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    Southampton, NY Office Spaces for Lease

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    Watermill, NY Hampton Bays, NY Bridgehampton, NY Sagaponack, NY Wainscott, NY Sag Harbor, NY East Hampton, NY Cutchogue, NY
    12 properties
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    Renovated Retail Space with Clerestory Windows
    Updated: Jan 30
    Renovated Retail Space with Clerestory Windows

    15 Windmill Lane, Southampton, NY 11968

    $8,000/Mo
    1,110 sqft
    Fully renovated commercial complex with new mechanical systems and a refreshed facade
    Open floor plan with high central ceilings and clerestory windows
    Village Business zoning supports retail, office, wellness, gallery, or showroom use
    Signalized intersection of Hill Street, Windmill Lane, and Jobs Lane
    Across from Agawam Park with surrounding public parking
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    Two-Level Flex Space
    Updated: Sep 23, 2025
    Two-Level Flex Space

    1 Mariner Drive, Unit 4, Southampton, NY 11968

    $3,000/Mo
    2,800 sqft 1.90 AC lot
    2,800‑square‑foot industrial unit configured across two levels
    Four separate areas: first‑floor office and flex space, two connected offices, and an upper‑level open area
    Tall atrium entry with open staircase provides circulation between office and flex areas
    South‑facing windows in the first‑floor suite and connected second‑floor offices
    Private bathroom serving the connected upstairs offices
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    Second-Floor Office Units
    Second-Floor Office Units

    149 Hampton Road, Southampton, NY 11968

    $2,750/Mo
    3,875 sqft 0.41 AC lot

    Bright office suites with shared entry access and private rear parking in Southampton’s business district.

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    Professional Office Space
    Professional Office Space

    1-493 Montauk Hwy, Southampton, NY 11968

    $2,700/Mo

    Office space offered for rent in East Quogue, suited for professional use along Montauk Highway.

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    Freestanding Retail Building with Parking
    Freestanding Retail Building with Parking

    28 Cameron, Southampton, NY 11968

    $15,000/Mo

    VB-zoned commercial property combines retail, office, and storage areas across two levels.

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    Professional Office Unit
    Professional Office Unit

    20 Sanford Place, Southampton, NY 11968

    $4,931/Mo
    0.30 AC lot

    Functional office setting with multiple work areas, private offices, kitchenette, parking, and storage potential.

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    Corner Office Suite
    Corner Office Suite

    59 Maplel Street, Southampton, NY 11968

    $2,865/Mo
    560 sqft

    Professional workspace with a private bathroom, shared parking, and convenient access to Southampton Village amenities.

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    Two-Level Industrial Flex Space
    Two-Level Industrial Flex Space

    1 Mariner Drive, Unit 4, Southampton, NY 11968

    Contact for pricing
    2,800 sqft

    Four separately available areas combine office, workshop or storage, upper-level offices, and an open training or studio space.

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    Auto Dealership Showroom Building
    Auto Dealership Showroom Building

    691 County Road 39A, Southampton, NY 11968

    Contact for pricing
    17,700 sqft 2.25 AC lot

    A 17,700+/- sq. ft. showroom and service facility on a centrally located parcel with ample on-site parking.

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    Southampton Commercial Space For Rent
    Southampton Commercial Space For Rent

    59 Maple Street, Southampton, NY 11968

    $62 SF/Yr
    1,828 sqft 0.18 AC lot

    Commercial space for rent across from train station in Southampton.

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    Office/Warehouse Flex Space
    Office/Warehouse Flex Space

    468 County Road 39, Southampton, NY 11968

    Contact for pricing

    Bright office and warehouse space with tall ceilings, multiple areas, and 20 parking spots on Highway Business-zoned property.

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    Two-Level Industrial Flex Unit
    Two-Level Industrial Flex Unit

    1 Mariner Dr, Southampton, NY 11968

    Contact for pricing

    Four distinct areas combine office, workshop/storage, and upper-level open space.

    View details
    Based on your search, we've compiled 39 Potential Opportunities for your consideration. Besides 12 Active listings in Southampton, NY, we suggest exploring alternatives. Consider Similar 4 Spaces in Nearby Cities, and Similar 19 Properties for Sales.

    Office Spaces for Lease in Nearby Cities

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

    New Two-Story Office Building
    New Two-Story Office Building

    Watermill, NY 11976

    $44,166/Mo

    Newly built office property with elevator access, flexible suite configuration, basement storage, and dedicated parking.

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    Renovated Second-Floor Office Units
    Renovated Second-Floor Office Units

    200 W Montauk Highway, Hampton Bays, NY 11946

    $3,050/Mo
    1.60 AC lot

    HB-zoned office space with hardwood flooring, central air, and access to a paved parking area.

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    Renovated Second-Floor Office Units
    Renovated Second-Floor Office Units

    200 W Montauk Highway, Hampton Bays, NY 11946

    $3,500/Mo
    1.60 AC lot

    HB-zoned office space offers central air, hardwood flooring, and access to a newly paved parking lot.

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    New Medical Office Space
    New Medical Office Space

    Watermill, NY 11976

    $85 SF/Yr
    6,300 sqft 0.96 AC lot

    New medical office space for lease in Watermill, NY.

    View details

    Similar Spaces for Sale in Southampton, NY

    Consider Similar Space for Sale. We found 19 Spaces matching your search parameters.

    Freestanding Two-Level Office Building
    Freestanding Two-Level Office Building

    28 Cameron Street, Southampton, NY 11968

    $2,450,000
    2,640 sqft 0.25 AC lot

    Flexible commercial layout with private parking, backup power, and Village Business zoning in Southampton Village.

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    Office Building with Surface Parking
    Office Building with Surface Parking

    97 N Sea Road, Southampton, NY 11968

    Contact for pricing
    6,015 sqft 1.25 AC lot

    Four suites and three tenants occupy a fully leased office property near Southampton Village.

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    Multi-Tenant Office Building
    Multi-Tenant Office Building

    425 County Road 39A, Southampton, NY 11968

    Contact for pricing
    12,214 sqft

    Fully occupied office property with elevator service, surface parking, and a diversified mix of professional tenants.

    View details
    Freestanding Office Building with HB Zoning
    Freestanding Office Building with HB Zoning

    2036 County Rd 39, Southampton, NY 11968

    $2,750,000

    Two entrances and adaptable interior areas support either single-user or multi-tenant occupancy.

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    Flex Space with Warehouse Capacity
    Flex Space with Warehouse Capacity

    1625 County Rd 39, Southampton, NY 11968

    $5,995,000

    Flexible commercial building combines finished offices with multi-bay warehouse space and drive-around site circulation.

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    Mixed-Use Building with Elevator
    Mixed-Use Building with Elevator

    16 Hampton Rd, Southampton, NY 11968

    $6,500,000
    5,200 sqft 0.10 AC lot

    Newer village commercial property with retail and office space, a full basement, loading access, and reserved parking.

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    Ground-Floor Medical Office
    Ground-Floor Medical Office

    349 MEETING HOUSE LN, Southampton, NY 11968

    $725,000
    952 sqft

    Two-entry condo with reception space, private offices, and parking within a hospital-adjacent medical complex.

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    Medical Office Condominium Unit
    Medical Office Condominium Unit

    349 MEETING HOUSE LN, Southampton, NY 11968

    $585,000
    730 sqft

    Medical office unit within a larger healthcare complex across from Stony Brook Southampton Hospital.

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    Bi-Level Medical Office Condominium
    Bi-Level Medical Office Condominium

    339 Meeting House Lane, Southampton, NY 11968

    $1,500,000
    2,133 sqft

    Vacant two-level medical condominium with flexible interior areas, dual entrances, and abundant parking within a medical complex.

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    Contiguous Medical Office Units
    Contiguous Medical Office Units

    349 Meeting House Lane, Southampton, NY 11968

    $1,140,000
    1,421 sqft

    Configured with treatment rooms, reception, waiting, and support areas for medical office use.

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    Medical Office Condominium
    Medical Office Condominium

    349 Meeting House Lane, Southampton, NY 11968

    $555,000
    691 sqft

    Medical workspace with reconfiguration flexibility and public water service.

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    Second-Floor Medical Office Condo
    Second-Floor Medical Office Condo

    349 MEETING HOUSE LN, Southampton, NY 11968

    $390,000
    620 sqft

    The suite includes a reception area, two offices, and a private bath.

    View details

    Potential Development Sites for Consideration

    Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

    Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

    Commercial Land Development Site
    Commercial Land Development Site

    1467 Montauk Highway, Mastic, NY 11967

    $2,500/Mo
    0.55 AC lot

    Vacant commercial parcel with public water and capacity for a new building.

    View details
    Prime Land for Ground Lease
    Prime Land for Ground Lease

    Shirley, NY 11967

    Contact for pricing
    0.46 AC lot

    20,245 sq ft land in high-traffic retail corridor.

    View details
    Prime Retail Corridor Land Lease
    Prime Retail Corridor Land Lease

    550 William Floyd Parkway, Shirley, NY 11967

    $10,000/Mo
    0.46 AC lot

    20,245 sq ft land for lease in Shirley, NY.

    View details
    Corner Commercial Land
    Corner Commercial Land

    574 Montauk Highway, Shirley, NY 11967

    $1,500/Mo
    0.18 AC lot

    A compact parcel fronts a busy roadway and has public water available.

    View details

    Southampton, NY Office Spaces Lease Rates & Market Statistics

    Browse 12 Office Spaces for lease in Southampton, NY on Realmo, a commercial real estate marketplace serving the Southampton area. The current inventory totals 30,673 square feet of properties — an average of ~2,550 SF per listing.

    Office Spaces lease rates in Southampton range from $12.86 SF/Yr at the entry level to $236.84 SF/Yr at the top of the market, averaging $107.21 SF/Yr. That's a 18x spread between entry-level and premium space, making side-by-side comparison of asking rents and lease terms essential. At $107.21 SF/Yr, the local average runs 232% above New York's state average of $32.31 SF/Yr.

    Southampton accounts for 2% of the 498 office spaces currently available across Suffolk County, where nearby markets include Melville and Huntington.

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