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Marlene Sicoli

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Residential Real Estate

Marlene Sicoli

My Mission My mission is to guide you confidently through the buying or selling process with clarity and care. With professionalism, integrity and strong ethical foundation, I bring the knowledge and resources needed to help you achieve your goals and secure the best value for your home or investment.  For me, real estate is far more than a transaction; it is a lifelong connection to th... Read More

My Mission

My mission is to guide you confidently through the buying or selling process with clarity and care. With professionalism, integrity and strong ethical foundation, I bring the knowledge and resources needed to help you achieve your goals and secure the best value for your home or investment. 

For me, real estate is far more than a transaction; it is a lifelong connection to the place I call home. As a native Long Islander born and raised on the North Shore of Suffolk County, my roots in Smithtown and the surrounding communities run deep. I don't just work in this market-I live it, breathe it, and understand the unique rhythm of our neighborhoods. This intimate local knowledge allows me to offer a wealth of insight that goes beyond basic property data, helping my clients find not just a house, but a true place to belong.  

Education 
American Real Estate School
Licensed Real Estate Salesperson 

Coldwell Banker University
Military and First Responder Real Estate Specialist

Member of Long Island Board of Realtors (LIBOR)
Member of New York State Association of Realtors (NYSAR)

Member of Nesconset Chamber 
Member of Smithtown Chamber 

Communities I Serve
Smithtown, Saint James, Nissequogue, Stony Brook, Nesconset, Lake Grove, Ronkonkoma, Hauppauge, Kings Park, Commack, 
and surrounding areas.  

Your home is one of the most significant financial and emotional investments you'll ever make. That's why the decision to sell should never be taken lightly.  As a trusted real estate professional, I am committed to supporting you through every step of the selling process offering expert insights, personalized service, and a strategy designed to maximize your property's value. I'm proud to be backed by one of the most respected and recognized brands in the industry, giving you advantage of a powerful network and reputation. Let's work together to make your next move a success. 

Ready to get started? 

Contact me today for a no-obligation consultation and let's talk about how I can help you achieve your real estate goals!

My services include:
Sellers Agent, Buyers Agent, First Time Homebuyers, Luxury properties, New Construction and Relocation.  

I make all of my clients real estate goals my #1 priority. 

Client Testimonials

"See Google Review"
Michael Wertheim
"Marlene exceeded our expectations! Real estate can be very stressful and overwhelming. Marlene has the personality, demeanor and warmth to make the process extremely comfortable and manageable. ... read more"
Amanda & Justin Chichi, Miller Place, NY
"Amazing job! Always responsive and moving processes along fast! Extremely organized and knowledge about buying and selling homes. Would highly recommend to anyone!!! 10/10 ?"
Jami ruiz, Ridge, NY
"Marlene was fantastic and knowledgeable throughout the entire process, areas where we were looking. She responded to emails/text messages quickly and efficiently. She walked us through every step of t... read more"
Danielle Watson- Stony Brook
"We were first time homebuyers moving from out of state and Marlene Sicoli put us at complete ease! We had so much fun working with her and she really made sure everything in our homebuying process we... read more"
Matthew and Aaron, Sound Beach
"Marlene Sicoli was the most dedicated realtor I've ever worked with. She was in constant contact with me throughout the process of house hunting to closing on our home, and everything in-between. D... read more"
Katie Trudnak, Miller Place
"I was referred to Marlene from a local Coldwell broker, in Westchester, NY, for the sale of the home in Hauppauge, NY. From onset, Marlene worked diligently and professionally in preparing for th... read more"
J Gordon, Westchester, NY
"Marlene is a true real estate professional working for one of the world's largest real estate companies."
Larry McKenna

BEHIND THE GATES

Follow on social media for the most exclusive real estate news and photos from amazing property listings in Smithtown and surrounding areas.

FEATURED LISTING 3 LAURA COURT | NESCONSET $749,900 | 3 Beds | 1.5 Baths | 1,834 sqft
Welcome to 3 Laura Court - a beautifully maintained ranch set on a spacious .35-acre lot with a large circular driveway and attached 2-car garage. This move-in ready home features numerous updates thr...
  • 3 Beds
  • 1.5 Baths
  • 1,834 sqft
  • 0.35 ac
  • 1967 Built
  • 1015023 MLS#
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FEATURED LISTING 120 SMITHTOWN POLK BOULEVARD | CENTEREACH $599,000 | 3 Beds | 2 Baths | 1,055 sqft
When you arrive at this charming 3-bedroom ranch, you'll be welcomed by a beautiful paver walkway and inviting front porch. Step inside to discover a bright and airy open-concept layout, featuring a k...
  • 3 Beds
  • 2 Baths
  • 1,055 sqft
  • 0.21 ac
  • 1956 Built
  • 1010779 MLS#
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FEATURED LISTING 10 S LOT ROAD | SMITHTOWN $989,000 | 3 Beds | 3 Baths | 2,395 sqft
Welcome to this beautifully maintained, sprawling ranch nestled on a spectacular country club property at the end of a cul-de-sac. Designed for seamless modern living, this sun-drenched home features ...
  • 3 Beds
  • 3 Baths
  • 2,395 sqft
  • 0.50 ac
  • 1967 Built
  • 1003638 MLS#
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FEATURED LISTING LOT 30 GAIL CIRCLE | ROCKY POINT $899,999 | 4 Beds | 2.5 Baths | 2,109 sqft
New Construction - To Be Built - The Terra Collection at The Estates at Rocky PointWelcome to The Ashford Model, an exceptional new construction colonial by Long Island's premier builder, Terra Constr...
  • 4 Beds
  • 2.5 Baths
  • 2,109 sqft
  • 0.42 ac
  • 2026 Built
  • 968150 MLS#
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FEATURED LISTING LOT 25 GAIL CIRCLE | ROCKY POINT $799,999 | 4 Beds | 2.5 Baths | 1,850 sqft
New Construction - To Be Built - The Terra Collection at The Estates at Rocky Point
  • 4 Beds
  • 2.5 Baths
  • 1,850 sqft
  • 0.40 ac
  • 2026 Built
  • 972193 MLS#
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FEATURED LISTING 116 GANNET DRIVE | COMMACK $799,999 | 3 Beds | 1.5 Baths | 1,742 sqft
Incredible opportunity to own this magnificent expanded split-level home located in the highly desirable Commack School District and situated mid-block in a beautiful sidewalk-lined neighborhood with ...
  • 3 Beds
  • 1.5 Baths
  • 1,742 sqft
  • 0.36 ac
  • 1965 Built
  • 984465 MLS#
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Heart of American Homes: How We Support Our New York Communities
Supporting Our Neighbors When It Matters Most Mike Litzer and I have been business partners for 38 years, and our commitment to the New York community has always been at the core of what we do. Whi...
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Navigating Your Future: Introducing Community@American Homes & Our First Medicare Workshop
At Coldwell Banker American Homes, we believe that being a real estate partner means more than just helping you buy or sell a house—it means being an active, supportive part of the place you call ho...
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