Single Family

21 Bay Avenue

Active · Southampton · Suffolk County, NY 11946

Asking price$1,699,000Estimate monthly payment Request a Showing

Bedrooms: 4 Beds
Bathrooms: 3 Baths
Year built: 1977
Est. monthly taxes: $838.67

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About this home

Quiet, Private, Set on 1.87 Acre Flag Lot. Beautifully Maintained Immaculate Two Story Traditional of 2,600+- sq.ft. Four Bedrooms, Three Bathrooms., First Floor Features Living Room with Masonry fireplace, & oak floors. Formal Dining, Corian Kitchen with Stainless Appliances which opens Skylit Great Room, 1 Bath all on 1st Floor. Second Floor Features Vaulted Ceiling Primary Bedroom with private in suite bathroom and Masonry Fireplace, Walk in Closet + additional closets. 3 Additional Bedrooms, and one Full Bath. Full basement with high ceilings. Two car attached garage. Lovely Sundeck for entertaining with Tiki Bar. Loads of room for pool. Beautifully landscaped and very private. Sprinkler system. Schedule your private showing.

Listing snapshot

Days on site: 59 days
Listed on MLS: Aug 24, 2026
Full baths: 3
Half baths: 0
Annual property tax (MLS): $10,064
Tax year: 2025
Area source (MLS): Public Records
Listing brokerage: South Fork Realty
MLS ID: KEY1034640
Last updated: Aug 19, 2026

General features

Property type: Single Family
Property subtype: Single Family Residence
Year built: 1977
Garage: Yes
Garage spaces: 2
Total parking: 2
Parking: Driveway, Garage
Water source: Public
Sewer: Cesspool
Utilities: Cable Connected, Electricity Connected, Propane

Interior features

Basement: Full
Heating: Hot Air, Oil
Cooling: Central Air
Interior: First Floor Full Bath, Central Vacuum, Eat-in Kitchen, Formal Dining, His and Hers Closets, Open Kitchen, Primary Bathroom, Recessed Lighting, Stone Counters, Walk-In Closet(s), Washer/Dryer Hookup
Appliances: Dryer, Gas Cooktop, Microwave, Oven, Refrigerator, Stainless Steel Appliance(s), Washer, Oil Water Heater
Fireplace: Yes
Fireplaces: 2

Exterior features

Architectural style: Traditional
Construction materials: Frame, HardiPlank Type, Vinyl Siding
Exterior: Rain Gutters
Private pool: No

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

Aug 30, 2026First seen on this site
Aug 19, 2026Listing updated from MLS
Aug 19, 2026MLS status changed

Location

Southampton · Suffolk County, NY 11946Show interactive map

21 Bay Avenue

Southampton · Suffolk County, NY 11946

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Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.

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Property expenses (USD)

Annual property taxMonthly association / maintenance fees

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Estimated monthly principal & interest—

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

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