For Sale
3D Tour3D Tour
Single family home for sale at 3875 Hallock Ln, Southold, NY 11952 | MLS# 907439 | Listing updated on 2026-09-18
Photo 1 of Single family home for sale at 3875 Hallock Ln, Southold, NY 11952 | MLS# 907439 | Listing updated on 2026-09-18
Photo 2 of Single family home for sale at 3875 Hallock Ln, Southold, NY 11952 | MLS# 907439 | Listing updated on 2026-09-18
Photo 3 of Single family home for sale at 3875 Hallock Ln, Southold, NY 11952 | MLS# 907439 | Listing updated on 2026-09-18
Photo 4 of Single family home for sale at 3875 Hallock Ln, Southold, NY 11952 | MLS# 907439 | Listing updated on 2026-09-18
42+
Beds Icon

Virtual Tour

Beds Icon

Street View

$5,750,000

Monthly Est:$28,620

  • Beds Icon5 Beds
  • Beds Icon
    8 Baths
  • Beds Icon8,505sqft

3875 Hallock Ln, Southold, NY 11952

$28,620/moEst:

Get Pre-Approved

  • Single Family Residence

  • Built in 2002

  • $-- HOA

  • 3.3 acres lot

  • $676/sq.ft

Description

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.

  • Houzeo last checked: 10 minutes ago
  • Listing updated: September 18, 2026 at 3:34 pm
  • Listing Provided by: Kristy B. Naddell (631) 905-8584 | Douglas Elliman Real Estate (631) 354-8100
  • Source: OneKey MLS-NY | MLS#: 907439 OneKey MLS-NY

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    -

  • County

    Suffolk County

  • City

    Southold

  • Neighborhood

    --

  • Year Built

    2002

  • HOA Fees

    -

  • Finished Area

    8,505 sqft

  • Lot Size

    3.3 acres lot

  • Basement Area

    - sqft

  • MLS Name

    OneKey MLS

  • MLS Number

    907439

  • MLS Status

    Active

  • Days on Market

    401

  • Cumulative Days on Market

    381

Continue Your Journey in App

Find your dream home, receive real-time updates, and many more!

Location

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 5

    Bathrooms: 8

Interior

  • Exterior Features

    Balcony

  • 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)

  • Appliances

    Dishwasher, Dryer, Microwave, Oven, Range, Refrigerator, Stainless Steel Appliance(s), Washer, Indirect Water Heater

  • Sewer

    Cesspool

  • Flooring

    Hardwood

  • Heating

    Forced Air, Propane

  • Cooling

    Central Air

Construction

  • Year Built

    Year Built: 2002

  • Home type

    Single Family Residence

  • Architectural Style

    Estate

  • Construction Materials

    Frame

Utilities & Energy

  • Parking Features

    Attached, Private

  • Utilities

    Electricity Connected

  • Basement

    Finished, Full

  • Water Source

    Well

Other Features

  • Patio And Porch Features

    Patio, Porch

Price History

DateEventPrice

07/28/2026

Source: mls_logoOneKey MLS-NY #KEY907439

Price Decreased

$5,750,000 -17.85%

$676/sqft

03/11/2026

Source: mls_logoOneKey MLS-NY #KEY907439

Price Decreased

$6,999,000 -6.68%

$823/sqft

10/16/2025

Source: mls_logoOneKey MLS-NY #KEY907439

Price Decreased

$7,500,000 -11.76%

$882/sqft

09/02/2025

Source: mls_logoOneKey MLS-NY #KEY907439

Listed for Sale

$8,500,000

$999/sqft

Nearby Homes

Based on information from OneKey MLS, through Oct 09, 2026, 11:03AM. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. © 2026 OneKey® MLS. All rights reserved.

Advertising Broker: Derek Greene | The Greene Realty Group