22 Round Pond Lane, Sag Harbor, NY 11963

$6,895,000
Active for Sale
7 Beds
9.5 Baths
8500 SF
Built In 2026
 
Listing ID 930721
Property Type House
County Suffolk
Township Southampton
Hamlet Sag Harbor
School SAG HARBOR UNION FREE SCHOOL DISTRICT
Tax ID 0900-026.000-0002-018.000
FEMA Flood Map fema.gov/portal
Year Built 2026
   
Associated Documents
DOCUMENTFloor Plans
DOCUMENTSurvey
 
Virtual Tour

Brand New Modern Sag Harbor Construction by Thread Collective

Introducing a newly completed modern masterpiece by Thread Collective Architects, a thoughtfully designed refined luxury home with effortless living. Spanning 8,500± sq. ft. on three floors this home offers expansive views and living space. Sitting on 0.68± acres with a reserve behind adds to the feel of endless land reaching to long pond which is something that is rare in Sag Harbor. This exceptional residence offers 7 bedrooms and 10 baths, with all bedrooms featuring en-suite baths for ultimate comfort and privacy. A beautifully appointed primary suite is conveniently located on the main level. Flooded with natural light, the home showcases expansive walls of glass and oversized windows that create a seamless connection between interior spaces and the surrounding landscape. Solar panels and state of the art heat pumps with air exchange, dehumidifier, and humidifier complete this highly insulated smart home. Designed with both relaxation and entertaining in mind, the grounds feature a saltwater pool, spa, and a separate pool house. Ideally situated just moments from Sag Harbor Village and in close proximity to Sagg Main Ocean Beach. Inside, a curated selection of high-end finishes includes custom handmade white oak cabinetry, premium white oak flooring throughout, and radiant heated floors in all bathrooms. The home also offers six indoor fireplaces and one outdoor fireplace, adding warmth and ambiance throughout. There are four separate laundry areas for added convenience. The expansive walk-out lower level is designed for versatility, complete with a sauna, bar with kitchenette, and ample space for a gym, game room, or bespoke recreation areas. Set on a remarkable lot backing onto a county-owned easement, the property offers tranquil views and direct access to Long Pond-creating a rare sense of privacy and natural beauty.
Property Details
  • 7 Total Bedrooms
  • 9 Full Baths
  • 1 Half Bath
  • 8500 SF (AG)
  • 0.68 Acres
  • Built in 2026
  • 2 Stories
  • Available 3/27/2026
  • Modern Style
  • Full Basement
  • 3148 Lower Level SF
  • Lower Level: Finished, Walk Out
  • 2 Lower Level Bedrooms
  • 3 Lower Level Bathrooms
Interior Features
  • Open Kitchen
  • Quartz Kitchen Counter
  • Stainless Steel
  • Hardwood Flooring
  • Entry Foyer
  • Living Room
  • Dining Room
  • Family Room
  • Den/Office
  • Study
  • Primary Bedroom
  • en Suite Bathroom
  • Walk-in Closet
  • Media Room
  • Bonus Room
  • Great Room
  • Gym
  • Library
  • Kitchen
  • Breakfast
  • Laundry
  • Private Guestroom
  • First Floor Primary Bedroom
  • First Floor Bathroom
  • 6 Fireplaces
  • Alarm System
  • Heat Pump
  • 6 Heat/AC Zones
  • Electric Fuel
  • Solar Fuel
  • Central A/C
Exterior Features
  • Frame Construction
  • Wood Siding
  • Stucco Siding
  • Flat Roof
  • Attached Garage
  • 3 Garage Spaces
  • Well Water
  • Private Septic
  • Pool: In Ground, Gunite, Heated, Solar, Salt Water, Spa, Sauna, Fencing
  • Pool Size: 20x40
  • Deck
  • Patio
  • Fence
  • Open Porch
  • Outdoor Shower
  • Irrigation System
  • Driveway
  • Survey
  • Trees
  • Pool House
  • Water View
  • Pond View
  • Pond Waterfront
  • New Construction
Listed By
Brown Harris Stevens (Sag Harbor)
Brown Harris Stevens (Sag Harbor)
Brown Harris Stevens (Bridgehampton)
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