Mark L. Nestler & John R. Poletto
mark and john 2

[Boca Raton & Delray Beach, FL]

200 E Palmetto Park Road, Suite 104, Boca Raton, Florida 33432



[email protected]

Exclusive Listings

900 E. Atlantic Avenue, Suite 18, Delray Beach, Florida 33483



[email protected]


In 1989, Mark Nestler and John Poletto united to establish what would become one of the most acclaimed and successful luxury real estate firms in South Florida. With a mission focused on incomparable client service, Mark and John were quickly recognized both locally and nationally for their marketing excellence, and sales success. These accolades ultimately resulted in being awarded an invitation to become the exclusive Sotheby’s International Realty franchise in the greater Boca Raton and Delray Beach areas, providing the partners an even greater opportunity to cultivate their customer-centric approach to real estate.

In the years since its inception, Nestler Poletto Sotheby’s International Realty (NPSIR) has continued to serve the Boca Raton and Delray Beach luxury home market in award-winning fashion. We specialize in representing only the most exclusive of estates, country club communities, Intracoastal properties, oceanfront homes, and luxury condominiums. As residents and members of the very communities we work in, our professional Realtors are particularly qualified to offer advice and insight when considering your ideal luxury residence. From active and private neighborhoods to expansive yet secluded manors, relying on NPSIR’s agents ensures an engaging, nevertheless efficient, process.

Either of our office locations can be conveniently reached from anywhere in Palm Beach County. Our primary offices reside in the heart of Boca Raton, nestled between Federal Highway and South Florida’s nautical bloodline, the Intracoastal Waterway. Our second office is located in Delray Beach, helping us to serve clients from farther north. Even after 28 years, NPSIR continues to grow and expand, allowing us to better serve high-end real estate buyers and sellers from Hillsboro Mile to Manalapan.

Furthering our ambition to provide an all-inclusive experience, we are proud to offer clients full-service mortgage and title services. NPSIR also maintains relationships with local moving and storage businesses, professional interior designers and contractors, and can recommend certified mold and air quality inspectors.