Single Family

200 Cleft Road

Active · Oyster Bay · Nassau County, NY 11765

Asking price$7,200,000Estimate monthly payment Request a Showing

Bedrooms: 6 Beds
Bathrooms: 9 Baths
Year built: 1926
Est. monthly taxes: $6,018.45

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About this home

Dam House is a magnificent 8.66-acre waterfront estate presiding over brilliant sunsets and water views of Beaver Lake. Completed in 1926, the masterfully designed six - bedroom Colonial residence has a refined elegance and timeless charm. It is complemented by expansive bluestone and red-brick patios, a four-bedroom cottage, a one-bedroom pool house, a sparkling swimming pool and a hard surface tennis court. Shade, specimen and flowering trees proliferate the captivating gardens. Manicured shrubs and flowering perennials add to the landscaped beauty. Additional amenities include an irrigation system, an outdoor fireplace, a vegetable garden, a root cellar and two enclosed dog runs with shelter. Full house generator for the main residence and a separate generator services the cottage. Attached two-bay garage and detached four-car garage. This property offers a luxurious lifestyle, in an idyllic waterfront setting.

Listing snapshot

Days on site: 59 days
Listed on MLS: Apr 24, 2026
Full baths: 7
Half baths: 2
Annual property tax (MLS): $72,221.38
Tax year: 2026
Area source (MLS): Other
Listing brokerage: Daniel Gale Sothebys Intl Rlty
MLS ID: KEY987913
Last updated: Oct 1, 2026

General features

Property type: Single Family
Property subtype: Single Family Residence
Year built: 1926
Garage: Yes
Garage spaces: 5
Parking: Attached, Detached, Driveway, Garage, Private
Water source: Public
Sewer: Cesspool
Utilities: Cable Available

Interior features

Basement: Walk-Out Access, Full, Unfinished
Heating: Oil, Baseboard, Forced Air, Hot Water
Cooling: Central Air
Interior: Eat-in Kitchen, Entrance Foyer, Pantry, Walk-In Closet(s), Formal Dining, First Floor Bedroom, Primary Bathroom
Appliances: Oil Water Heater
Flooring: Hardwood
Fireplace: Yes
Fireplaces: 7

Exterior features

Architectural style: Colonial
Construction materials: Clapboard, Frame
Exterior: Mailbox
Private pool: Yes

Schools (MLS)

Elementary school: Ann Macarthur Primary School
Elementary school district: Locust Valley
Middle school: Locust Valley Middle School
Middle school district: Locust Valley
High school: Locust Valley High School
High school district: Locust Valley

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

Recent activity

Oct 1, 2026Listing updated from MLS
Aug 30, 2026First seen on this site
Apr 24, 2026MLS status changed

Location

Oyster Bay · Nassau County, NY 11765Show interactive map

200 Cleft Road

Oyster Bay · Nassau County, NY 11765

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Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.

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Property expenses (USD)

Annual property taxMonthly association / maintenance fees

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