9 Marsden Street Sag Harbor, NY $ 12,500,000
9 Marsden Street
$ 12,500,000
Recently Listed
Open House 11/14 12pm - 2pm
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9 Marsden Street

Sag Harbor, NY, 11963
$ 12,500,000
Bedrooms8 Baths10.1 Sq 6,840

Monthly Estimate*

$ 86,334

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Single Family Home for sale in Sag Harbor, NY

for $12,500,000 with 8 bedrooms and 10 full baths, 1 half bath. This 6,840 square foot home was built in 2026 on a lot size of 0.88.

Welcome to 9 Marsden Street in Sag Harbor Village. With a historic aesthetic and sophistication for modern living, this BJC Custom Builders residence sits on approximately 0.8 acre-an exceptionally generous setting in Sag Harbor Village. Offered fully furnished, thoughtfully curated, and professionally designed, the home encompasses approximately 7,000 square feet across three levels. A custom Ciuffo chef's kitchen anchors the living spaces, complemented by a gracious great room, formal dining and a separate, private family room. A main-floor primary bedroom offers flexibility, while five upstairs bedrooms include an expansive primary suite featuring a private balcony, fireplace, and spa-inspired bath. The lower level abounds with an expansive rec room and showcase bar with exquisite finish. A gym with wellness and 2 guest rooms complete. Outside, the park-like grounds create a setting for entertaining and relaxation, with an oversized pool, spa, and pool cabana with fireplace, wet bar, full bath and outdoor shower. Beautifully finished and ready to enjoy, 9 Marsden Street brings together timeless village character, contemporary luxury, and exceptional space.

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Open House

11/14/2026 12:00 PM - 2:00 PM
11/15/2026 10:30 AM - 12:30 PM
9 Marsden Street Sag Harbor, NY
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 12,500,000

Bedrooms

8

Full Bath

10

Half Bath

1

Property Type

Single Family

Taxes

$ 0

Style

Traditional

Lot Size

0.88

Year Built

2026

Town/City

Sag Harbor

County/Region

Suffolk

MLS | Web ID

1048273

Features
Interior
Interior Amenities First Floor Bedroom First Floor Full Bath Chefs Kitchen Eat-in Kitchen Entrance Foyer Formal Dining High Ceilings His and Hers Closets Kitchen Island Open Floorplan Open Kitchen Pantry Primary Bathro
Basement Finished Full
Basement Features Finished Full
Basement (Y/N) Y
Fireplace Y/N Y
Half Baths 1
Total Bedrooms 8
Total Baths 11
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General
Sewer Septic Tank
Heating Natural Gas
Cooling Central Air
Utilities See Remarks
Appliances Dishwasher Freezer Microwave Oven Range Refrigerator
Garage Spaces 2
Architectural Style Traditional
Pool Features In Ground
Construction Materials Cedar
Year Built 2026
Property Subtype Single Family Residence
Tax Year 2026
Parcel Number 0903-006-00-0400-047.002
County Suffolk County
Property Type Residential
HOA N
Garage Y/N Y
Total Rooms 24
Full Baths 10
High School Pierson Middle/High School
City Southampton
Senior Community Y/N N
High School District Sag Harbor
Carport Y/N N
Elementary School Sag Harbor Elementary School
Property Attached Y/N N
Tax Annual Amount 0
Middle/Junior High School Pierson Middle/High School
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Sag Harbor
Elementary School District Sag Harbor
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Exterior
Parking Features Driveway Garage Driveway Garage
Water Source Public
Spa Y
Waterfront Y/N N
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Internal Only
Street Number 1 9
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* Excluded Features
List By
Thomas R. Cavallo

Listing Agent

Douglas Elliman Real Estate

Broker

631-725-0200

Contact

Affordability Calculator

$86,334
Per Month
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Monthly Principal & Interest
$86,334
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Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4101453 Elementary School
4099052 Middle School
Pierson Middle/High School High School
Pricing History
DatePricePrice ChangeDescription
11/9/2026$12,500,000 Listed Price

Map


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9 Marsden Street, Sag Harbor, NY, 11963 is a Single Family Home for sale at $12,500,000 with 6,840 sqft and a lot size of 0.88. 9 Marsden Street has 8 bedrooms, 10.1 baths, and was built in 2026. The property's zip code is 11963 which is in Sag Harbor, NY