New
$5,750,000
5 bd · 7.5 ba · 8,505 sqft · 3.30 acre lot
3875 Hallock Ln, Mattituck, NY 11952
Single family · Built 2002 · $676/sqft ·
$32,889/mo est. payment
- Garage
- 3 cars
3D tourFlood factor 1/10
About this home
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.
Facts and features
Bedrooms
- Bedrooms: 5
Other Rooms
- Total Rooms: 20
- Basement Features: Finished, Full
Bathrooms
- Total Bathrooms: 8
- Full Bathrooms: 7
- 1/2 Bathrooms: 1
Interior Features
- First floor bedroom
- First floor full bath
- Cathedral ceiling(s)
- Eat-in kitchen
- Entrance foyer
- Formal dining
- Pantry
- Primary bathroom
Appliances
- Dishwasher
- Dryer
- Microwave
- Oven
- Range
- Refrigerator
- Stainless steel appliance(s)
- Washer
Heating and Cooling
- Cooling Features: Central Air
- Heating Features: Forced Air, Propane
- Heating: Yes
- Number of Fireplaces: 4
Exterior and Lot Features
- Balcony
- Patio And Porch Features: Patio, Porch
- Patio: Yes
- Porch: Yes
Land Info
- Additional Parcels: No
- Lot Size Acres: 3.3
- Lot Size Square Feet: 143748
Schools
- 6
Mattituck Junior Senior High School
middle · 7-12 · 3.0 mi
- 7
Mattituck Cutchogue Elementary School
elementary · K-6 · 6.3 mi
Peconic Community School
elementary · K-8 · 4.6 mi
Our Redeemer Lutheran School of Aquebogue
elementary · K-6 · 4.7 mi
Price history
- Jul 28, 2026 · Price Changed$5,750,000
- Jun 30, 2026 · Listing Removed$8,200,000
- Jun 14, 2026 · Listing Removed—
- Mar 11, 2026 · Price Changed$6,999,000
- Oct 17, 2025 · Price Changed$7,500,000
- Sep 2, 2025 · Listed$8,500,000
- Dec 15, 2022 · Sold$3,925,000
- Nov 1, 2022 · Sold$3,925,000
Tax history
- 2025$43,944 tax · $26,200 assessed
- 2024$40,997 tax · $26,200 assessed
- 2023$39,729 tax · $26,200 assessed
- 2022$39,056 tax · $26,200 assessed
- 2021$37,989 tax · $26,200 assessed
- 2020$37,493 tax · $26,200 assessed
- 2018$37,104 tax · $26,200 assessed
- 2017$36,644 tax · $26,200 assessed
Home value
$5,502,000
- Collateral Analytics$5,502,000
- Cotality$5,386,100
Where it is
Listed by Kristy B. Naddell · Douglas Elliman Real Estate · OneKeyMLS
