Fire Island, NY Residential income 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

Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center

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.

Brick Duplex with Garages

66-68 Hawthorne, East Islip, NY 11730

$895,000

0.52 AC lot

Two residential units offer private garages, flexible living areas, and shared laundry hookups.

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Two-Unit Duplex with Private Driveway

21 Carleton Ave, East Islip, NY 11730

$799,000

Separate boilers and split HVAC systems serve the residences, while the driveway accommodates multiple vehicles.

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Three-Unit Triplex with Three Kitchens

120 N Ocean Ave, Patchogue, NY 11772

$799,000

The property includes two ground-level units and is situated within B zoning for residential and office use.

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Mixed-Use Property Near LIRR

90 Medford Ave, Patchogue, NY 11772

$615,000

Converted mixed-use property with medical offices and residential space.

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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.

Mastic, NY Vacant Lots

VL Mastic Boulevard, Mastic, NY 11950

$239,000

0.14 AC lot

Five vacant lots in Mastic, NY, prime development opportunity.

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Shovel-Ready Building Lot Opportunity

Canal Road, Port Jefferson Station, NY 11776

$249,999

0.18 AC lot

Ready-to-build lot with approved plans in Port Jefferson Station.

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Residential Land in Port Jefferson

Thompson St/E. Broadway, Port Jefferson, NY 11777

$1,500,000

1.25 AC lot

Four-lot subdivision in Port Jefferson Village, ready for development.

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Residential Lot in Wyandanch, NY

6 Pine Street, Wyandanch, NY 11798

$49,000

0.09 AC lot

Residential lot for sale in a friendly neighborhood setting.

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Fire Island, NY Residential Income Properties Market Trends and Statistics

Explore 1 residential income properties for sale in Fire Island, NY on our real estate platform.

Sale prices for residential income properties in Fire Island, NY average $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.

Neighborhood	Average Price
Sayville - 11782	$600K

Neighborhood

Average Price

Sayville - 11782

$600K

Fire Island, NY Residential Income Properties for Sale

240 Harbor Walk C240, Fire Island, NY 11782