Southampton, NY Office Units for Rent & Lease

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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Updated: Sep 9

First-Floor Office Suite

429 MONTAUK HWY, Southampton, NY 11942

$2,200/Mo

0.36 AC lot

700+ sq. ft. first‑floor office unit
One private office plus two separate workspaces
Optional conference room available
Heat, air conditioning, electric, and other utilities included
Off‑street parking and shared kitchen access

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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

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

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

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

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

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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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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Based on your search, we've compiled 17 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 4 Properties for Sales.

Office Units for Lease in Nearby Cities

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

East Quogue Commercial Office Space

472 Montauk Highway, East Quogue, NY 11942

$1,850/Mo

800 sqft

Premium office spaces in East Quogue, convenient to Hamptons.

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Second-Floor Office Units

472 Montauk Highway, East Quogue, NY 11942

$1,850/Mo

Two flexible offices offer natural light and can be leased separately or together.

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Multi-Room Office Suite

13355 Main Road, Mattituck, NY 11952

$1,000/Mo

1,000 sqft

Second-floor workspace with a private entrance, bathroom, and multiple rooms.

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Second-Floor Office Suite

13355 Main Road, Mattituck, NY 11952

$1,000/Mo

1,000 sqft

Private multi-room office layout with a bathroom and dedicated access.

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Similar Spaces for Sale in Southampton, NY

Consider Similar Space for Sale. We found 4 Spaces matching your search parameters.

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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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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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.

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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.

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Southampton, NY Office Units Lease Rates & Market Statistics

Browse 9 Office Units 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 Units 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 274% above New York's state average of $29.78 SF/Yr.

Southampton accounts for 3% of the 291 office units currently available across Suffolk County, where nearby markets include Huntington and Hauppauge. Office Units make up 100% of the 9 Office Spaces currently for lease in Southampton, with asking rates in line with the citywide Office Spaces average.