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MLS ID KEY897325Last updated Apr 15, 2026

Single Family

347 Bayville Avenue

Active · Oyster Bay · Nassau County, NY 11709

Bedrooms
7 Beds
Bathrooms
4 Baths
Year built
2007
Est. monthly taxes
$1,061.57
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About this home

A Rare Investment Opportunity in the Historic Village of Bayville, NY Nestled in the heart of the Incorporated Village of Bayville, this rare offering presents a once-in-a-lifetime opportunity to own a unique vacation compound just 500 feet from a pristine private beach. Located on Long Island’s North Shore, Bayville has long been a beloved seaside destination for travelers near and far. Originally settled in the 1600s and later incorporated in 1919, Bayville evolved into a charming beach community known for its serene coastal views, laid-back lifestyle, and strong sense of community. Today, it remains a hidden gem—offering the perfect blend of nostalgia, natural beauty, and convenience. This exceptionally unique property features four separate homes on one parcel, totaling 7 bedrooms and 4 bathrooms—making it ideal for a large gathering retreat, income-generating rental property, or private compound. Three of the four cottages have been beautifully renovated with modern finishes while preserving their beachy charm. The fourth cottage is partially renovated, offering the next owner the chance to customize it to their taste. With unobstructed, year-round views of the Long Island Sound, the setting is nothing short of spectacular. Enjoy morning visits to the beach, sunset bonfires, and the peaceful sounds of nature—all just minutes from your front door. Whether you're looking for a peaceful getaway or an investment in one of Long Island’s most picturesque communities, this property delivers Four separate cottages on one parcel 7 bedrooms / 4 bathrooms total Three fully renovated, one partially renovated Approximately 500 feet to private beach access Unmatched, unobstructed views year-round Located in the historic and charming Village of Bayville Create your own legacy on the North Shore—this Bayville retreat offers charm, flexibility, and the lifestyle dreams are made of.

Listing snapshot

Days on site
59 days
Listed on MLS
Aug 8, 2025
Full baths
4
Half baths
0
Annual property tax (MLS)
$12,738.89
Tax year
2024
Area source (MLS)
Plans
Listing brokerage
Coldwell Banker American Homes
MLS ID
KEY897325
Last updated
Apr 15, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
2007
Garage
Yes
Garage spaces
810
Water source
Public
Sewer
Cesspool
Utilities
Cable Connected, Electricity Connected, Natural Gas Connected, Water Connected

Interior features

Heating
Baseboard, Forced Air
Cooling
Central Air
Interior
Galley Type Kitchen, Granite Counters, Washer/Dryer Hookup
Appliances
Dishwasher, Range, Refrigerator
Flooring
Wood
Fireplace
No

Exterior features

Architectural style
Ranch
Construction materials
Vinyl Siding
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. First seen on this site
  2. Listing updated from MLS
  3. MLS status changed

Location

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

Oyster Bay · Nassau County, NY 11709

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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)
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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.