Susan Breitenbach

Mark Greenwald

Real estate agent in Southampton

Mark Greenwald, a distinguished agent with Saunders & Associates in Southampton, NY, brings deep market expertise and a commitment to client success to every transaction. With a verified sales volume of $125.23 million across 21 transaction sides, he has earned a #21 ranking in New York on RealTrends Verified, reflecting his consistent ability to deliver exceptional results in the competitive Hamptons market. Known for his personalized approach and dedication to guiding clients through every step of the buying or selling process, Mark combines local knowledge with a track record of performance. His reputation is built on trust, transparency, and a relentless focus on achieving the best outcomes for those he serves.

Susan Breitenbach

Real estate agent in Southampton

Susan Breitenbach, a distinguished agent with Corcoran in Southampton, NY, brings unparalleled market expertise to the Hamptons luxury real estate landscape. Ranked #4 in New York by RealTrends Verified, she has achieved a remarkable $268.98 million in sales volume across 34 transaction sides, demonstrating a consistent ability to navigate complex, high-stakes property transactions. Known for her unwavering client dedication, Susan combines deep local knowledge with a personalized approach, ensuring every buyer and seller receives strategic guidance and seamless execution. Her verified performance underscores a reputation built on trust, discretion, and results, making her a leading authority in the Southampton market.

Erica Grossman

Real estate agent in Southampton

Erica Grossman is a distinguished real estate agent with Douglas Elliman, serving the Southampton, New York market. With a proven track record of $117.93 million in sales volume across 13 transactions, she has earned the #24 ranking in New York, a testament to her deep market expertise and unwavering commitment to client success. Her nuanced understanding of the Hamptons luxury landscape allows her to navigate complex transactions with precision, ensuring seamless outcomes for buyers and sellers alike. Beyond the numbers, Erica is dedicated to building lasting relationships through personalized service and strategic guidance. Her clients benefit from her sharp negotiation skills, local insights, and the trusted resources of Douglas Elliman, all underpinned by the verified performance recognized by RealTrends. Whether brokering a waterfront estate or a historic village property, Erica delivers exceptional results with integrity and discretion.

Harald Grant

Real estate agent in Southampton

Harald Grant is a distinguished real estate agent with Sotheby's International Realty, Inc., serving the Southampton, NY market. Recognized on the RealTrends Verified list and ranked #49 in New York, his career is defined by a remarkable sales volume of $249.32 million across 11 transaction sides. This performance underscores his deep understanding of the luxury Hamptons market and his ability to navigate high-value transactions with precision and discretion. Clients benefit from Harald’s unwavering dedication to personalized service and his meticulous attention to every detail of the buying and selling process. As a RealTrends Verified agent, his verifiable track record offers confidence and transparency in a competitive landscape. Whether representing historic estates or waterfront properties, Harald leverages Sotheby’s global network to connect clients with exceptional opportunities, ensuring seamless and successful outcomes.

James Giugliano

Real estate agent in Southampton

James Giugliano is a top-producing real estate agent with Nest Seekers in Southampton, NY, recognized on the RealTrends Verified list for his exceptional market performance. Ranking #15 in New York with a sales volume exceeding $154 million across 32 transaction sides, James combines deep local expertise with a strategic approach to high-end residential and waterfront properties. His clients benefit from his intimate knowledge of the Hamptons market, ensuring seamless transactions and optimal outcomes. Dedicated to providing white-glove service, James prioritizes client goals through transparent communication and a relentless work ethic. His verified sales record underscores a commitment to excellence, built on trust, negotiation precision, and a personalized experience from listing to closing. Whether guiding first-time buyers or seasoned investors, James delivers results that consistently set the standard in one of the nation’s most competitive luxury markets.

Harald Grant

Real estate agent in Southampton

Harald Grant is a distinguished real estate professional with Sotheby’s International Realty, Inc., serving the Southampton, NY market. He has earned the #6 ranking in New York and a place on RealTrends Verified, driven by an impressive sales volume exceeding $249 million across 11 transaction sides. His deep knowledge of the Hamptons luxury market, combined with a meticulous approach to client service, ensures seamless transactions for sellers and buyers seeking high-value properties. A trusted advisor known for discretion and results, Harald dedicates himself to understanding each client’s unique goals, offering strategic guidance from listing to closing. His verified performance on RealTrends underscores a proven track record of excellence, positioning him as a leading agent in one of the nation’s most competitive real estate markets.