About Nostra Haus
Modern real estate excellence in the heart of the Hamptons
Our Story
Nostra Haus was founded on a simple belief: every client deserves exceptional service when making one of life's most meaningful investments.
What began as a boutique vision has grown into a modern real estate firm redefining the luxury experience in the Hamptons. We blend local knowledge, creative marketing, and smart technology to deliver results that go beyond the transaction.
From first-time buyers to seasoned investors — from beach cottages to iconic estates — we guide our clients with integrity, care, and an unwavering commitment to their goals.
Our Expert Team
Meet the dedicated professionals behind Nostra Haus
OwnerNathalia Valencia
Owner & Licensed Real Estate Broker
As the founder and lead broker of Nostra Haus, Nathalia brings a bold vision to the Hamptons real estate scene — one rooted in elevated service, modern design, and a deep understanding of what today's buyers and sellers truly value.
With a background in business, marketing, and high-end client service, she blends sharp negotiation skills with a calm, confident presence that clients trust. Nathalia is known for her meticulous attention to detail, her refined taste, and her ability to turn complex transactions into smooth, stress-free experiences.
Her mission? To build a boutique firm where relationships come first, creativity leads the way, and every client — from first-time buyer to seasoned investor — feels seen, heard, and supported.
TeamGianluca Santacruz
Licensed Real Estate Salesperson
Gianluca is a dynamic force in Hamptons real estate — blending a sharp eye for design, a passion for lifestyle branding, and a relentless drive to deliver results. As a founding agent at Nostra Haus, he brings a fresh, modern approach to the luxury market, using innovative marketing, tech-forward strategies, and authentic storytelling to connect clients with properties that match their vision.
With a background in entrepreneurship, fitness, and creative media, Gianluca understands how to navigate high-stakes transactions while making the process feel effortless and personalized. Whether you're buying your first home, upgrading to a dream estate, or investing in a short-term rental, he brings energy, transparency, and a deep local knowledge to every deal.
Outside of real estate, you'll find him running the Hamptons' trails, creating content, and building a brand that's as bold as it is unique.
Ready to Work Together?
Book a free 15-minute consultation and let's talk about your Hamptons real estate goals.
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