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MLS ID KEY1003980Last updated Sep 18, 2026

Single Family

11 Amboy Lane

Active · Brookhaven · Suffolk County, NY 11755

Bedrooms
4 Beds
Bathrooms
6 Baths
Year built
2026
Est. monthly taxes
$1,916.67
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About this home

Experience unparalleled luxury in this one-of-a-kind custom new construction located in the highly desirable Brittany Hills section of Lake Grove. Showcasing elegant stucco construction and offering approximately 3,694 square feet of above-grade living space plus a fully finished basement, this extraordinary smart home blends sophisticated architectural design with modern convenience. Step through the grand entry into a breathtaking double-height great room with approximately 25-foot ceilings, dramatic chandelier, and streams of natural light that create an extraordinary sense of scale and openness. The open-concept floor plan is designed for both luxurious everyday living and effortless entertaining. The designer kitchen serves as the centerpiece of the home, featuring stainless steel appliances, quartz countertops, a spacious center island, abundant cabinetry, and premium finishes throughout. This exceptional residence offers 4 spacious ensuite bedrooms and 5.5 bathrooms, including a spectacular primary suite with soaring ceilings, impressive scale, generous closet space, and abundant natural light. Spa-inspired bathrooms are finished with elegant large-format tile and refined modern finishes throughout. Wide-plank designer flooring flows seamlessly across every level, adding warmth and sophistication throughout the residence. The fully finished basement further expands the living space with a full bathroom and separate outside entrance, ideal for recreation, guests, extended living arrangements, or a private retreat. Additional highlights include smart home technology integrated throughout the property, in-ground sprinklers, a brand-new state-of-the-art septic system, energy-efficient systems, and a spacious driveway with garage parking. Conveniently located just minutes from premier shopping and dining destinations including Wegman's, Trader Joe’s, Whole Foods Market, Ronkonkoma Station, and the vibrant Station Yards development, this remarkable residence offers the perfect combination of luxury, lifestyle, convenience, and architectural presence. Enjoy the rare advantage of being ideally situated at the crossroads of Smithtown, Brookhaven, and the Village of Lake Grove, giving residents access to the exceptional amenities offered by all three communities. Take advantage of Smithtown parks and private beaches, Brookhaven boat ramps, beaches, and recreational parks, along with the Village’s summer camps, beautifully maintained parks, brand-new pickleball courts, and so much more.

Listing snapshot

Days on site
59 days
Listed on MLS
May 24, 2026
Full baths
5
Half baths
1
Annual property tax (MLS)
$23,000
Tax year
2025
Area source (MLS)
Other
Listing brokerage
Coldwell Banker American Homes
MLS ID
KEY1003980
Last updated
Sep 18, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
2026
Garage
Yes
Garage spaces
1
Parking
Driveway
Water source
Public
Sewer
Septic Tank
Utilities
Electricity Connected

Interior features

Basement
Finished
Heating
Electric
Cooling
Ductless
Interior
First Floor Full Bath, Breakfast Bar, Cathedral Ceiling(s), Ceiling Fan(s), Chandelier, Eat-in Kitchen, High Ceilings, Kitchen Island, Open Floorplan, Primary Bathroom, Quartz/Quartzite Counters, Recessed Lighting, Smart Thermostat
Appliances
Dishwasher, Dryer, Electric Oven, Electric Water Heater, ENERGY STAR Qualified Appliances, Microwave, Refrigerator, Stainless Steel Appliance(s), Washer
Flooring
Vinyl

Exterior features

Architectural style
Colonial
Construction materials
Stucco
Private pool
No

Schools (MLS)

Elementary school
Wenonah School
Elementary school district
Sachem
Middle school
Samoset Middle School
Middle school district
Sachem
High school
Sachem High School North
High school district
Sachem

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

  1. Listing updated from MLS
  2. First seen on this site
  3. MLS status changed

Location

Brookhaven · Suffolk County, NY 11755Show interactive map
11 Amboy Lane

Brookhaven · Suffolk County, NY 11755

Google Maps directions

Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
MLS amounts are prefilled when available and can be edited. Confirm what fees include. Unknown fee frequencies cannot be converted automatically.Property expenses: MLS values where available; missing values stay blank.

Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

Estimated monthly total of entered costs—

Excludes insurance, mortgage insurance, special assessments and lender fees. MLS taxes may reflect abatements or exemptions and can change.

Listing data is supplied by the MLS and may change without notice.