Welcome to 227 Prospect Avenue in Sea Cliff-a meticulously

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Home For Sale

227 Prospect Avenue

Sea Cliff, New York 11579

Nassau County

Community: 

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$3,199,000 5 br, 5.0 bath 5180 sq. ft. 0.450 acres

Welcome to 227 Prospect Avenue in Sea Cliff-a meticulously rebuilt residence that blends thoughtful design with exceptional craftsmanship. This inviting home, spanning 5,180 square feet, marries modern efficiency with all-new systems: HVAC, electrical, plumbing, certified septic system, dry wells, and a full generator. Rich oak hardwood floors, laid in custom herringbone patterns, set an elegant tone throughout. Ten-foot ceilings on both the first and second floors-plus the finished basement-create an airy, expansive feel. The open-concept layout flows effortlessly into spacious living and dining areas-ideal for quiet evenings or hosting guests. The timeless chef's kitchen is a standout: Wolf appliances, a Sub-Zero refrigerator, a generous island, and 2.5-inch quartz countertops. Four working fireplaces and built-in speakers bring warmth and subtle sophistication to the main level. A dedicated first-floor mudroom adds everyday practicality, keeping boots and coats out of sight. Upstairs, the primary suite feels like a private retreat-complete with a balcony, oversized walk-in closet, and spa-like bath featuring a soaking tub, oversized shower, and dual vanities. With five bedrooms total (three ensuite), the home also offers a first-floor guest suite with its own private entrance. Downstairs, a finished basement delivers versatile space-two decorative fireplaces, a second laundry room, and even dual mudrooms-for ultimate convenience. Outside, a brand-new oversized bluestone patio, outdoor kitchen, and wraparound mahogany porch are framed by lush, private landscaping. A one-and-a-half-car detached garage rounds out the convenience. All of it, including beach access, just a quick, easy commute to NYC.

Interior:
  • Bedrooms: 5
  • Baths: 5.0
  • Sq Ft: 5180
  • Year Built: 1908
  • Utilities: 
  • Fireplaces: Has Fireplace
  • Stories: 
  • Heat/AC: Natural Gas, Forced Air
  • Garage: Garage, Driveway
Exterior:
  • Lot Size: 0.450 acre
  • Lot Dimensions: 
  • View Types: 
  • Yard: 
  • Siding: Foam Insulation, Frame, HardiPlank Type
  • Roof: 
  • Property Taxes: $18,355
  • MLS #: 964425
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Contact Information:
Beach Home For Sale in Sea Cliff, New York
Listing Agent: Raquel Knoell CBR, Douglas Elliman Real Estate, 646-331-1237, 516-621-3555 Listing Site, Listing Status: Active
Copyright © 2026 OneKey MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Ad Number: 7316270
Viewed 26 times.
Updated: Mar 14, 2026

This property is a Home located at 227 Prospect Avenue, Sea Cliff, New York 11579, and is currently For Sale at $3,199,000. This Home has 5 bedrooms, 5.0 baths, 5180 sq ft.