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  • Islandia NY Real Estate & Commercial for Sale

    The median home value in Islandia, NY is $508,909. This is higher than the county median home value of $490,000. The national median home value is $308,980. The average price of homes sold in Islandia, NY is $508,909. Approximately 68.36% of Islandia homes are owned, compared to 18.09% rented, while 13.64% are vacant. Islandia real estate listings include condos, townhomes, and single family homes for sale. Commercial properties are also available. If you like to see a property, contact Islandia real estate agent to arrange a tour today!
    Learn more about Islandia.


    Showing Homes Nearby Islandia, NY
    Beds:
    n/a
    Baths:
    Sq.Ft.:
    1,622
    Status:
    Active
    MLS#:
    3536426
    Type:
    Mixed Use, Business Opportunities
    Lot size:
    0.61 Acres
    A broker reciprocity listing Listing by: Realty Connect USA L I Inc, 631-881-5160
    View additional info

    ATTENTION BUSINESS OWNERS! AN EXCEPTIONAL UNIQUE OPPORTUNITY AWAITS! This classic traditional office building is situated on over a 1/2 acre lot- Oblong Dimensions: (61' on Smithtown Blvd x 479 on east side) OFFERS PRIME commercial space with LIMITLESS POSSIBILITIES! While the size of this building is quite deceiving from the outside, inside there are multiple offices, 2 bathrooms, Nest thermostat, waiting area, break room, outside entrance from basement (also egress windows). In-ground Sprinklers. Ideal for various businesses, the expansive lot provides flexibility for customization and possible expansion. Embrace the potential of this well-located property, where entrepreneurial visions can flourish. Don't miss the chance to make your mark in this thriving commercial space! **OWNER FINANCING AVAILABLE IF QUALIFIED**

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    638
    Status:
    Active
    MLS#:
    3523226
    Type:
    Mixed Use, Business Opportunities
    A broker reciprocity listing Listing by: American Real Estate Assoc Inc, 631-862-6605
    View additional info

    Conveniently Located Office Space With Plenty Of On-Site Parking Available For Sale In Marmil Plaza. This Second Floor Office Condominium Offers Elevator Access And Is Suitable For A Wide Range Of Businesses Or Professional Use. Monthly Maintenance Fees Are $170 Per Month.

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    n/a
    Status:
    Active
    MLS#:
    3518908
    Type:
    Mixed Use, Business Opportunities
    A broker reciprocity listing Listing by: Maya Real Estate, 631-981-1701
    View additional info

    CLC autorepair shop has been in business for 15 years

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    n/a
    Status:
    Active
    MLS#:
    3454124
    Type:
    Mixed Use, Business Opportunities
    Lot size:
    0.13 Acres
    A broker reciprocity listing Listing by: Daniel Gale Sothebys Intl Rlty, 516-759-6822
    View additional info

    Investment opportunity with upside side development potential

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    1,200
    Status:
    Active
    MLS#:
    3404697
    Type:
    Mixed Use, Business Opportunities
    Lot size:
    0.25 Acres
    A broker reciprocity listing Listing by: RE/MAX Best, 631-585-2222
    View additional info

    Commercial Building On Busy Hawkins Avenue, Ronkonkoma Is Great For Office Use Or Retail (Approved By Town) Which Also Has A Grease Pit For Restaurant Use With A Septic System. In Addition, There Is A Cottage Located Behind The Commercial Building Which Has "3" Studio Apartments. Start Your Business And Have A Monthly Income From The "3" Studios Apartments. Commercial Building is now available for lease.

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    3,200
    Status:
    Active
    MLS#:
    3533257
    Type:
    Mixed Use, Business Opportunities
    Lot size:
    0.1 Acres
    A broker reciprocity listing Listing by: RE/MAX Best, 631-585-2222
    View additional info

    30 x 150' Mixed use Lot with Building. Building has a Business office on 1st level with 1/2 bath, Kitchenette, reception area, conference room, back offices and on the 2nd level is a Legal Bright and Sunny Apartment with 2 Large Bedrooms with full sized closets with Eat in Kitchen and Living room and Front & rear Entrances (located in Sachem Schools. Unfinished basement with utilities. Separate Meters, Central Air Gas heat .New Roof, Ample parking behind building.

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    n/a
    Status:
    Active
    MLS#:
    3515674
    Type:
    Mixed Use, Business Opportunities
    Lot size:
    0.41 Acres
    Year built:
    1945
    A broker reciprocity listing Listing by: Real Broker NY LLC, 518-730-4228
    View additional info

    portfolio of two properties - single family home and multifamily apartments.

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    996
    Status:
    Active
    MLS#:
    3508436
    Type:
    Office, Business Opportunities
    Lot size:
    0.02 Acres
    Year built:
    1986
    A broker reciprocity listing Listing by: DeBarbieri Assoc Inc, 631-862-7447
    View additional info

    Professional Medical office in Smithtown. Professional Park End Corner unit 996 square feet, Reception Area, four offices with sinks and Handicap half bath, ample on site parking, ideal medical, legal, accountant, etc. 1st floor Ground Level, No steps, Central Air Conditioning & Heat Pump

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    1,127
    Status:
    Active
    MLS#:
    3497176
    Type:
    Mixed Use, Business Opportunities
    Lot size:
    0.05 Acres
    Year built:
    1975
    A broker reciprocity listing Listing by: Douglas Elliman Comm of LI LLC, 631-858-2405
    View additional info

    Priime, Storefront Property by a traffic lite is now for sale on a busy Main Street area of Smithtown , New York. This successful and profitable 20 year old Firearms, Fish & Tackle Business is generating over a million dollars in annual sales and net profits are approximately $300,000 a year. Open your own business and enjoy the similar financial security with the full basement and location by a prime traffic signal in the heart of Smithtown ! This property includes a large storefront with front and rear parking. The price of the listing does not reflect the price of the Inventory & business !This store can be delivered broom clean.

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    2,268
    Status:
    Active
    MLS#:
    3538146
    Type:
    Mixed Use, Business Opportunities
    Lot size:
    0.27 Acres
    A broker reciprocity listing Listing by: Eric G Ramsay Jr Assoc LLC, 631-665-1500
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    2268 Sq. Ft. Office Building With Great Parking & Storage. Building Has 1 Overhead Door & Central Air. Tenant Would Like To Stay and Is Willing To Sign A 5 Year Lease. Tenant Pays $5,100 A Month. Cassone Trailers Leases Space Behind the Building And Pays $500 A Month. Taxes $15,031.64

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    1,875
    Status:
    Active
    MLS#:
    3548174
    Type:
    Business Opportunities, Warehouse
    Lot size:
    0.04 Acres
    A broker reciprocity listing Listing by: Classic Realty Partners Inc, 631-388-5255
    View additional info

    Commercial Condo In MacArthur Business Complex. Prime Location On Main Road To Mac Arthur Airport.

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    18,000
    Status:
    Active
    MLS#:
    3486736
    Type:
    Mixed Use, Business Opportunities
    Lot size:
    0.92 Acres
    Year built:
    1978
    A broker reciprocity listing Listing by: All Island Estates Realty Corp, 516-783-5600
    View additional info

    Calling All Investors, Developers & End-Users!!! 12.02 Cap 8 Unit 18,000+ Sqft. Shopping Center With 2 National Tenants For Sale!!! The Property Is Located In The Heart Of Bohemia Minutes From The Oakdale LIRR Station!!! The Building Features Excellent Signage, Great Exposure, Strong Commercial Business Zoning, 48 Parking Spaces, High 14' Ceilings, All New LED Lighting, 3 Phase Power, CAC, +++!!! The Property Has 385+ Feet Of Frontage On Sunrise Hwy.!!! The Property Has A Daily Traffic Count Of 151,700+ Vehicles Per Day!!! Neighbors Include Starbucks, Hilton Hotels, Chase Bank, Toyota, Kia, Costco, The Home Depot, Target, Stop & Shop, Best Buy, Kohl's, CubeSmart Self Storage, Walgreens, CVS, Panera Bread, Marshall's, Valero, BP Gas, Dollar Tree, Burger King, Lidl, +++!!! This Property Offers HUGE Upside Potential!!! This Could Be Your Next Investment Property Or Home For Your Business!!! Income: Suite 1: T-Mobile (2,500 Sqft.): $79,350 Ann. Lease Exp.: 7/31/2024. Suite 1A: D & B Beer & Smoke (1, 990 Sqft.): $33,093.70 Ann. Lease Exp.: 9/30/2030. Suite 2 (3,990 Sqft.): $111,720 Ann. (Available) Suite 3: SalonCentric (3,150 Sqft.): $71,631 Ann.: Lease Exp.: 9/30/2023. Suite 4 (1,995 Sqft.): $55,860 Ann. (Available) Suite 5: Verizon Wireless (1,365 Sqft.): $65,779.35 Ann. Lease Exp.: 4/30/2025. Suite 6: Brazilian Jiu-Jitsu (3,990 Sqft.): $63,600.60 Ann. Lease Exp.: 8/31/2032. Expenses: Gas: $5,400 Ann. Electric: $4,200 Ann. Water: $2,000 Ann. Trash: $3,180 Ann. Insurance: $8,200 Ann. Taxes: $50,790 Ann. Total Income: $481,034.65 Ann. Total Expenses: $73,770 Ann. Net Operating Income (NOI): $407,264.65 Ann. (Pro Forma 12.02 Cap!!!)

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    3,290
    Status:
    Active
    MLS#:
    3534022
    Type:
    Mixed Use, Business Opportunities
    Lot size:
    0.39 Acres
    A broker reciprocity listing Listing by: Signature Premier Properties, 631-767-2187
    View additional info

    Approved for 3290 sqft building with full basement, just shy 1/2 Acre on busy travlled street

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    4,188
    Status:
    Active
    MLS#:
    3535750
    Type:
    Office, Business Opportunities
    Year built:
    2007
    A broker reciprocity listing Listing by: Netter Real Estate Inc, 631-661-5100
    View additional info

    Step into this remarkable brick two-story building, constructed in 2007. It boasts a total of 4,188 square feet of professional offices, with 1,944 square feet on the first floor and 2,244 square feet on the second floor. Each of the four suites features its own gas meter, electric meter, and central air conditioning for personalized comfort and utility management. Additionally, three half baths and a full basement provide added convenience. The property is professionally landscaped with 21 parking spaces, offering ample parking for clients and employees. Conveniently located near Sunrise Highway and Hospitals, this commercial space provides both accessibility and prestige.

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    n/a
    Status:
    Active
    MLS#:
    3546001
    Type:
    Mixed Use, Business Opportunities
    Lot size:
    0.25 Acres
    A broker reciprocity listing Listing by: All Island Estates Realty Corp, 516-783-5600
    View additional info

    Calling All Investors, Developers, End-Users & Entrepreneurs!!! Successful Corner Gas Station / Repair Shop + Convenience Store For Sale!!! The Property Features Great Exposure, Excellent Signage, Strong Zoning, Brand New Pumps, Brand New Double Walled Fiberglass Tanks, 2 Bay Repair Shop, 3 Strategically Placed Curb Cuts, (2) 9k Gallon Regular Tanks, 6k Gallon Premium Tank, 28 Parking Spaces, High 14' Ceilings, Security System, 3 Phase Power, All New LED Lighting, A/C, +++!!! The Property Is Located In The Heart Of Saint James On Lake Avenue 6 Blocks From The Saint James LIRR Station!!! The Property Has 106+ Feet Of Frontage On Busy Lake Avenue!!! Neighbors Include Starbucks, USPS, Mercedes, Lexus, Acura, Kia, Toyota, Jeep-Dodge-Ram, Chevrolet, Mazda, TD Bank, King Kullen, 7-Eleven, Dunkin', Whole Foods, Costco, BP Gas, Lowe's, Trader Joe's, Macy's, +++!!! This Property Offers HUGE Upside Potential!!! This Could Be Your Next Development Site Or The Next Home For Your Business!!! This Property Can Be Purchased With 386 Lake Avenue For Only $2.988m!!! Income: 2 Bay Auto Repair: $48,000 Ann. Lease Exp.: 2026. Expenses: Taxes: $12,572 Ann.

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    n/a
    Status:
    Active
    MLS#:
    3536695
    Type:
    Mixed Use, Business Opportunities
    Lot size:
    3.78 Acres
    A broker reciprocity listing Listing by: The Agency Northshore NY, 631-870-0753
    View additional info

    Prime location just 5 minutes from Smithtown Haven Mall! Nearly 4 acres of land, currently a place of worship, offers a great opportunity for developers/builders with residential zoning.

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    970
    Status:
    Active
    MLS#:
    3527766
    Type:
    Office, Business Opportunities
    Lot size:
    0.02 Acres
    Year built:
    1985
    A broker reciprocity listing Listing by: Winkler Real Estate Inc, 631-321-8400
    View additional info

    First Floor Beautifully Renovated and Never-Used Medical, Office or Professional Condominium with 970 Square Feet in a Large Professional East Islip Office Complex. Features Waiting Room, Reception and Secretarial Area, 4 Exam Rooms, Half Bath, and Closet for Storage or Coffee Area. All New LVT Commercial Grade Flooring, Freshly Painted, and New Electric and Light. Conveniently Located on Main Street and Just 3 Doors West of Exit from Southern State/Heckscher Parkway. Separately Metered Gas Hot Air Heat and Electric with CAC. ADA Bathroom Next Door to Suite in Hallway. Large Parking Lot. Common Charges: $340/month and Taxes $6,715/yr.

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    n/a
    Status:
    Active
    MLS#:
    3545998
    Type:
    Mixed Use, Business Opportunities
    Lot size:
    0.25 Acres
    A broker reciprocity listing Listing by: All Island Estates Realty Corp, 516-783-5600
    View additional info

    Calling All Investors, Developers, End-Users & Entrepreneurs!!! Corner Gas Station / Repair Shop + Convenience Store Package For Sale!!! The Properties Features Great Exposure, Excellent Signage, Strong Zoning, Brand New Pumps, Brand New Double Walled Fiberglass Tanks, 2 Bay Repair Shop, 3 Strategically Placed Curb Cuts, 66 Parking Spaces, High 14' Ceilings, Security Systems, 3 Phase Power, All New LED Lighting, A/C, +++!!! The Properties Are Located In The Heart Of Saint James On Lake Avenue Blocks From The Saint James LIRR Station!!! Neighbors Include Starbucks, USPS, Mercedes, Lexus, Acura, Kia, Toyota, Jeep-Dodge-Ram, Chevrolet, Mazda, TD Bank, King Kullen, 7-Eleven, Dunkin', Whole Foods, Costco, BP Gas, Lowe's, Trader Joe's, Macy's, +++!!! These Properties Offers HUGE Upside Potential!!! These Could Be Your Next Development Sites Or The Next Homes For Your Business!!!

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    n/a
    Status:
    Active
    MLS#:
    3546005
    Type:
    Mixed Use, Business Opportunities
    Lot size:
    0.25 Acres
    A broker reciprocity listing Listing by: All Island Estates Realty Corp, 516-783-5600
    View additional info

    Calling All Investors, Developers, End-Users & Entrepreneurs!!! Corner Gas Station / Repair Shop + Convenience Store Package For Sale!!! The Properties Features Great Exposure, Excellent Signage, Strong Zoning, Brand New Pumps, Brand New Double Walled Fiberglass Tanks, 2 Bay Repair Shop, 3 Strategically Placed Curb Cuts, 66 Parking Spaces, High 14' Ceilings, Security Systems, 3 Phase Power, All New LED Lighting, A/C, +++!!! The Properties Are Located In The Heart Of Saint James On Lake Avenue Blocks From The Saint James LIRR Station!!! Neighbors Include Starbucks, USPS, Mercedes, Lexus, Acura, Kia, Toyota, Jeep-Dodge-Ram, Chevrolet, Mazda, TD Bank, King Kullen, 7-Eleven, Dunkin', Whole Foods, Costco, BP Gas, Lowe's, Trader Joe's, Macy's, +++!!! These Properties Offers HUGE Upside Potential!!! These Could Be Your Next Development Sites Or The Next Homes For Your Business!!!

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    10,890
    Status:
    Active
    MLS#:
    3547921
    Type:
    Mixed Use, Business Opportunities
    Lot size:
    0.25 Acres
    Year built:
    1927
    A broker reciprocity listing Listing by: Century 21 AA Realty, 516-826-8100
    View additional info

    Mixed Use building containing 4,500 square feet commercial space on the ground floor which includes an Existing Auto Body Shop and Beauty Supply Store on the ground floor with multiple working areas and office space. The second floor consists of two one-bedroom updated apartments with lots of sunlight throughout, approximately, 1,630 +/- square feet of residential space on the second floor. Additional parking room/lot for the autobody part of the building. Contact agents for more information.

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    n/a
    Status:
    Active
    MLS#:
    3487314
    Type:
    Mixed Use, Business Opportunities
    Lot size:
    0.25 Acres
    A broker reciprocity listing Listing by: Exit Realty Achieve, 631-543-2009
    View additional info

    Prime location in the heart of St. James. Well maintained structures: main building is zoned for mixed use, currently unoccupied, full basement, attic. Second structure is 2+ car garage and 2 additional storage pods. Private parking lot behind main building.

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    3,920
    Status:
    Active
    MLS#:
    3497221
    Type:
    Retail, Business Opportunities
    Lot size:
    0.09 Acres
    Year built:
    1946
    A broker reciprocity listing Listing by: All Island Estates Realty Corp, 516-783-5600
    View additional info

    Calling All Investors, Developers & End-Users!!! 8.48 Cap 2 Unit Corner Retail Building In Historic Saint James For Sale!!! The Property Is Located In The Heart Of Saint James 2 Blocks From The Saint James LIRR Station!!! The Building Features Excellent Signage, Great Exposure, Strong Central Business Zoning, 8 Parking Spaces, High Ceilings, Private Driveway Parking, All New LED Lighting, CAC+++!!! The 3,920 Sqft. Corner Building Has 54+ Feet Of Frontage On Lake Avenue & 106+ Sqft. On 3rd Street!!! Neighbors Include Starbucks, USPS, Mercedes, Lexus, Acura, Kia, Toyota, Jeep-Dodge-Ram, Chevrolet, Mazda, TD Bank, King Kullen, 7-Eleven, Dunkin', Whole Foods, Costco, BP Gas, Lowe's, Trader Joe's, Macy's, +++!!! This Property Offers HUGE Upside Potential!!! This Could Be Your Next Investment Property Or Home For Your Business!!! Income: Bike Shop (2,300 Sqft.): $57,600 Ann.; 3% Ann. Inc. Starting 7/1/26. Lease Exp. 6/30/28. Office / Storefront (1,620 Sqft.): $37,200 Ann. (Available) Total Gross Income: $94,800 Ann. Expenses: Gas: $0 Ann. (Tenant Pays) Electric: $0 Ann. (Tenant Pays) Water: $0 Ann. (Tenant Pays) Maintenance & Repairs: $1,500 Ann. Insurance: $5,000 Ann. Taxes: $20,578.86 Ann. Total Expenses: $27,078.86 Ann. Net Operating Income (NOI): $67,721.14 Ann. (Pro Forma 8.48 Cap!!!) , or

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    966
    Status:
    Active
    MLS#:
    3523364
    Type:
    Office, Business Opportunities
    Year built:
    1985
    A broker reciprocity listing Listing by: DeBarbieri Assoc Inc, 631-862-7447
    View additional info

    Prestigious Stonybrook Medical Park, was a periodontist office, condo includes all equipment & furniture. Turn key, high end finishes,receptionist area, waiting room, three exam rooms, Doctor's office, 1.5 Baths,every room wired for computers. Full basement, updated gas hot air heat and CAC, 200 amp electric with circuit breaker, hi hat lighting, 2x2 drop ceiling, washer & dryer and wet bar in basement, plus storage, diamond condition, ample parking. Common charges $400/month.

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    1,200
    Status:
    Active
    MLS#:
    3513992
    Type:
    Mixed Use, Business Opportunities
    Lot size:
    0.03 Acres
    Year built:
    1985
    A broker reciprocity listing Listing by: Realty Connect USA L I Inc, 631-941-4300
    View additional info

    Perfect end cap position for this 1,200 square foot professional office space in the well established Stony Brook Medical Park. This unit features 4 exam rooms, waiting room, reception, private office with bathroom, an additional bathroom. Location is convenient to Stony Brook University, St. Charles and John T. Mather hospitals. Plenty of parking, full basement updated HVAC system and a designated traffic light at entrance.

    Beds:
    n/a
    Baths:
    Sq.Ft.:
    1,044
    Status:
    Active
    MLS#:
    3490319
    Type:
    Retail, Business Opportunities
    Lot size:
    0.21 Acres
    A broker reciprocity listing Listing by: Charles Rutenberg Realty Inc, 631-482-5397
    View additional info
    The data relating to real estate for sale on this web site comes in part from the Broker Reciprocity Program of OneKey MLS, Inc. The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed. This information is provided exclusively for consumers’ personal, non-commercial use. Per New York legal requirement, click here for the Standard Operating Procedures. Copyright {{date year}}, OneKey MLS, Inc. All Rights Reserved.

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