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    Southampton, NY Office Spaces for Lease

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    Watermill, NY Bridgehampton, NY Hampton Bays, NY Sagaponack, NY Wainscott, NY Sag Harbor, NY Jamesport, NY East Quogue, NY
    9 properties
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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
    View details
    Second-Floor Office Units
    Updated: Jul 7, 2025
    Second-Floor Office Units

    149 Hampton Road, Southampton, NY 11968

    $2,750/Mo
    3,875 sqft 0.41 AC lot
    Second‑floor office units within a 3,875‑square‑foot professional office building
    Five offices and a storage room available
    Office sizes include 98 SF, 76 SF, and 156 SF
    Private parking located at the rear of the property
    Across from Southampton Town Hall near Main Street and Montauk Highway
    View details
    First-Floor Office Suite
    First-Floor Office Suite

    429 MONTAUK HWY, Southampton, NY 11942

    $2,000/Mo
    0.36 AC lot

    A private office and two separate work areas are complemented by shared kitchen access.

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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.

    View details
    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.

    View details
    Based on your search, we've compiled 24 Potential Opportunities for your consideration. Besides 9 Active listings in Southampton, NY, we suggest exploring alternatives. Consider Similar 4 Spaces in Nearby Cities, and Similar 9 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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    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
    Commercial Space For Lease
    Commercial Space For Lease

    157 W Montauk Hwy, Hampton Bays, NY 11946

    Contact for pricing
    5,942 sqft

    Commercial property available for lease in Hampton Bays, NY.

    View details
    Hampton Bays Office Space Available
    Hampton Bays Office Space Available

    157 W Montauk Hwy, Hampton Bays, NY

    Contact for pricing
    5,942 sqft 2.10 AC lot

    Spacious office in landscaped campus, divisible, with ample parking.

    View details

    Similar Spaces for Sale in Southampton, NY

    Consider Similar Space for Sale. We found 9 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.

    View details
    Office Building with Backup Generator
    Office Building with Backup Generator

    2036 County Road 39, Southampton, NY 11968

    $2,750,000
    6,000 sqft

    Multi-level office space offers private suites, shared work areas, and on-site parking.

    View details
    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.

    View details
    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.

    View details
    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.

    View details
    Second-Floor Office Suites
    Second-Floor Office Suites

    149 Hampton Rd, Southampton, NY 11968

    Contact for pricing
    3,875 sqft

    Second-floor office suites with multiple private offices and a shared entry, served by a rear private parking area.

    View details
    Mixed-Use Building with Parking
    Mixed-Use Building with Parking

    59 Maplel Street, Southampton, NY 11968

    $1,575,000
    1,881 sqft

    Single-story property combines professional office suites with a residential apartment and on-site parking.

    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.

    Prime Land for Ground Lease
    Prime Land for Ground Lease

    550 William Floyd Parkway, Shirley, NY 11967

    $10,000/Mo
    0.46 AC lot

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

    View details
    Fenced Commercial Land
    Fenced Commercial Land

    586 Montauk Highway, Shirley, NY 11967

    $1,000/Mo
    0.18 AC lot

    Fenced vacant parcel beside a grocery and deli with cable availability and private water.

    View details

    Southampton, NY Office Spaces Lease Rates & Market Statistics

    Browse 9 Office Spaces for lease in Southampton, NY on Realmo, a commercial real estate marketplace serving the Southampton area. The current inventory totals 11,863 square feet of properties.

    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 $111.35 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 $111.35 SF/Yr, the local average runs 260% above New York's state average of $30.92 SF/Yr.

    Southampton accounts for 2% of the 390 office spaces currently available across Suffolk County, where nearby markets include Huntington and Melville.

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