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    Islip Manor, NY Duplexes for Sale

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    Updated Duplex in Islip, NY
    Pending
    $599,999
    1,542 SF

    Updated Duplex in Islip, NY

    25 1St St, Islip, NY 11751

    Updated two-family home in Islip with income potential.

    • Two separate 1‑bedroom apartments offer income potential.
    • Brand new eat‑in kitchen with stainless steel appliances and a washer hookup in the first‑floor unit.
    • Two‑car garage with loft and private driveway provides ample parking and storage.
    • Spacious backyard offers outdoor living space.
    • Convenient location close to transportation, restaurants, and shopping.
    Updated: Oct 29, 2025
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    Renovated Duplex in The Woodlands
    $389,000

    Renovated Duplex in The Woodlands

    128 Cardinal Ln, Islip, NY 11751

    Two-bedroom duplex in meticulously maintained community with upcoming renovations.

    • Comprehensive maintenance coverage including taxes, heat, water, gas, sewers, pool with lifeguard, building maintenance, sanitation, landscaping, and snow removal.
    • New windows, roof, and siding upgrades planned, with siding installation scheduled for Spring 2026.
    • Located in the meticulously maintained and highly desired Woodlands community.
    • Enjoy the in‑ground pool and dog run.
    • Features a spacious living room, eat‑in kitchen, half bath, pantry, washer/dryer alcove, and semi‑private deck.
    View details
    Based on your search, we've compiled 6 Potential Opportunities for your consideration. Besides 2 Active listings in Islip Manor, 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.

    Bay Shore Legal Duplex
    Pending
    $599,000
    1,755 SF

    Bay Shore Legal Duplex

    Well-maintained legal 2-family residence in a desirable neighborhood.

    44 Chapman Pl, Bayshore, NY 11706
    View details
    Spacious Duplex with Detached Garage
    $589,999

    Spacious Duplex with Detached Garage

    Two-family duplex with detached garage on a spacious lot.

    28 Oneill Ave, Bayshore, NY 11706
    View details
    Sayville Legal Two-Family Residence
    Pending
    $699,990
    0.27 Acres

    Sayville Legal Two-Family Residence

    Two-family property in Sayville with long-term tenants.

    60 Lincoln Ave, Sayville, NY 11782
    View details
    Sayville Duplex with Income Potential
    $850,000
    3,487 SF

    Sayville Duplex with Income Potential

    Legal two-family home in the heart of Sayville, built in 1880.

    46 Lincoln Ave, Sayville, NY 11782
    View details

    Islip Manor, NY Duplexes Investment Opportunities Market Analysis

    Explore 2 duplexes for sale in Islip Manor, NY on our real estate platform. These investment opportunities span a total of 6,970 square feet of properties for sale, with an estimated market value of $599,999.

    Prices for duplexes in Islip Manor, NY start at $599,999, averaging $599,999, and reaching up to $599,999 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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