Designing Outdoor Spaces
That Redefine How Long Island Lives
Designing Outdoor Spaces That Redefine How Long Island Lives
Designing Outdoor Spaces
That Redefine How Long Island Lives
Designing Outdoor Spaces
That Redefine How Long Island Lives
Designing Outdoor Spaces
That Redefine How Long Island Lives
Designing Outdoor Spaces
That Redefine How Long Island Lives
Since 1976, our family has been crafting Long Island’s most distinctive outdoor environments, designed with purpose, built with integrity, and managed from start to finish.
Where Artistry Meets Legacy Design
We don’t design for our portfolio. We design for your everyday life.
You deserve an outdoor space that feels as intentional and timeless as your home. At Gary Duff Designs, we blend artistry and technical precision to create luxury landscapes that enhance how you live. Beautiful, functional, and built to last for generations.
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![Cabanas creating a comfortable poolside escape at a Huntington, NY home]()
Timeless Balance
Fort Salonga, NY
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![Swimming pool integrated into the landscape for relaxation in Babylon, NY]()
Backyard Resort
Centereach, NY
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![Pools & spas designed as a focal point for outdoor living in Oyster Bay, NY]()
Backyard Resort Living
Why Homeowners Trust the Gary Duff Designs Family Legacy
One Team. Every Detail.
From design through construction, we manage every element, so you make one call, and we handle the rest.
Design With Purpose.
Every space begins with intention, crafted to reflect how you live, not just how it looks.
Legacy of Craftsmanship.
Nearly 50 years of artistry and trust, built by a father, and carried forward by his sons.
OUR SERVICES
Designed With Purpose. Built to Last.
Big vision or small scope, we’ll handle it with the same care, select projects starting at $10K.
Since 1976
Five Decades of Trust, Creativity & Care
When our name is on a project,
nothing less than exceptional will do.
We understand how overwhelming it can be to plan a major outdoor renovation and not know who to trust. Our family has been designing and building Long Island’s most distinctive outdoor spaces with honesty, creativity, and care, since 1976.
The Confidence of
Choosing the Right Partner
Clarity, Communication,
and Care.
Every phase is handled effortlessly. One team, one plan, no surprises.
Designs Made
for You.
Every layout is intentional, created to reflect how you live. Unique spaces that could only belong to you.
Seamless Craftsmanship.
Our family manages every trade and every detail, ensuring your project is cohesive, complete, and beautifully balanced.
A Space That
Feels Like Home.
Built for connection, celebration, and calm. Designed to be truly yours for decades to come.
OUR PROCESS
A Seamless Design-Build Experience
Consult & Discover
01.
We meet to understand your vision, lifestyle, and goals.
Design With Purpose
02.
Every plan is intentional, creative, functional, and built to last.
Build & Manage Everything
03.
We handle every detail, trades, materials, timelines, with precision.
Enjoy for Decades
04.
Step into a space you’ll love for generations.
Where Our Craft Becomes Your Story
“Our extremely positive experience is difficult to transcribe as it's hard to convey the excitement, satisfaction and pride we feel with the finished product. We couldn't be happier with either the outcome or the gentleman who orchestrated it.”
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— Tim R., via Google
Enhancing The Quality Of Life Through Landscape Design
For five decades, the Gary Duff Designs family has been redefining outdoor living across Long Island, one purposeful, beautifully built space at a time.