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Back 15 Emmet Drive
Off Market

15 Emmet Drive

Head of the Harbor NY 11790

11
7
3
9411 sq. ft.
178596 sq. ft.
Single-Family
Last sold for $3,600,000
Michael FoleyMichael Foley, last sold this property on 10 December 2025 after 1250 days on market.

Overview

Commanding an incomparable position on Stony Brook Harbor, The Mallows stands as one of the most extraordinary and architecturally significant waterfront estates on Long Island’s North Shore. With over 300 feet of private shoreline and unobstructed panoramic west-facing views, this historic masterpiece captures awe-inspiring sunsets that stretch across the Long Island Sound to the Connecticut horizon. The setting is one of pure serenity and prestige—where every room frames the water and every evening ends in color. Originally commissioned by the Astor family and designed by renowned architect Charles Platt, the estate spans over four acres of manicured grounds blending Gilded Age grandeur with refined modern luxury. Outdoor living is elevated with a heated saltwater pool, spa, private tennis court, waterfront gazebo, vegetable gardens, and a charming chicken coop. Inside, 11 bedrooms, 5.5 baths, and 14 fireplaces showcase timeless craftsmanship and architectural excellence, highlighted by a glass conservatory off the primary suite and a four-season sunroom offering sweeping harbor vistas. The chef’s kitchen features Viking and Sub-Zero appliances and opens seamlessly to an elegant formal dining room ideal for entertaining. Additional luxuries include a three-bedroom guest cottage, three-level elevator, and wine cellar. This offering represents a rare and timely opportunity to own one of the North Shore’s most coveted legacy estates—a property of unmatched beauty, provenance, and waterfront presence. Perfectly located near Stony Brook Yacht Club, Avalon Nature Preserve, and Stony Brook Village, The Mallows is not just a home—it is an enduring statement of elegance, privacy, and coastal grandeur.

Features

11 bedrooms
7 bathrooms
3 carspaces
3 garage spaces
9411 sq. ft. floor area
178596 sq. ft. lot size
Single-Family

Estimated Value

We need at least 3 similar 11 bedroom single-family properties sold in Head of the Harbor over the last 12 months.

Property history for 15 Emmet Drive

2025
Sold
$3,600,000
10 Dec 2025 by Michael Foley, of Frontline Realty Group LLC

Happy sellers in Head of the Harbor

95%
95% of sellers in Head of the Harbor reported that their sale price either exceeded or met their price expectations.

Head of the Harbor stands out for consistently delivering exceptional satisfaction and strong market results for homeowners.

This is based on voluntary sentiment collected from 4 reviews in Head of the Harbor over the last 12 months.

Local market activity for 11 bedroom single-family properties in Head of the Harbor

Nearby agents

Compare and contact these top performing agents who’ve delivered exception customer service for their clients in Head of the Harbor

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Gina Amen

Gina Amen is a recommended agent for Head of the Harbor.  They have 5 local sales and collected 1 local review across the last 12 months.

  •   5   (2 reviews)
  •  1 Review in Head of the Harbor
  •  5 Sales in Head of the Harbor
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Richard Wiederman

Richard Wiederman is a recommended agent for Head of the Harbor.  They have 1 local sale and collected 1 local review across the last 12 months.

  •   5   (3 reviews)
  •  1 Review in Head of the Harbor
  •  1 Sale in Head of the Harbor
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Kelly Burke Kelly

Kelly Burke Kelly is a recommended agent for Head of the Harbor.  They have 1 local sale and collected 1 local review across the last 12 months.

  •   5   (3 reviews)
  •  1 Review in Head of the Harbor
  •  1 Sale in Head of the Harbor
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Janet Foley

Janet Foley is a recommended agent for Head of the Harbor.  They have collected 1 local review across the last 12 months.

  •   5   (6 reviews)
  •  1 Review in Head of the Harbor
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