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 27 TREEVIEW DRIVE | MELVILLE $1,798,000 | 5 Beds | 3.5 Baths | 3,174 sqft
Welcome to this spacious and beautifully updated Farm Ranch set on a flat 1-acre property in desirable Melville, located within the Half Hollow Hills School District. This home offers 5 generously siz...
  • 5 Beds
  • 3.5 Baths
  • 3,174 sqft
  • 1.00 ac
  • 1965 Built
  • 986179 MLS#
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FEATURED LISTING 10 SARAH DRIVE | DIX HILLS $1,100,000 | 4 Beds | 2.5 Baths | 2,800 sqft
Brookfield Colonial Located in The Woodlands. Interior street with beautiful property. All large rooms (refer to floor plans) - Family Room features Fireplace with built-in wall units and French doo...
  • 4 Beds
  • 2.5 Baths
  • 2,800 sqft
  • 0.77 ac
  • 1971 Built
  • 957600 MLS#
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FEATURED LISTING 214 RALPH AVENUE | BABYLON $765,000 | 5 Beds | 2 Baths | 2,119 sqft
Enjoy the Babylon Village lifestyle in this sun-filled Hi-Ranch, close to scenic Southards Pond Park. Offering over 2,100 sq ft of living space, the main level features a living/dining room, kitchen h...
  • 5 Beds
  • 2 Baths
  • 2,119 sqft
  • 0.17 ac
  • 1972 Built
  • 966680 MLS#
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FEATURED LISTING 29 POTTER LANE | HALESITE $749,000 | 3 Beds | 2 Baths | 1,855 sqft
Welcome to 29 Potter Lane -- An updated and expanded cape nestled in the beautiful community of Halesite. This charming home features a Legal Accessory Apartment, offering flexible living, rental inc...
  • 3 Beds
  • 2 Baths
  • 1,855 sqft
  • 0.12 ac
  • 1962 Built
  • 984540 MLS#
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FEATURED LISTING 976 ROANOKE AVENUE | RIVERHEAD $750,000
Prime opportunity to acquire a professional medical/office building in a highly visible location along Roanoke Avenue in Riverhead. This approximately 1,452 SF building is ideally suited for medical, ...
  • 0.22 ac
  • 1952 Built
  • 986114 MLS#
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FEATURED LISTING 160 MIDDLE NECK ROAD | GREAT NECK $388,800 | 1 Beds | 1 Baths | 840 sqft
Step into timeless elegance in this charming pre-war co-op; situated in the heart of Great Neck. You are welcomed into the newly renovated Lobby. This Great Neck Estates location offers residents ...
  • 1 Beds
  • 1 Baths
  • 840 sqft
  • 1925 Built
  • 896369 MLS#
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Farmers Markets Across Suffolk and Nassau Counties You'll Want to Visit
One of the highlights of spring is fresh produce, and there's no better place to get it than at local farmers' markets. It's more than a shopping trip; it's a family outing and a chance to connect w...
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When buyers begin their home search in the spring, they bring high expectations and a sharp eye for detail. Our REALTORS at Coach Realtors know what it takes to help your home stand out from the fir...
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