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    Bayville, NY Duplexes for Sale

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    Locust Valley, NY Centre Island, NY Lloyd Neck, NY
    Bayville Waterfront Two-Family Home
    $1,798,000
    3,550 SF
    Bayville Waterfront Two-Family Home

    20 Greenwich Avenue, Bayville, NY 11709

    Waterfront two-family home with private beach and modern amenities.
    • 80ft of private deeded beach frontage providing unrivaled shoreline privacy.
    • Waterfront two‑family home with 5 bedrooms and 3.5 bathrooms, suitable for income generation or extended family.
    • Approximately 3,550 sq. ft. of interior living space on a quarter‑acre beachfront property.
    • Parking for 6 cars, including covered parking for at least 4.
    • Superior infrastructure including waterproofed boiler room, dual central air and hot water units, and comprehensive security system.
    Updated: May 12
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    Beachfront Two-Family Home on Sound
    $1,399,000
    0.06 Acres
    Beachfront Two-Family Home on Sound

    19 Pine Lane, Bayville, NY 11709

    Two-family home with beach access and sunset views.
    • Beachfront property with direct access to the beach and 180‑degree views of Long Island Sound
    • Legal 2‑family home with a main 2‑bedroom house and a separate 1‑bedroom cottage, offering rental income potential or space for extended family
    • Totally rebuilt residence with new electrical system, appliances, flooring, and cottage roof
    • Recent renovations include structural reinforcing and waterproofing of the basement, which features a high ceiling, half‑bath, and outside entrance
    • Located in the exclusive Pine Lane HOA and Locust Valley School District, close to restaurants and shopping
    Updated: Jan 3
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    Based on your search, we've compiled 6 Potential Opportunities for your consideration. Besides 2 Active listings in Bayville, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities

    Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Huntington Duplex with Detached Garage
    $699,000
    0.22 Acres
    Huntington Duplex with Detached Garage

    Legal two-family duplex in prime Huntington location near amenities.

    223 Park Avenue, Huntington, NY 11743

    View details
    Mixed-Use Multi-Family with Detached Garage
    $2,500,000
    1,840 SF
    Mixed-Use Multi-Family with Detached Garage

    Renovated mixed-use building with leased office units, two residential apartments, and an oversized detached two-car garage.

    34 Dewey Street, Huntington, NY 11743

    View details
    Mixed-Use Retail and Apartments
    $778,000
    Mixed-Use Retail and Apartments

    Two apartments above a commercial unit, offering diversified income through a single mixed-use building.

    63 1/2 Glen Street, Glen Cove, NY 11542

    View details
    Spacious Duplex with Fenced Backyard
    Contact for pricing
    Spacious Duplex with Fenced Backyard

    Large duplex featuring a two-story den and private backyard.

    3 Leech Circle S, Glen Cove, NY 11542

    View details

    Bayville, NY Duplexes Investment Opportunities Market Analysis

    Explore 2 duplexes for sale in Bayville, NY on our real estate platform. These investment opportunities span a total of 3,550 square feet of properties for sale, with an estimated market value of $1,798,000.

    Sale prices for duplexes in Bayville, NY start at $1,798,000, averaging $1,798,000, and reaching up to $1,798,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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    Duplexes 2

    Demographics Overview

    Population 6,744
    Population Growth (5Y) +0.5%
    Median Household Income $143,571
    College Educated 82.8%

    High-Yield Neighborhoods for Investment

    Identify Bayville submarkets with the highest inventory density on the market and evaluate the median listing prices of real estate assets

    Neighborhood Average Price
    11709 $1.6M

    Taxes & Financing

    Average Loan-to-Value 65.0%

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