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East Islip, NY Commercial Real Estate for Sale

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Renovated Multi-Tenant Office Building
$800,000
0.28 Acres

Renovated Multi-Tenant Office Building

128 Carleton Avenue, East Islip, NY 11730

Professional office building with strong rental potential in East Islip.

  • 100% Occupied Multi‑Tenant Building in GST Zone
  • Completely Renovated in 2020: HVAC, Exterior, Interiors
  • Features 7 Private Offices + Spacious Conference Room
  • Detached Garage for Storage or Expanded Use
  • Modern Kitchenette and 2 Renovated Bathrooms
Updated: Feb 16
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East Islip Medical/Fitness Property
$7,500,000
23,518 SF

East Islip Medical/Fitness Property

269 E Main St, E Islip, NY

23,518 SF building on 1.2 acres, high-traffic location.

  • +/-23,518 SF Building with parking on a 1.2 Acre Lot
  • Two‑Tenant, low‑management medical and fitness property
  • Located on heavily‑trafficked East Main Street (Montauk Hwy)
  • Combined WALT of 11 years
Updated: May 6, 2025
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Based on your search, we've compiled 205 Potential Opportunities for your consideration. Besides 2 Active listings in East Islip, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 199 Off-Market properties to explore as potential leads

Explore Opportunities in Nearby Cities

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

Commercial Land in Bay Shore
$99,000
0.09 Acres

Commercial Land in Bay Shore

Commercial land with great exposure on a corner lot.

Bayshore, NY 11706
View details
Commercial Building on Union Boulevard
Contact for pricing
2,671 SF

Commercial Building on Union Boulevard

2,671 SF commercial building on 0.39 acres in Bay Shore.

Bayshore, NY 11706
View details
Oakdale Self-Storage
$7,700,000
29,090 SF

Oakdale Self-Storage

Oakdale Self-Storage

1625 Montauk Hwy, Oakdale, NY 11769
View details
Retail Space on Signalized Corner
$1,500,000
3,500 SF

Retail Space on Signalized Corner

Retail property with high traffic counts and excellent frontage.

1535 Montauk Hwy, Oakdale, NY
View details

Explore Off-Market Properties in East Islip, NY

Consider similar Off-Market properties in East Islip, 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.

109 Carleton Ave

109 Carleton Ave

AUTO REPAIR, GARAGE • 0.73 Acres
Value Estimation
$800,000
109 Carleton Ave, East Islip, NY 11730-1801
View details
1 Jackson St

1 Jackson St

OFFICE BUILDING • 0.34 Acres
Value Estimation
$1,150,000
1 Jackson St, East Islip, NY 11730
View details
33 Main St

33 Main St

STORE/OFFICE (MIXED USE) • 0.15 Acres
Value Estimation by Request
33 Main St, East Islip, NY 11730-2541
View details
80 Carleton Ave

80 Carleton Ave

OFFICE/RESIDENTIAL (MIXED USE) • 0.22 Acres
Value Estimation by Request
80 Carleton Ave, East Islip, NY 11730-2110
View details
154 Main St

154 Main St

STORE/OFFICE (MIXED USE) • 0.17 Acres
Value Estimation by Request
154 Main St, East Islip, NY 11730-2633
View details
168 Carleton Ave

168 Carleton Ave

BAR, TAVERN • 0.40 Acres
Value Estimation by Request
168 Carleton Ave, East Islip, NY 11730-1814
View details
146 Main St

146 Main St

STORE/OFFICE (MIXED USE) • 0.24 Acres
Value Estimation by Request
146 Main St, East Islip, NY 11730-2640
View details
369 Main St

369 Main St

OFFICE BUILDING • 0.04 Acres
Value Estimation by Request
369 Main St, East Islip, NY 11730-2800
View details
132 Connetquot Ave

132 Connetquot Ave

STORE/OFFICE (MIXED USE) • 0.36 Acres
Value Estimation by Request
132 Connetquot Ave, East Islip, NY 11730-1418
View details
70-74 Main St

70-74 Main St

OFFICE/RESIDENTIAL (MIXED USE) • 0.25 Acres
Value Estimation
$1,100,000
70-74 Main St, East Islip, NY 11730
View details
62 Main St

62 Main St

OFFICE/RESIDENTIAL (MIXED USE) • 0.08 Acres
Value Estimation
$2,000,000
62 Main St, East Islip, NY 11730-2322
View details
64-66 Main St

64-66 Main St

OFFICE/RESIDENTIAL (MIXED USE) • 0.15 Acres
Value Estimation
$2,000,000
64-66 Main St, East Islip, NY 11730
View details
Montauk Hwy

Montauk Hwy

STORE/OFFICE (MIXED USE) • 0.26 Acres
Value Estimation by Request
Montauk Hwy, East Islip, NY 11730
View details
158 Carleton Ave

158 Carleton Ave

VACANT COMMERCIAL LAND • 0.17 Acres
Value Estimation by Request
158 Carleton Ave, East Islip, NY 11730-1814
View details
37 Wall St

37 Wall St

BULK STORAGE, TANKS • 2.07 Acres
Value Estimation
$995,000
37 Wall St, East Islip, NY 11730-1716
View details
33 Wall St

33 Wall St

LUMBERYARD, BUILDING MATERIALS • 2.12 Acres
Value Estimation
$2,005,000
33 Wall St, East Islip, NY 11730-1716
View details
369 Main St

369 Main St

OFFICE BUILDING • 0.03 Acres
Value Estimation by Request
369 Main St, East Islip, NY 11730-2800
View details
214 Main St

214 Main St

STORE/OFFICE (MIXED USE) • 0.33 Acres
Value Estimation
$1,640,000
214 Main St, East Islip, NY 11730-2711
View details
120 Carleton Ave

120 Carleton Ave

AUTO REPAIR, GARAGE • 0.55 Acres
Value Estimation by Request
120 Carleton Ave, East Islip, NY 11730-1804
View details
109 Main St

109 Main St

OFFICE/RESIDENTIAL (MIXED USE) • 0.15 Acres
Value Estimation
$2,930,000
109 Main St, East Islip, NY 11730-2321
View details
73 Main St

73 Main St

OFFICE/RESIDENTIAL (MIXED USE) • 0.06 Acres
Value Estimation
$550,000
73 Main St, East Islip, NY 11730-2319
View details
76 Main St

76 Main St

OFFICE/RESIDENTIAL (MIXED USE) • 0.20 Acres
Value Estimation
$665,000
76 Main St, East Islip, NY 11730-2334
View details

East Islip, NY Commercial Real Estate Investment Opportunities Market Analysis

Explore 201 commercial real estate for sale in East Islip, NY on our real estate platform. These investment opportunities span a total of 12,197 square feet of properties for sale, with an estimated market value of $800,000.

Sale prices for business properties in East Islip, NY start at $800,000, averaging $800,000, and reaching up to $800,000 — 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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