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 14 MONT AVENUE | DIX HILLS $859,000 | 4 Beds | 2 Baths | 2,500 sqft
Sprawling 4 BR - 2 Bth Ranch - Quiet, private .44 acre. New to market. CAC - Roof 2/3 Yrs. Gas heat & cooking, 2-car garage, EIK/French doors to patio, gas burner 2020, hardwood floors as seen - in...
  • 4 Beds
  • 2 Baths
  • 2,500 sqft
  • 0.44 ac
  • 1968 Built
  • 1028241 MLS#
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FEATURED LISTING 300 CARLETON AVENUE | CENTRAL ISLIP $3,695.00 | 2 Beds | 2 Baths | 1,108 sqft
Luxury Living - Endless Amenities! The Belmont at Eastview is a total living, 24-hour manned gated community set on 83+ acres. Beautiful brick buildings with the finest of detailing. $99 Security d...
  • 2 Beds
  • 2 Baths
  • 1,108 sqft
  • 84.25 ac
  • 2023 Built
  • 924294 MLS#
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FEATURED LISTING 5 BLOSSOM STREET | DIX HILLS $1,500,007 | 4 Beds | 3 Baths | 2,700 sqft
Welcome to 5 Blossom Street, a stunning Custom Post Modern estate situated on a flat and beautifully landscaped one-acre property in the heart of Dix Hills. Designed for luxury living and exceptional ...
  • 4 Beds
  • 3 Baths
  • 2,700 sqft
  • 1.00 ac
  • 2013 Built
  • 1006085 MLS#
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FEATURED LISTING 344 47TH STREET | LINDENHURST $679,000 | 5 Beds | 2 Baths | 2,512 sqft
Welcome to 344 47th Street, a wide-line high ranch offering five bedrooms and two full bathrooms on a level 75' x 100' lot. The upper level features three bedrooms, a full bathroom, hardwood floors, a...
  • 5 Beds
  • 2 Baths
  • 2,512 sqft
  • 0.17 ac
  • 1969 Built
  • 1030235 MLS#
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FEATURED LISTING 89 LINCOLN AVENUE | DEER PARK $649,900 | 4 Beds | 2 Baths | 1,794 sqft
THIS HOME HAS SO MUCH TO OFFER IN A QUIET, ESTABLISHED NEIGHBORHOOD! Opportunity is knocking! This spacious home is ready for its next chapter and offers wonderful space, privacy and the opportunity t...
  • 4 Beds
  • 2 Baths
  • 1,794 sqft
  • 0.15 ac
  • 1972 Built
  • 1033676 MLS#
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Fall Festivals and Seasonal Events Across Long Island
From carnivals and farm fairs to historical demonstrations, Long Island's fall event lineup has something for everyone. Our REALTORS® can't wait to get out there and enjoy these special moments a...
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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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What Late-Summer Buyers Should Know Before Making an Offer
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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