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31 Thompson LaneHead Of The Harbor, NY 11780

For Sale

$2,199,000

Smart Buyer Rebate $21,990

Beautifully situated directly on Stony Brook Harbor, this exceptional waterfront residence offers captivating water views, remarkable privacy and an extraordinary level of custom craftsmanship. Completed in 2024 with no expense spared, the home is a study in sophisticated design, exceptional materials and meticulous execution. With walls of glass framing the harbor and interiors distinguished by one remarkable detail after another, it has the presence and polish of a home that could have been lifted from the pages of Architectural Digest.

Every element feels considered. Soaring ceilings and six-inch-wide white oak flooring establish a sense of warmth and scale, complemented by exceptional millwork, custom solid-wood doors, bespoke cabinetry and authentic 1800s barn beams incorporated as architectural accents. Walls of Andersen casement windows and transoms fill the interiors with natural light, while distinctive ceiling treatments and carefully selected finishes give each room its own character.

A sculptural curved staircase creates one of the home’s most memorable architectural moments. Beautifully crafted in solid white oak, its graceful form and open design feel more like a piece of custom architecture than a traditional staircase, bringing another layer of artistry to the interior.

The custom chef’s kitchen is a statement in both design and craftsmanship, pairing beautifully crafted white cabinetry and designer hardware with dramatic white marble waterfall countertops, a six-burner Viking range and oven, paneled Sub-Zero refrigeration and top-tier appliances. Authentic antique barn beams introduce warmth and architectural character, while radiant-heated floors, an impressive center island and a window-wrapped dining area with French sliding doors opening to the bluestone patio create an exceptional space for both entertaining and everyday living.

The great room takes full advantage of its waterfront setting, with walls of windows framing Stony Brook Harbor, while a gas fireplace, beautifully detailed solid white oak ceilings and custom millwork bring warmth and architectural depth to the space.

The entire second floor is devoted to the primary suite, creating an exceptionally private retreat with a custom walk-in closet and spa-like bath beautifully appointed in authentic white marble, featuring a soaking tub, oversized marble shower with built-in bench, radiant-heated floors and a coordinating marble vanity. A separate waterfront sitting room opens through French doors to an expansive Ipe deck overlooking Stony Brook Harbor—a serene place for morning coffee or unwinding as the light changes across the water. A separate private gym completes this remarkable level, creating a retreat devoted entirely to comfort, wellness and privacy.

Additional bedrooms and baths continue the home’s bespoke approach, with distinctive materials and custom details giving each space its own character. Even the practical spaces have been thoughtfully considered, including a mudroom and striking custom lower-level entry with wood-paneled walls, integrated lighting and built-in storage.

Outside, lush lawns, mature trees, bluestone patios and thoughtfully designed landscaping complement the home and its waterfront surroundings. A full basement, 2.5-car garage, gas heat, whole-house generator, integrated speaker and security systems, and smart-home features complete the residence.

Rarely does a home bring together this caliber of craftsmanship, architectural character and waterfront beauty so completely. Created without compromise and entirely one of a kind, this is a residence as extraordinary as its setting—where the beauty of Stony Brook Harbor is ever-present and spectacular sunsets over the water provide an unforgettable backdrop at the end of each day.

Listed by Bonnie Glenn

·

Daniel Gale Sothebys Intl Rlty

·

631-584-6600

Last updated September 14, 2026

·

Source: OneKey #1048653

Listing Facts

  • TypeSingle-family
  • NeighborhoodSmithtown
  • Bedrooms4
  • Bathrooms4
  • Days on Prevu3
  • Taxes$27,450/year
  • Size3,200 sqft
  • Price per sqft$687

Amenities

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

Location

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Listing History

09/13/2026
Status changed to Active
$2,199,000
09/13/2026
Listed by Daniel Gale Sothebys Intl Rlty
$2,199,000
  1. 09/13/2026$2,199,000
    Status changed to Active
  2. 09/13/2026$2,199,000
    Listed by Daniel Gale Sothebys Intl Rlty

Property Details for 31 Thompson Lane

Exterior

Construction

  • Property Condition: Actual
  • Window Features: Casement, Drapes, ENERGY STAR Qualified Windows, Insulated Windows, Wall Of Windows
  • Year Built: 2024
  • Architectural Style: Colonial
  • Construction Materials: Blown-In Insulation, Cedar, Energy Star, Frame, Shake Siding
  • Exterior Features: Balcony, Dog Run, Fire Pit, Lighting, Mailbox, Rain Gutters, Speakers

Features

  • Fencing: Chain Link, Partial, Wood
  • Other Structures: Kennel/Dog Run
  • Patio And Porch Features: Deck, Patio
  • View: Water
  • Waterfront Features: Water Access, Waterfront
  • Waterfront: Yes

Measurements

  • Building Area Units: Square Feet
  • Frontage Length: 60
  • Lot Features: Back Yard, Cul-De-Sac, Front Yard, Landscaped, Private, Sprinklers In Front, Sprinklers In Rear, Stone/Brick Wall, Views, Waterfront
  • Lot Size Acres: 1.15
  • Lot Size Square Feet: 50,094

Financial

Taxes

  • Parcel Number: 801-4-2-2
  • Tax Annual Amount: $27,450.00
  • Tax Year: 2026

Interior

Features

  • Appliances: Convection Oven, Dishwasher, Dryer, ENERGY STAR Qualified Appliances, Gas Oven, Gas Range, Microwave, Oven, Refrigerator, Washer, Gas Water Heater, Wine Refrigerator
  • Fireplace Features: Family Room, Gas
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Flooring: Hardwood, Tile
  • Interior Features: First Floor Bedroom, First Floor Full Bath, Built-in Features, Chefs Kitchen, Crown Molding, Eat-in Kitchen

Measurements

  • Living Area: 3,200
  • Living Area Source: Public Records

Rooms

  • Basement: Full, Partially Finished, Storage Space, Unfinished, Walk-Out Access
  • Has Basement: Yes
  • Bathrooms Full: 3
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 4
  • Bedrooms Total: 4
  • Rooms Total: 10

Other

General

  • Exclusions: See Listing Agent

Location

  • Tax Block: 2
  • Tax Lot: 2

Parking

Parking

  • Garage Spaces: 2
  • Garage: Yes
  • Parking Features: Driveway, Electric Vehicle Charging Station(s), Garage, Garage Door Opener, Oversized

Schools

Elementary School

  • Elementary School: St James Elementary School
  • Elementary School District: Smithtown

High School

  • High School: Smithtown High School-East
  • High School District: Smithtown

Middle or Junior School

  • Middle Or Junior School: Nesaquake Middle School
  • Middle Or Junior School District: Smithtown

Utilities

Equipment

  • Cooling: Central Air, ENERGY STAR Qualified Equipment
  • Heating: Forced Air, Hot Air, Propane, Radiant
  • Laundry Features: Gas Dryer Hookup, In Basement, Laundry Room, Washer Hookup
  • Other Equipment: Generator
  • Sewer: Cesspool
  • Utilities: Cable Connected, Electricity Connected, Phone Available, Propane, Trash Collection Public, Water Connected
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 4 bedrooms and 4 bathrooms in this single-family home at 31 Thompson Lane.

What schools are nearby to 31 Thompson Lane?

Nearby schools include the St James Elementary School, Nesaquake Middle School, and Smithtown High School-East.

Does this single-family home have parking?

Yes, there are 2 parking spaces available for 31 Thompson Lane.

What are the annual taxes for 31 Thompson Lane?

Annual taxes for this single-family home are estimated at $27,450.

How does 31 Thompson Lane compare to other single-family homes in Smithtown?

This single-family home is listed 79% above the average price for single-family homes in Smithtown and has been on the market for 51 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 3,200 sqft.

31 Thompson Lane is a 4-bedroom, 4-bath single-family home for sale in Head Of The Harbor NY 11780. On Prevu for 3 days at $2,199,000. This home features 3,200 square feet of living space, located in Smithtown. The median listing price for single-family homes in this area is $875,000. Nearby schools include St James Elementary School, Nesaquake Middle School, and Smithtown High School-East. The home offers private outdoor space, dishwasher, air conditioning, parking, and washer/dryer. View other single-family home listings in Suffolk County.

The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey™ MLS. The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed. This information is provided exclusively for consumers’ personal, non-commercial use. Information Copyright 2026, OneKey™ MLS. All Rights Reserved.

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.