10 ROUND POND LN, Sag Harbor, NY 11963

14 Photos
 
$3,999,999 Sold Price
Sold on 4/08/2026
5 Beds
5 Baths
5000 SF
Built In 2025
 
Listing ID 924283
Property Type Residential
Township Southampton
Hamlet Sag Harbor
Tax ID 0900-026.000-0002-023.001
FEMA Flood Map fema.gov/portal
Year Built 2025
   
Associated Documents
FLOORPLANFloorplans
SURVEYSurvey
 
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Pre-Construction Estate with 50+ Customizations

At ARCH&Co, we believe your home should be customized to your lifestyle. Only an extraordinary pre-completion opportunity can do this. You don't just get a house-you get the chance to collaborate on a truly bespoke living experience. From architectural style to interior finishes, ARCH&Co offers an exclusive array of customizations, allowing you to shape every detail to fit your vision.This property offers an unparalleled blend of luxury with personalization and can be move-in ready in as little as 9 months. Priced at $3.99 million-yes, that's for the finished house, not just the land-this stunning 5,000-square-foot estate (7,000 including the lower level) features 5 bedrooms, 4.5 bathrooms, an open kitchen, and a 20x40 heated gunite pool, all standard. ARCH&Co provides over 50 customization options to elevate your lifestyle starting with the architectural style. Enhance the first floor with a den, add a cozy fireplace to the family room, or a cabana bathroom for convenience. Consider a washer/dryer in the mudroom or indulge in the luxury of a wine cellar off the living room. On the second floor, elevate your primary suite with a sitting room, deck, or fireplace, and treat yourself to a coffee bar. Add a third-floor observation deck for stunning views. Transform the lower into an entertainment hub with an additional bedroom, bathroom, home theater, and gym. With ARCH&Co, you are never working alone; collaborate with renowned interior designer Fiorello Designs to bring your vision to life. Personalize your selections for tile, flooring, paint colors, cabinets, and countertops-all included within the standard price-ensuring your home reflects your unique style and taste. This is a rare opportunity to create a customized home. Contact us today to learn more about this exceptional offering. (Seller is the listing agent.)
Property Details
  • 5 Total Bedrooms
  • 5 Full Baths
  • 5000 SF (AG)
  • 0.65 Acres
  • Built in 2025
  • Full Basement
Interior Features
  • Open Kitchen
  • Oven/Range
  • Refrigerator
  • Dishwasher
  • Washer
  • Dryer
  • Entry Foyer
  • Living Room
  • Dining Room
  • en Suite Bathroom
  • Walk-in Closet
  • Kitchen
  • Laundry
  • 1 Fireplace
Exterior Features
  • Attached Garage
  • Private Well Water
  • Private Septic
  • Pool: In Ground, Gunite
  • Pool Size: 20'x40'
  • Patio
  • New Construction
Sale Information
  • Sold on 4/08/2026
  • Sold for $3,999,999
Previously Listed By
Compass
Office: 631-259-9993
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