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5 Beds
8 Baths
8,505 sqft

$5,750,000

3875 Hallock Lane, Mattituck NY, 11952

Price per sqft$676.07
Built in2002
Property size8,505 sqft
Property typeResidential
Courtesy of Douglas Elliman Real Estate, Kristy B. Naddell Listing Contact: 631-354-8100

Overview

Active

Listed Sep 2, 2025

Updated 3 days ago

Welcome to Lion’s Gate on the Sound, a premier waterfront estate set on over 3 private, gated acres along the Long Island Sound in Mattituck. This move-in-ready sanctuary blends timeless architecture with modern luxury, offering unmatched privacy and sweeping coastal views. A newly resurfaced driveway leads through electronic gates to beautifully lit grounds featuring a restored gazebo, lush lawns, and thoughtful landscaping. Inside, the home shines with freshly refinished hardwood floors, custom details, and a reimagined primary suite with spa-like finishes. Smart-home automation, new TVs, and elegant upgrades enhance everyday living. The finished lower level offers a professional gym, billiard room, and custom bar, while the upgraded garage with epoxy floors and smart tech is ideal for car enthusiasts. Outdoors, enjoy a new dining pavilion, full irrigation, and multiple vantage points for stunning sunsets over the Sound. Perfectly located near vineyards, farm stands, and charming village life, Lion’s Gate on the Sound is more than a home, it’s a legacy estate of luxury, seclusion, and natural beauty. Seller working to obtain pool permit.

$38,255/mo

Est. mortgage payment based on a $5,750,000 home price.

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

Additional information

MLS® ID
907439

Interior Features

Bedrooms
5
Bathrooms
8
Fireplace
Yes
Cooling
Yes
Heating
Yes
Basement
Yes

Exterior Features

Lot Size
3.3 Acres

Other Property Details

Taxes
$43,945
Tax Frequency
Annually
Garage
Yes
View
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 Richard Connelly 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 5:15 AM UTC on 9/19/2026. 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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