Meet Katie Haggerty

Katie Haggerty is a seasoned real estate advisor specializing in luxury properties across New York City and the Hamptons. As a representative of BARNES International Realty, she offers her clients a sophisticated, global platform paired with highly personalized service and discretion.

With over two decades of experience, Katie is known for her strategic approach, strong relationships, and ability to expertly navigate high-value transactions in both competitive city and resort markets.

Beyond real estate, Katie is the founder of KT STRONG, a foundation dedicated to advancing research and awareness for gastric cancer. She is an active member of the New York Athletic Club and the Montauk Yacht Club, reflecting her deep connection to both city and coastal lifestyles.

Grounded in resilience, philanthropy, and an unwavering commitment to her clients, Katie brings a polished, global perspective to every transaction.