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MLS ID KEY1038912Last updated Sep 25, 2026

Condo

78 Three Ponds Lane

Pending · Oyster Bay · Nassau County, NY 11797

Bedrooms
4 Beds
Bathrooms
5 Baths
Year built
2022
Est. monthly taxes
$1,946.67
Property gallery0 / 42
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About this home

Experience the pinnacle of refined living at The Sagamore at Mills Pond, where exceptional craftsmanship, sophisticated design, and resort-style amenities come together in this extraordinary four-bedroom, 4.5-bath end-unit residence. Ideally positioned within the community, this fully customized home enjoys one of the most coveted settings, with unobstructed pond views and an exceptional sense of privacy. Designed for both luxurious everyday living and effortless entertaining, the residence spans three levels, all connected by a private elevator. The dramatic two-story great room creates an impressive focal point, while custom lighting, a Lutron smart-home system, and thoughtfully curated finishes elevate every space. The chef’s kitchen is exceptionally appointed with Thermador appliances, two wall ovens, gas cooktop, built-in microwave, wine refrigerator, and warming drawer. A dedicated pantry and main-level laundry room add both functionality and convenience. The adjacent dining room features a stunning custom built-in with refrigeration and freezer drawers—an ideal complement for entertaining. The main-level primary suite is a private retreat, offering dual walk-in closets and a luxurious bath with radiant heated flooring. Upstairs, two additional bedrooms each feature en-suite baths, while a custom built-in office overlooks the spectacular great room, creating an inspiring workspace with a view. The fully finished custom lower level is designed for entertaining, complete with bespoke built-ins, a serving area and wet bar. A two-car garage, EV charger, four-zone heating and central air provide modern comfort and convenience throughout. Step outside to an extraordinary private entertaining space overlooking the pond. The fully customized outdoor kitchen features a built-in barbecue and fire pit, creating the perfect setting for sophisticated summer entertaining or relaxed evenings at home. Residents of this exclusive gated community enjoy an exceptional collection of amenities, including a resort-style pool, tennis and pickleball courts, and an elegant clubhouse designed for entertaining and recreation. The clubhouse features a golf simulator, billiards room, library, movie room, and outdoor barbecue areas. Set in the highly regarded Syosset School District.

Listing snapshot

Days on site
59 days
Listed on MLS
Aug 18, 2026
Full baths
4
Half baths
1
Annual property tax (MLS)
$23,360.05
Tax year
2024
Association / maintenance fees (MLS)
$1,030 / Monthly
Fees include (MLS)
Common Area Maintenance, Grounds Care, Sewer, Snow Removal, Trash
Area source (MLS)
Public Records
Listing brokerage
Compass Greater NY LLC
MLS ID
KEY1038912
Last updated
Sep 25, 2026

General features

Property type
Condo
Property subtype
Condominium
Year built
2022
Garage
Yes
Garage spaces
2
Parking
Private
Water source
Other
Sewer
Public Sewer
Utilities
Natural Gas Connected

Interior features

Basement
Finished, Full
Heating
Forced Air
Cooling
Central Air
Interior
First Floor Bedroom, Breakfast Bar, Built-in Features, Chandelier, Chefs Kitchen, Open Floorplan, Open Kitchen, Master Downstairs, Recessed Lighting, Smart Thermostat, Storage, Walk-In Closet(s)
Appliances
Convection Oven, Cooktop, Dishwasher, Disposal, Gas Cooktop, Gas Oven, Microwave, Washer, Wine Refrigerator
Fireplace
Yes
Fireplaces
1

Exterior features

Construction materials
Frame

Schools (MLS)

Elementary school
Walt Whitman Elementary School
Elementary school district
Syosset
Middle school
South Woods Middle School
Middle school district
Syosset
High school
Syosset Senior High School
High school district
Syosset

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

Recent activity

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

Location

Oyster Bay · Nassau County, NY 11797Show interactive map
78 Three Ponds Lane

Oyster Bay · Nassau County, NY 11797

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.