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    1 home
      1 home available
      148 Middle Line Highway, Southampton, NY 11968
      NEW 7 hrs ago
      148 Middle Line Highway, Southampton, NY 11968
      $7,500,000
      8beds
      8 full, 2 halfbath
      9,600sqft
      200acres
      House for Sale

      148 Middle Line Highway, Southampton, NY 11968

      Listing by: Saunders & Associates
      1 - 1 of 1 results
      Copyright © 2026 OneKey® MLS LLC
      Display of MLS Data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals.
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      Membio
      OneKey® MLS
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      148 Middle Line Highway, Southampton, NY 11968
      NEW 7 hrs ago
      $7,500,000
      8beds
      8full,2half bath
      9,600sqft
      200acres

      148 Middle Line Highway, Southampton, NY 11968

      City/Town:Southampton   Post Office: Southampton     

      House for Sale by Vincent HorcasitasSaunders & Associates.

      Data checked -. Listing last updated 7 hours ago.
      1. Overview
      2. Details
      3. More 

      Grand New Construction Estate Commanding 2 sprawling acres in the heart of Southampton, this masterfully designed new construction estate represents the pinnacle of Hamptons luxury. Spanning an impressive 9,600 +/- SF across 3 finished levels, the residence offers a rare combination of grand architectural scale and intimate, sophisticated comfort. With 8 spacious bedrooms and 10 bathrooms (8 full, 2 half), this home is perfectly engineered for both large-scale entertaining and quiet, private retreats. The light-filled interiors are defined by an open-concept floor plan featuring soaring ceilings, rich hardwood flooring, and a grand entry foyer that sets a tone of elegance. At the heart of the home, a gourmet chef's kitchen, complete with professional-grade stainless steel appliances, flows seamlessly into the formal dining and living areas. For those requiring a quiet workspace or a casual place to gather, the layout includes a dedicated den/office and a sun-drenched family room, ensuring there is a space for every mood and occasion. The exterior of the property is a private oasis designed for the ultimate summer lifestyle. An expansive deck overlooks the lush, manicured grounds and a magnificent gunite in-ground pool, offering the perfect setting for alfresco dining and poolside lounging. Complete with a two-car attached garage and modern amenities including central air and forced-air heating, this estate provides every convenience expected of a world-class Southampton residence. Ideally located and impeccably finished, this is a rare opportunity to own a significant piece of the East End.

      Internet Serviceability
      Details
        Property type
      Residential
        Year built
      2026
        Heating
      Forced Air
        Cooling
      Central Air
        Total rooms
      10
        Garage
      Yes (2 space)
        City/Town
      Southampton
        Post Office
      Southampton
        Parking spots
      -
      952152
      MLS ID
      Active
      Status
      01/16/2026
      On Market Date
        Laundry features
      Laundry Room
        Flooring
      Hardwood
        Fireplace
      Yes
        Pets allowed
        Architectural Style
      Modern
        Basement
      Finished, Full
        View
      Interior features
      First Floor Bedroom, High Ceilings
      Exterior features
      Lot features
      Appliances included
      Dishwasher, Dryer, Microwave, Oven, Refrigerator, Stainless Steel Appliance(s), Washer
      Construction materials
      Frame
      Monthly taxes
      $316
      Yearly taxes
      $3,786
      Community Features
      -
      School district
      Southampton
      Schools
      Southampton Elementary School, Southampton Intermediate School, Southampton High School
      Senior community
      No
      Common Charges
      -
      Maintenance
      -
      Additional Fees
      -
      Open Houses
      In-Person
      No upcoming in-person open houses
      Virtual
      No upcoming virtual open houses
      Contact Agent
      VH
      Vincent Horcasitas
      Associate Real Estate Broker, Saunders & Associates
      Direct Number 
       
      Location
      For Sale Nearby
      No nearby homes are For Sale Nearby.
      Recently Sold
      No nearby homes have been Recently Sold.
      148 Middle Line Highway, Southampton, NY 11968, is a 8 bedroom, 8 bathroom, 9600 sqft. Single Family Residence built in 2026. This property is currently available for sale and was listed on OneKey® MLS on 1-16-2026. The MLS# for this Single Family Residence is MLS# 952152.
      Display of MLS Data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals.
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