EXTRAORDINARY HOMES The Hyland-Santinelli Team

David Hyland & Kaz Santinelli

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Residential Real Estate

The Hyland - Santinelli Team

The Hyland - Santinelli Team is the trusted mother/son duo helping Long Island buyers and sellers navigate today’s real estate market with confidence and care. Together, Kazuko “Kaz” Santinelli and David Hyland bring a powerful blend of experience, financial savvy, and personal service to every transaction. With nearly 40 years in the industry, Kaz is known for her unwavering pr... Read More
The Hyland - Santinelli Team is the trusted mother/son duo helping Long Island buyers and sellers navigate today’s real estate market with confidence and care. Together, Kazuko “Kaz” Santinelli and David Hyland bring a powerful blend of experience, financial savvy, and personal service to every transaction.

With nearly 40 years in the industry, Kaz is known for her unwavering professionalism, in-depth knowledge of Long Island’s residential market, and a warm, service-first approach that has earned the trust of generations of clients. Fluent in both English and Japanese, Kaz bridges cultures and communities with ease—bringing a global perspective to local real estate.

David, a licensed real estate salesperson since 2015, brings sharp financial insight, problem-solving agility, and a calm, detail-oriented style to every deal. Recognized with a company-wide Customer Service Award, David has built a track record of success with transactions ranging from first-time homes to luxury properties exceeding $2 million.

Backed by the family-owned tradition of excellence at Howard Hanna | Coach Realtors, The Hyland - Santinelli Team offers clients access to world-class marketing tools, a dedicated in-house relocation division, and exclusive global affiliations through Leading Real Estate Companies of the World.

Whether you're buying your first home, upsizing, downsizing, or exploring the luxury market, Kaz and David are ready to guide you with expertise and heart.

Reach out today—and let’s start the conversation.

Client Testimonials

"David and Kaz were absolutely awesome agents from the day we met them. We used them for the purchase of our first house, sale of first house and purchase of our second house. They are knowledg... read more"
Justin O

BEHIND THE GATES

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FEATURED LISTING 34 SOLITAIRE ROAD | ROCKY POINT $549,000 | 4 Beds | 2 Baths | 1,440 sqft
Welcome to this beautifully updated 4-bedroom, 2-bathroom home, perfectly situated on a quiet street in the desirable Rocky Point School District. Offering a blend of modern upgrades, thoughtful impro...
  • 4 Beds
  • 2 Baths
  • 1,440 sqft
  • 0.14 ac
  • 1953 Built
  • 1032096 MLS#
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FEATURED LISTING 173 TERRY ROAD | SMITHTOWN $2,600.00
Prime Commercial Storefront Available - Smithtown, NY (Route 347 & Terry Road)Excellent opportunity to lease a high-visibility commercial storefront located directly off Route 347 on Terry Road in Smi...
  • 0.35 ac
  • 886065 MLS#
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FEATURED LISTING 49 HARNESS LANE | LEVITTOWN $899,007 | 4 Beds | 2 Baths | 2,200 sqft
Welcome to this beautifully maintained Post Modern home offering the perfect blend of comfort, style, and functionality. This inviting residence features 4 spacious bedrooms and 2 full bathrooms, thou...
  • 4 Beds
  • 2 Baths
  • 2,200 sqft
  • 0.14 ac
  • 1948 Built
  • 1009508 MLS#
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FEATURED LISTING 52-21 65TH PLACE | MASPETH $275,000 | 1 Beds | 1 Baths | 700 sqft
Spacious 1-Bedroom Co-op in Ridgewood Gardens - Top Floor Location!Welcome to this roomy and bright 1-bedroom apartment in the highly sought-after Ridgewood Gardens Co-Op. Located on the top floor, th...
  • 1 Beds
  • 1 Baths
  • 700 sqft
  • 1955 Built
  • 925539 MLS#
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FEATURED LISTING 460 OLD TOWN ROAD | PORT JEFFERSON STATION $282,000 | 2 Beds | 1 Baths | 975 sqft
Nestled in a quiet pocket of Suffolk County, this spacious second floor co-op offers an ideal entry point to homeownership in Port Jefferson Station. It's perfect for a first-time buyer or someone lo...
  • 2 Beds
  • 1 Baths
  • 975 sqft
  • 1975 Built
  • 1023408 MLS#
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FEATURED LISTING 71 RICHMOND BOULEVARD | RONKONKOMA $349,990 | 1 Beds | 1 Baths | 826 sqft
Welcome to This Desirable Second Floor Carmel Model End Unit in the Nob Hill North Community! Whether You're Purchasing Your First Home or Looking to Downsize, This Condo Offers the Perfect Combinati...
  • 1 Beds
  • 1 Baths
  • 826 sqft
  • 1973 Built
  • 1031627 MLS#
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Planning Ahead: When to Start Preparing for a Fall Sale
Selling in the fall has a rhythm all its own, and getting ahead of it makes all the difference. Our REALTORS® have put together a few honest, practical tips to help you start preparing now, with a ...
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There's a noticeable change in the air on Long Island once August rolls around, and it's not just the weather. If you're still house hunting while everyone else seems to be wrapping up their summer,...
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