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    Oyster Bay, NY Duplexes for Sale

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    Renovated Duplex in Oyster Bay
    $1,350,000
    0.19 Acres

    Renovated Duplex in Oyster Bay

    75 Anstice St, Oyster Bay, NY 11771

    Newly renovated duplex with modern amenities and prime location.

    • Newly renovated duplex in a prime Oyster Bay location near the beach, parks, and dining.
    • Two separate units: a two‑bedroom unit and a one‑bedroom unit, ideal for rental income or multi‑generational living.
    • Finished basement with its own kitchen, adding significant living space and potential.
    • Modern kitchens with center islands and stainless steel appliances in the first‑floor unit.
    • In‑unit washers and dryers in both units for added convenience.
    Updated: Mar 13
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    Oyster Bay Colonial Duplex
    $919,000
    1,714 SF

    Oyster Bay Colonial Duplex

    75 Anstice St, Oyster Bay, NY 11771

    Two-family colonial in Oyster Bay, oversized lot, convenient location.

    • Two‑family colonial in Oyster Bay.
    • Oversized lot with convenient access to shops, dining, schools, park and beach.
    • First floor apartment featuring 2 bedrooms, kitchen with island and stainless appliances.
    • Second floor apartment with one bedroom and partial water view.
    • Finished basement with large main area and storage.
    Updated: Oct 1, 2025
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    Based on your search, we've compiled 6 Potential Opportunities for your consideration. Besides 2 Active listings in Oyster Bay, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities

    Explore Opportunities in Nearby Cities

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

    Legal Two-Family Bayville Investment
    $699,000

    Legal Two-Family Bayville Investment

    Two-family property in Bayville near beaches, dining, and more.

    5 4Th St, Bayville, NY 11709
    View details
    Legal Two-Family Duplex in Bayville
    $549,000
    0.07 Acres

    Legal Two-Family Duplex in Bayville

    Legal two-family duplex with investment potential near beaches.

    3 4Th St, Bayville, NY 11709
    View details
    Renovated Legal Two-Family Home
    $1,250,000

    Renovated Legal Two-Family Home

    Fully renovated two-family home with flexible living options.

    35 East Ave, Glen Cove, NY 11542
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    Glen Cove Duplex in St Rocco
    $699,000
    1,827 SF

    Glen Cove Duplex in St Rocco

    Two-family home in the St Rocco area, Glen Cove.

    25 Bella Vista Ave, Glen Cove, NY 11542
    View details

    Oyster Bay, NY Duplexes Investment Opportunities Market Analysis

    Explore 2 duplexes for sale in Oyster Bay, NY on our real estate platform. These investment opportunities span a total of 16,117 square feet of properties for sale, with an estimated market value of $2,269,000.

    Sale prices for duplexes in Oyster Bay, NY start at $919,000, averaging $1,134,500, and reaching up to $1,350,000 — 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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