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Commercial Real Estate for Sale and Lease in Setauket, NY | Realty.com

Start here

Homes for sale by state
Home buying tips
Before you start looking
The buying timeline

Afford it

Today's mortgage rates
Mortgage calculator
How much can I afford?
Get pre-approved

Make the deal

Writing a winning offer
Inspections & appraisals
Closing costs, itemized
Find a buyer's agent

Save search Advertise Sign In

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Residential
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2 listings

Selling Options

What's my home worth?
Compare selling options
Get an instant cash offer
Buy before you sell

Resources

How selling works
When should I sell?
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Pricing your home
What's worth fixing first
Find a seller's agent

Save search

Commercial Real Estate for Sale and Lease in Setauket, NY

Commercial Real Estate for Sale and Lease in Setauket, NY

2 Listings

Commercial Real Estate for Sale and Lease in Setauket, NY

2 Listings

18Active
$325,000
— bd · — ba · — sqft
100 S Jersey 35, Setauket, NY
Donna McKeown · Signature Premier Properties
1Active
$1,600/mo
— bd · — ba · — sqft
100 North Country Suite 5, Setauket, NY
John S. Sanders · Shea & Sanders Real Estate Inc

L. Custen Realty, Inc. d/b/a Realty.com/L. Custen Realty CT, LLC d/b/a Realty.com (Tom O’Leary-Broker)(CT properties only), 8323 Southwest Freeway, Suite 900, Houston, Texas 77074

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Listing data & MLS disclosures

OneKey MLS: The data relating to real estate for sale on this website comes in part from the Internet Data exchange of OneKey MLS. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed. Copyright © 2026 OneKey MLS. All Rights Reserved