LI Commercial Real Estate


Roger A. Delisle, Jr., Broker

Roger A. Delisle, Jr. is a licensed commercial real estate broker for approximately twenty years, specializing in national retail leasing, with such tenants as CVS Drugs, GNC, Palm Beach Tan, Corners, Lowe's Home Improvement, and in commercial investment sales (shopping centers, apartment buildings, and office buildings).

Roger A. Delisle , Jr. has brokered in excess of 220,000 square feet in the past twelve months and has disposed in excess of $97 million dollars of commercial property over the past twelve months (shopping centers, apartment buildings and office buildings).

Roger A. Delisle, Jr. is a graduate of St. Joseph's College with a Bachelor of Arts degree and is also a CCIM candidate.


Robert Monahan, Consultant

Robert Monahan, a former partner in the Carle Place law firm of Monahan & Sklavos, PC has joined the staff at Island Associates Real Estate, Inc.  Mr. Monahan is a graduate of Iona College and St. John’s University School of Law.  For the ten years immediately prior to joining Island Associates, Mr. Monahan was practicing real estate law with an emphasis on commercial real estate transactions and real estate development on Long Island.  Mr. Monahan now advises and consults the members of Island Associates and it’s clients on all aspects of commercial real estate transactions, commercial and residential property management and commercial real estate brokerage.


Martine Gelsomino, Admin

Martine Gelsomino, has been with Island Associates Real Estate for 10 years. Ms. Gelsomino graduated from Dowling College, where she earned her Bachelors in Business while having a minor in Italian. Prior to joining Island Associates, Ms. Gelsomino had been in the retail industry for eight years and is fluent in Italian.

Bernadette Palmieri, Marketing Director