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$2,199,000
Monthly Est:$10,945
4 Beds
- 4 Baths
3 full baths + 1 half bath
3,200sqft
31 Thompson Ln, Smithtown, NY 11780
$2,199,000
$10,945/moEst:
Get Pre-Approved
Single Family Residence
Built in 2013
$-- HOA
1.15 acres lot
$687/sq.ft
Description
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.
- Houzeo last checked: 2 hours ago
- Listing updated: September 21, 2026 at 11:37 pm
- Listing Provided by: Bonnie Glenn (631) 921-1494 | Daniel Gale Sothebys Intl Rlty (631) 584-6600
- Source: OneKey MLS-NY | MLS#: 1048653

Property Details
Status
Pending
Type
Single Family Residence
No. of Stories
-
County
City
Neighborhood
--
Year Built
2013
HOA Fees
-
Finished Area
3,200 sqft
Lot Size
1.15 acres lot
Basement Area
- sqft
MLS Name
OneKey MLS
MLS Number
1048653
MLS Status
Pending
Days on Market
27
Cumulative Days on Market
3

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Location
Facts & Features
Rooms
Bedrooms & bathrooms
Bedrooms: 4
Bathrooms: 4
Basement
Level: Basement
Primary Bedroom
Level: Second
Interior
Cooling
Central Air, Energy Star Qualified Equipment
Window Features
Casement, Drapes, Energy Star Qualified Windows, Insulated Windows, Wall Of Windows
Heating
Forced Air, Hot Air, Propane, Radiant
Flooring
Hardwood, Tile
Interior Features
First Floor Bedroom, First Floor Full Bath, Built In Features, Chefs Kitchen, Crown Molding, Eat In Kitchen
Exterior Features
Balcony, Dog Run, Fire Pit, Lighting, Mailbox, Rain Gutters, Speakers
Sewer
Cesspool
Appliances
Convection Oven, Dishwasher, Dryer, Energy Star Qualified Appliances, Gas Oven, Gas Range, Microwave, Oven, Refrigerator, Washer, Gas Water Heater, Wine Refrigerator
Construction
Year Built
Year Built: 2013
Home type
Single Family Residence
Construction Materials
Blown In Insulation, Cedar, Energy Star, Frame, Shake Siding
Architectural Style
Colonial
Foundation Details
Concrete Perimeter
Property Condition
Actual
Utilities & Energy
Laundry Features
Gas Dryer Hookup, In Basement, Laundry Room, Washer Hookup
Parking Features
Driveway, Electric Vehicle Charging Station(s), Garage, Garage Door Opener, Oversized
Utilities
Cable Connected, Electricity Connected, Phone Available, Propane, Trash Collection Public, Water Connected
Security Features
Fire Alarm, Fire Sprinkler System, Security Lights, Security System, Smoke Detector(s), Video Cameras
Basement
Full, Partially Finished, Storage Space, Unfinished, Walk Out Access
Water Source
Public
Fireplace Features
Family Room, Gas
Other Features
Patio And Porch Features
Deck, Patio
Lot Features
Back Yard, Cul De Sac, Front Yard, Landscaped, Private, Sprinklers In Front, Sprinklers In Rear, Stone/brick Wall, Views, Waterfront
Price History
| Date | Event | Price |
|---|---|---|
09/21/2026 Source: | Pending | $2,199,000 $687/sqft |
09/16/2026 Source: | Listing Removed | $2,199,000 $687/sqft |
09/11/2026 Source: | Listed for Sale | $2,199,000 $687/sqft |
09/10/2026 Source: | Coming Soon | $2,199,000 +135.19% $687/sqft |
12/01/2024 Source: | Sold | $935,000 $292/sqft |
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Based on information from OneKey MLS, through Oct 08, 2026, 11:01AM. 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.
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