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6 Beds
9 Baths
10,500 sqft

$3,495,000

19 Mallard Drive, Lloyd Harbor NY, 11743

Price per sqft$332.86
Built in1988
Property size10,500 sqft
Property typeResidential
Courtesy of EXP Realty, Anthony LaBella Listing Contact: 888-276-0630

Overview

Active

Listed Apr 16, 2026

Updated 12 min ago

Swan’s Cove: a Lloyd Neck Gold Coast waterfront estate where the setting is finished and the next chapter is yours to design. Some properties simply can’t be recreated. Swan’s Cove sits at the end of a private road on acreage that Lloyd Neck’s storied Gold Coast rarely offers, with Long Island Sound and Oyster Bay stretching across the horizon, from silver morning mist to gold-lit sails to a full western sunset. The land, the views, the privacy and the Cold Spring Harbor School District are already in place. So is the scale: an expansive, multi-level Colonial with a footprint most new construction can’t match, soaring beamed and cathedral ceilings, an elevator, fireplaces, a finished lower level, a main-level primary suite, en-suite bedrooms throughout and a fully separate guest wing. There is a chef’s kitchen with Sub-Zero, Wolf and Miele appliances, an indoor spa complex with pool, sauna and gym, a private tearoom, a home theater built for a proper premiere night, generous multi-level decking made for sunsets over the water, and a three-car garage. Now imagine it redesigned. Open the main level to the water with walls of glass. Create a modern kitchen and great room, spa-style baths, and new mechanicals and finishes throughout. Add a new facade, landscape design and outdoor living space worthy of the view. Waterfront estates at this scale, on this much land in this school district, rarely come to market, and the ones that do almost never offer this much room to shape them. A thoughtful renovation turns an inherited layout into a true signature residence and creates value you design yourself, instead of paying a premium for someone else’s finish. Beyond the property line, ownership comes with membership in a rare community: Lloyd Harbor’s private beach and park, with tennis, summer camp, a boat ramp and mooring rights all within reach. Swan’s Cove is for the buyer who sees a legacy property where others see a project. Bring your architect, bring your builder, bring your vision, and call today to walk the property and see what it could become.

$23,252/mo

Est. mortgage payment based on a $3,495,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
986062

Interior Features

Bedrooms
6
Bathrooms
9
Fireplace
Yes
Cooling
Yes
Heating
Yes
Basement
Yes

Exterior Features

Lot Size
2.79 Acres

Other Property Details

Taxes
$59,947
Tax Frequency
Annually
Association Fee Frequency
Yearly
Garage
Yes
Pool
Yes
Waterfront
Yes
55+/Senior Community
No

Listings courtesy of OneKey MLS as distributed by MLS GRID

All information deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) nor Irene Sarri shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Properties displayed may be listed or sold by various participants in the MLS.

Based on information submitted to the MLS GRID as of 9:32 PM UTC on 10/29/2026. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

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OneKey MLS. All rights reserved.

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