Fire Island, NY Multifamily properties for sale

Updated: Nov 27, 2025

Star Building Duplex Apartment

240 Harbor Walk C240, Fire Island, NY 11782

$600,000

0.40 AC lot

Steps from Harbor and Beach
2 bedroom duplex
Sought after Star Building
Large corner terrace
Washer dryer included

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Based on your search, we've compiled 9 Potential Opportunities for your consideration. Besides 1 Active listings in Fire Island, NY, we suggest exploring several alternatives: 4 properties in Nearby Cities, plus 4 Land Listings that present a potential for development.

Opportunities in Nearby Cities

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

Legal Two-Family Cape Cod

23 Robbins Avenue, Islip, NY 11751

$550,000

0.14 AC lot

Legal two-family Cape Cod offers two separate units with an unfinished basement and detached extra-deep garage.

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Medford Commercial Properties For Sale

3120 Route 112, Medford, NY 11763

$6,500,000

19,500 sqft · 1.65 AC lot

Three adjacent commercial properties totaling 4 acres in Medford, NY.

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Four Acre Commercial Property

3120 Route 112, Medford, NY 11763

$6,500,000

19,500 sqft · 4.00 AC lot

Three adjacent properties totaling four acres for sale.

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Updated Co-op with Amenities

2399 UNION Blvd 5A, Islip, NY 11751

$185,000

Updated 1-bedroom co-op with community amenities and convenient location.

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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.

Southampton Village Multifamily Opportunity

39 Halsey Avenue, Southampton, NY 11968

$2,300,000

0.33 AC lot

Two-family home in the heart of Southampton Village.

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Flatbush Development Property For Sale

14 E 32nd Street lot: 13, Brooklyn, NY 11226

$1,249,000

1,407 sqft · 0.09 AC lot

40 x 100 lot with R6, C1-2 zoning.

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Brooklyn Two-Family Home with Development Potential

69 Martense Street, Brooklyn, NY 11226

$1,888,888

2,660 sqft · 0.10 AC lot

Two-family home on a large lot with significant development potential.

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Expansive Land Parcel in Holmes

545 Grape Hollow Road, Holmes, NY 12531

$750,000

2,480 sqft · 75.32 AC lot

75+ acre land parcel with garage near I-84.

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Fire Island, NY Multifamily Properties Market Trends and Statistics

Explore 1 multifamily properties for sale in Fire Island, NY on our real estate platform. These investment opportunities span a total of 0 square feet of properties for sale, with an estimated market value of $600,000.

Sale prices for multifamily properties in Fire Island, NY start at $600,000, averaging $600,000, and reaching up to $600,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

Fire Island, NY Multifamily Properties for Sale

240 Harbor Walk C240, Fire Island, NY 11782