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MLS ID KEY1013410Last updated Sep 18, 2026

Single Family

330 Bayville Avenue

Active · Oyster Bay · Nassau County, NY 11709

Bedrooms
4 Beds
Bathrooms
5 Baths
Year built
1979
Est. monthly taxes
$819.32
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About this home

Set in the heart of Bayville, 330 Bayville Avenue offers a unique combination of coastal lifestyle, generous living space, and exceptional versatility. With access to a private beach path just moments from the property, morning walks along the shore, summer days by the water, and the relaxed feel of seaside living can become part of everyday life. Offering 4 bedrooms and 5 full bathrooms, the home features a flexible layout that includes a permitted accessory apartment, ideal for extended family, guests, or potential rental income. Two full kitchens provide added functionality and independence between living spaces while allowing the home to adapt easily to a variety of needs. Mother Daughter Opportunity A brand-new roof and gutters were completed in 2026. The home also offers multiple spaces for gathering and entertaining, including an enclosed patio for additional year-round living space. A private driveway provides parking for up to five vehicles. Conveniently located near Bayville’s waterfront, local dining, shops, and amenities, 330 Bayville Avenue presents an opportunity to enjoy space, flexibility, and the coastal lifestyle that makes this community so special.

Listing snapshot

Days on site
59 days
Listed on MLS
Jul 6, 2026
Full baths
5
Half baths
0
Annual property tax (MLS)
$9,831.86
Tax year
2024
Area source (MLS)
Other
Listing brokerage
Douglas Elliman Real Estate
MLS ID
KEY1013410
Last updated
Sep 18, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1979
Garage
No
Total parking
5
Parking
Driveway
Water source
Public
Sewer
Cesspool
Utilities
Electricity Connected

Interior features

Heating
Natural Gas
Cooling
Central Air
Interior
First Floor Bedroom, First Floor Full Bath
Appliances
Electric Range, Gas Range

Exterior features

Architectural style
Hi Ranch
Construction materials
Stucco
Private pool
No

Schools (MLS)

Elementary school
Bayville Elementary School
Elementary school district
Locust Valley
Middle school
Locust Valley Middle School
Middle school district
Locust Valley
High school
Locust Valley High School
High school district
Locust Valley

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

Recent activity

  1. Listing updated from MLS
  2. Price changed to $899,000
  3. First seen on this site
  4. MLS status changed

Location

Oyster Bay · Nassau County, NY 11709Show interactive map
330 Bayville Avenue

Oyster Bay · Nassau County, NY 11709

Google Maps directions

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.