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MLS ID KEY940936Last updated Oct 7, 2026

Single Family

19 Tiana Road

Active · Southampton · Suffolk County, NY 11946

Bedrooms
9 Beds
Bathrooms
8 Baths
Year built
2017
Est. monthly taxes
$2,480.75
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About this home

Set beyond a gated driveway and surrounded by mature landscaping, this recently renovated residence offers over 10,000 sq ft of interior living space across three levels; a scale rarely found in Hampton Bays waterfront homes. The property blends modern upgrades with direct water access, expansive outdoor living, and exceptional privacy, creating a setting well suited for multi-generational living, entertaining, or extended seasonal stays.The main level features a glass conservatory, chef’s kitchen with Thermador appliances, a first-floor primary suite with access to the three-season deck, an additional en-suite bedroom, a third bedroom, powder room, and laundry. The second floor includes five bedrooms, highlighted by a secondary suite with two walk-in closets, an en-suite bath, and a private balcony overlooking the water. Two additional full bathrooms support flexible guest use. The lower level offers an 8-seat movie theater, arcade room, and storage areas designed for extended living. A separate two-level accessory apartment includes one bedroom and one bathroom; ideal for guests, live-in support, or potential rental income, adding versatility to the property’s layout. Outdoor amenities include a gunite heated pool, hot tub, outdoor kitchen, and multiple lounge areas that create a seamless indoor-outdoor environment for dining and gathering. Waterfront features include a boat lift, direct canal access, and open water views from several vantage points. Additional features include a heated 5-car garage, solar panels, Tesla backup battery with dual chargers, and central vacuum. With its combination of interior scale, updated systems, extensive amenities, and waterfront access, this property represents a rare opportunity for expansive Hamptons living in a highly functional and well-connected setting.

Listing snapshot

Days on site
59 days
Listed on MLS
Dec 21, 2025
Full baths
6
Half baths
2
Annual property tax (MLS)
$29,769
Tax year
2025
Area source (MLS)
Other
Listing brokerage
Serhant East End LLC
MLS ID
KEY940936
Last updated
Oct 7, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
2017
Garage
Yes
Garage spaces
5
Parking
Driveway, Electric Vehicle Charging Station(s), Garage, Garage Door Opener, Heated Garage, Off Street, Oversized, Private, Storage
Water source
Public
Sewer
Septic Tank
Utilities
Cable Connected, Electricity Connected, Propane, Water Connected

Interior features

Basement
Finished, Full, Walk-Out Access
Heating
Hydro Air, Radiant Floor
Cooling
Central Air
Interior
First Floor Bedroom, First Floor Full Bath, Built-in Features, Central Vacuum, Chandelier, Chefs Kitchen, Eat-in Kitchen, Entrance Foyer, Granite Counters, High Speed Internet, His and Hers Closets, In-Law Floorplan, Open Kitchen, Primary Bathroom, Master Downstairs, Sound System, Storage, Walk-In Closet(s), Wet Bar
Appliances
Dishwasher, Dryer, Freezer, Gas Range, Oven, Refrigerator, Stainless Steel Appliance(s), Washer
Flooring
Hardwood, Tile
Fireplace
Yes
Fireplaces
1

Exterior features

Architectural style
Other
Construction materials
Other
Private pool
Yes

Schools (MLS)

Elementary school
Hampton Bays Elementary School
Elementary school district
Hampton Bays
Middle school
Hampton Bays Middle School
Middle school district
Hampton Bays
High school
Hampton Bays High School
High school district
Hampton Bays

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

  1. Listing updated from MLS
  2. First seen on this site
  3. MLS status changed

Location

Southampton · Suffolk County, NY 11946Show interactive map
19 Tiana Road

Southampton · Suffolk County, NY 11946

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Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
MLS amounts are prefilled when available and can be edited. Confirm what fees include. Unknown fee frequencies cannot be converted automatically.Property expenses: MLS values where available; missing values stay blank.

Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

Estimated monthly total of entered costs—

Excludes insurance, mortgage insurance, special assessments and lender fees. MLS taxes may reflect abatements or exemptions and can change.

Listing data is supplied by the MLS and may change without notice.