Dennis Gandley joined Douglas Elliman in 2012. His own experience as a business owner led him to initially join Douglas Elliman as a Business Broker. Having been involved with the ownership and eventual sales of his own restaurant and bars, Dennis was able to understand the requirements and concerns of business owners who were looking to sell. After establishing a vast number of contacts from both his personal and business worlds, Dennis eventually began to connect buyers and sellers, landlord and tenants -leading to many successful transactions beyond just business brokerage. Dennis quickly established himself as one of the Top Producing Commercial Real Estate Agents in the Commercial Division. Over the past decade, Dennis has handled all types of Commercial Real estate transactions, from Landlord Representation for retail, office, medical, industrial spaces and more to selling every type of Commercial property spanning across the Island, from the Hamptons to the Burroughs. Dennis has positioned himself as one of the most highly referred Commercial Agents within the Commercial Division. Understanding that relationships are one of the most invaluable and important components of business, Dennis has established incredible connections with our residential agents, continually working with many of them across Long Island to facilitate Commercial transactions within the company. A dedicated Commercial Real Estate expert, Dennis appreciates the opportunity to consistently network amongst his colleagues and counterparts within Elliman and beyond. He looks forward to analyzing, evaluating, and executing plans for each client he represents. Throughout, his years in the restaurant/bar business he has formed relationships with noteworthy figures in the Long Island business world. Dennis has established himself as a recognizable person on the Long Island professional landscape. He is a consummate professional and people person. Combining his dynamic personality with his innate ability to problem solve and negotiate has made Dennis an invaluable member of the Douglas Elliman Commercial Division.
$23.00 USD /SF/yr
Retail - For Rent$2,500,000 USD
Retail - For Sale3,359 SF | Request Cap Rate
$1,450,000 USD
Freestanding - For Sale2,744 SF | Request Cap Rate
$22.00 USD /SF/yr
Retail - For Rent$22.50-$28.50 USD /SF/yr
Office, Office/Medical - For Rent$17.00-$23.00 USD /SF/yr
Office, Retail - For Rent$23.00 USD /SF/yr
Office/Medical - For RentNEW
RENT WITHHELD
Retail - For RentPRICE WITHHELD
Retail - For Sale1,771 SF | Request Cap Rate
Jan '26
RENT WITHHELD
Industrial - For RentPRICE WITHHELD
Retail - For Sale19,299 SF | Request Cap Rate
PRICE WITHHELD
Auto Repair - For Sale6,000 SF | Request Cap Rate
PRICE WITHHELD
Freestanding - For Sale900 SF | Request Cap Rate
PRICE WITHHELD
Freestanding - For Sale10,650 SF | Request Cap Rate
RENT WITHHELD
Office/Medical - For RentPRICE WITHHELD
For Sale8,296 SF | Request Cap Rate
RENT WITHHELD
Retail - For RentOct '25
RENT WITHHELD
Office/Medical, Retail - For RentRENT WITHHELD
Retail - For Rent