facts

  • TypeSingle-family
  • NeighborhoodHuntington
  • Bedrooms6
  • Bathrooms9
  • Days on Prevu302
  • HOA/Maint. Fees$1,200/annual
  • Taxes$49,463.3/year
  • Size10,500 sqft
  • Price per sqft$446

Amenities

  • Dishwasher
  • Washer/Dryer
  • Air Conditioning
  • Elevator

Location

Mortgage Calculator

Listing History

10/24/2025
Price Decreased
$4,680,000
04/14/2025
Price Decreased
$4,780,000
12/28/2024
Status changed to Active
$4,980,000
12/28/2024
Listed by Daniel Gale Sothebys Intl Rlty
$4,980,000

Property Details for 19 Mallard Drive

Association

Fees

  • Association Fee: $1,200.00 Annually
  • Association Fee Includes: Common Area Maintenance, Other, Snow Removal

Exterior

Construction

  • Property Condition: Updated/Remodeled
  • Year Built: 1988
  • Architectural Style: Colonial
  • Construction Materials: Advanced Framing Technique, Cedar, Fiberglass Insulation, Frame, Wood Siding

Features

  • Waterfront Features: Beach Access
  • Waterfront: Yes

Measurements

  • Building Area Total: 10,500
  • Building Area Units: Square Feet
  • Lot Size Acres: 2.78
  • Lot Size Square Feet: 87,120

Financial

Taxes

  • Parcel Number: 0403-006-00-02-00-016-002
  • Tax Annual Amount: $49,463.30
  • Tax Assessed Value: $15,900.00
  • Tax Year: 2024

Interior

Features

  • Appliances: Cooktop, Dishwasher, Dryer, Freezer, Microwave, Oven, Refrigerator, Oil Water Heater
  • Fireplace: Yes
  • Fireplaces Total: 4
  • Flooring: Hardwood
  • Interior Features: First Floor Bedroom, Cathedral Ceiling(s), Ceiling Fan(s), Central Vacuum, Chandelier, Eat-in Kitchen, Elevator, Entertainment Cabinets, Entrance Foyer, Formal Dining, Granite Counters, Primary Bathroom, Master Downstairs, Pantry, Sauna, Speakers, Walk-In Closet(s), Wet Bar
  • Spa Features: Bath

Measurements

  • Living Area: 10,500
  • Living Area Source: Plans

Rooms

  • Basement: Finished, Full
  • Has Basement: Yes
  • Bathrooms Full: 6
  • Bathrooms Half: 3
  • Bathrooms Total Integer: 9
  • Bedrooms Total: 6
  • Rooms Total: 14

Other

Location

  • Tax Block: 0002
  • Tax Lot: 16

Parking

Parking

  • Garage Spaces: 3
  • Garage: Yes

Schools

Elementary School

  • Elementary School: Lloyd Harbor School
  • Elementary School District: Cold Spring Harbor

High School

  • High School: Cold Spring Harbor High School
  • High School District: Cold Spring Harbor

Middle or Junior School

  • Middle Or Junior School: Cold Spring Harbor High School
  • Middle Or Junior School District: Cold Spring Harbor

Utilities

Equipment

  • Cooling: Central Air
  • Heating: Forced Air, Oil
  • Sewer: Cesspool
  • Utilities: See Remarks
  • Water Source: Public

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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.