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3875 Hallock LaneMattituck, NY 11952

For Sale

$7,500,000

Smart Buyer Rebate $75,000

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. Pool permit pending.

Listed by Kristy B. Naddell

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Douglas Elliman Real Estate

·

631-354-8100

Last updated October 16, 2025

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Source: OneKey #907439

Listing Facts

  • TypeSingle-family
  • NeighborhoodMattituck
  • Bedrooms5
  • Bathrooms8
  • Days on Prevu53
  • Taxes$42,666/year
  • Size8,505 sqft
  • Price per sqft$882

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Air Conditioning
  • Parking

Location

Mortgage Calculator

Listing History

10/17/2025
Price Decreased
$7,500,000
09/02/2025
Listed by Douglas Elliman Real Estate
$8,500,000

Property Details for 3875 Hallock Lane

Exterior

Construction

  • Year Built: 2002
  • Architectural Style: Estate
  • Construction Materials: Frame
  • Exterior Features: Balcony

Features

  • Patio And Porch Features: Patio, Porch
  • View: Panoramic, Water
  • Waterfront Features: Beach Access, Beach Front, Sound, Water Access, Waterfront
  • Waterfront: Yes

Measurements

  • Building Area Units: Square Feet
  • Lot Size Acres: 3.30
  • Lot Size Square Feet: 143,748

Financial

Taxes

  • Parcel Number: 1000-112-00-01-00-008-004
  • Tax Annual Amount: $42,666.00
  • Tax Assessed Value: $26,200.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Dishwasher, Dryer, Microwave, Oven, Range, Refrigerator, Stainless Steel Appliance(s), Washer, Indirect Water Heater
  • Fireplace: Yes
  • Fireplaces Total: 4
  • Flooring: Hardwood
  • Interior Features: First Floor Bedroom, First Floor Full Bath, Cathedral Ceiling(s), Eat-in Kitchen, Entrance Foyer, Formal Dining, Pantry, Primary Bathroom, Master Downstairs, Quartz/Quartzite Counters, Walk-In Closet(s)

Measurements

  • Living Area: 8,505
  • Living Area Source: Other

Rooms

  • Basement: Finished, Full
  • Has Basement: Yes
  • Bathrooms Full: 7
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 8
  • Bedrooms Total: 5
  • Rooms Total: 20

Parking

Parking

  • Garage Spaces: 3
  • Garage: Yes
  • Parking Features: Attached, Private

Schools

Elementary School

  • Elementary School: Mattituck-Cutchogue Elementary Sch
  • Elementary School District: Mattituck-Cutchogue

High School

  • High School: Mattituck Junior-Senior High School
  • High School District: Mattituck-Cutchogue

Middle or Junior School

  • Middle Or Junior School: Mattituck Junior-Senior High School
  • Middle Or Junior School District: Mattituck-Cutchogue

Utilities

Equipment

  • Cooling: Central Air
  • Heating: Forced Air, Propane
  • Sewer: Cesspool
  • Utilities: Electricity Connected
  • Water Source: Well

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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.