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    Mount Sinai, NY
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    Mount Sinai, NY Commercial Land for Sale

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    Port Jefferson, NY Miller Place, NY Coram, NY Strongs Neck, NY Selden, NY Rocky Point, NY Brookhaven, NY Middle Island, NY
    Vacant Land in Mount Sinai
    Updated: Feb 11
    Vacant Land in Mount Sinai

    28 Rocky Hill Road, Mount Sinai, NY 11766

    $449,000
    1.28 AC lot
    Waterview (Winter)
    Vacant Land ready for your vision
    Located in the Historic District
    Location Available (Coordinates Provided)
    No Active Permits
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    Mount Sinai Land For Sale
    Updated: Nov 27, 2025
    Mount Sinai Land For Sale

    306 Route 25A, Mount Sinai, NY 11766

    $8,500,000
    No selling points could be extracted from the provided information.
    View details
    Commercial Development Sites on Route 25A
    Commercial Development Sites on Route 25A

    Mount Sinai, NY 11766

    Contact for pricing
    87,000 sqft 8.54 AC lot

    Two contiguous commercial development sites for sale on Route 25A.

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    Turn Any Listing Into an Investment Snapshot Owner equity, real caprate, demand score for every listing. Go To Analytics Center
    Based on your search, we've compiled 76 Potential Opportunities for your consideration. Besides 3 Active listings in Mount Sinai, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 69 Off-Market properties to explore as potential leads

    Opportunities in Nearby Cities

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

    Flag Lot Zoned J4 Land
    Flag Lot Zoned J4 Land

    101 Sylvan Ave, Miller Place, NY 11764

    $459,000
    1.02 AC lot

    Flag lot commercial parcel zoned J4, offering a range of uses with special permit options.

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    Commercial Land with J2 Zoning
    Commercial Land with J2 Zoning

    Oakland Avenue, Miller Place, NY 11764

    $129,900
    0.08 AC lot

    Small commercial parcel on Oakland Avenue in Miller Place, offered as-is with J2 zoning and variance requirements.

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    Commercial Land Investment Opportunity
    Commercial Land Investment Opportunity

    525 Rte 112 Rd 1, Port Jefferson Station, NY 11776

    $879,990
    0.23 AC lot

    Commercial land available for sale, permits required.

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    Commercial Development Land with Double Access
    Commercial Development Land with Double Access

    527/529 Route 112, Port Jefferson Station, NY 11776

    $3,250,000
    4.10 AC lot

    Level commercial land with double curb cuts and a designated traffic light/arrow for flexible site planning and approvals.

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    Off-Market Properties in Mount Sinai, NY

    Consider similar Off-Market properties in Mount Sinai, NY. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

    Plymouth Ave
    VACANT COMMERCIAL LAND

    Plymouth Ave, Mount Sinai, NY 11766

    $775,000
    Estimated value
    View details
    Plymouth Ave
    VACANT COMMERCIAL LAND

    Plymouth Ave, Mount Sinai, NY 11766

    $825,000
    Estimated value
    View details
    87 Farm Acre Cir
    VACANT COMMERCIAL LAND

    87 Farm Acre Cir, Mount Sinai, NY 11766-3426

    $950,000
    Estimated value
    View details
    Canal Rd
    VACANT COMMERCIAL LAND

    Canal Rd, Mount Sinai, NY 11766

    Value Estimation by Request
    0.20 AC lot
    View details
    11 Plymouth Ave
    VACANT COMMERCIAL LAND

    11 Plymouth Ave, Mount Sinai, NY 11766-2629

    Value Estimation by Request
    17.05 AC lot
    View details
    530 Rte 25a
    VACANT COMMERCIAL LAND

    530 Rte 25a, Mount Sinai, NY 11766

    Value Estimation by Request
    0.70 AC lot
    View details
    Park Ave
    VACANT COMMERCIAL LAND

    Park Ave, Mount Sinai, NY 11766

    Value Estimation by Request
    0.58 AC lot
    View details
    Clubhouse Ct
    VACANT COMMERCIAL LAND

    Clubhouse Ct, Mount Sinai, NY 11766

    Value Estimation by Request
    2.82 AC lot
    View details
    Tyler St
    VACANT COMMERCIAL LAND

    Tyler St, Mount Sinai, NY 11766

    Value Estimation by Request
    0.35 AC lot
    View details
    Hallock Ave
    VACANT COMMERCIAL LAND

    Hallock Ave, Mount Sinai, NY 11766

    Value Estimation by Request
    0.38 AC lot
    View details
    Mt Sinai Coram Rd
    VACANT COMMERCIAL LAND

    Mt Sinai Coram Rd, Mount Sinai, NY 11766

    Value Estimation by Request
    1.16 AC lot
    View details
    Rte 25a
    VACANT COMMERCIAL LAND

    Rte 25a, Mount Sinai, NY 11766

    Value Estimation by Request
    1.21 AC lot
    View details
    Rte 25a
    VACANT COMMERCIAL LAND

    Rte 25a, Mount Sinai, NY 11766

    Value Estimation by Request
    2.35 AC lot
    View details
    Rte 25a
    VACANT COMMERCIAL LAND

    Rte 25a, Mount Sinai, NY 11766

    Value Estimation by Request
    0.32 AC lot
    View details
    Plymouth Ave
    VACANT COMMERCIAL LAND

    Plymouth Ave, Mount Sinai, NY 11766

    Value Estimation by Request
    View details
    Plymouth Ave
    VACANT COMMERCIAL LAND

    Plymouth Ave, Mount Sinai, NY 11766

    Value Estimation by Request
    View details
    Plymouth Ave
    VACANT COMMERCIAL LAND

    Plymouth Ave, Mount Sinai, NY 11766

    Value Estimation by Request
    View details
    Plymouth Ave
    VACANT COMMERCIAL LAND

    Plymouth Ave, Mount Sinai, NY 11766

    Value Estimation by Request
    View details
    Plymouth Ave
    VACANT COMMERCIAL LAND

    Plymouth Ave, Mount Sinai, NY 11766

    Value Estimation by Request
    View details
    Plymouth Ave
    VACANT COMMERCIAL LAND

    Plymouth Ave, Mount Sinai, NY 11766

    Value Estimation by Request
    View details
    Plymouth Ave
    VACANT COMMERCIAL LAND

    Plymouth Ave, Mount Sinai, NY 11766

    Value Estimation by Request
    View details

    Mount Sinai, NY Commercial Land Market Trends and Statistics

    Explore 72 commercial land for sale in Mount Sinai, NY, showcased through 3 active listings on our real estate platform. These investment opportunities span a total of 87,000 square feet of properties for sale, with an estimated market value of $8,949,000.

    Sale prices for commercial lots in Mount Sinai, NY start at $0.00, averaging $2,983,000, and reaching up to $8,500,000 — 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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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Commercial land 5
    Waterfront Land 2

    Demographics Overview

    Population 11K
    Population Growth (5Y) -7.5%
    Median Household Income $157,564
    College Educated 77.7%

    High-Yield Neighborhoods for Investment

    Identify Mount Sinai submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    11766 $4.5M

    Listings Trend

    New vs delisted commercial listings in Suffolk County

    New Delisted

    Total CRE Inventory on Market (SF)

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