Alexandra Sarah Armour and Joseph Werner Stein were married March 30 at the Breakers Palm Beach in Palm Beach, Fla. Cory J. Ciklin, chief judge of the Florida Fourth District Court of Appeal, officiated.

Mrs. Stein, 28, is senior manager focused on consumer insights and strategy at Jetblack, a retail tech start-up company in Manhattan that features shopping by text messaging. She graduated magna cum laude from the University of Pennsylvania.

She is the daughter of Louise D. Armour and Lester Armour III, of Palm Beach. The bride’s father, a former professional polo player who is a member of the Polo Hall of Fame, now owns a horse and cattle ranch in Aiken, S.C. Her mother serves is a managing director, portfolio manager and a co-head of Tiano, Armour & Smyth Wealth Managers at J.P. Morgan Securities in Palm Beach Gardens, Fla.

Mr. Stein, 29, is a founder of Luxstone Partners, a real estate company that owns and operates mixed-use and multifamily properties in the New York towns of Mount Vernon, Tarrytown and Sleepy Hollow. He graduated summa cum laude from Binghamton University, and is studying for a master’s degree in real estate finance and development at N.Y.U.

He is a son of Dr. Marjorie Stein and Dr. Mark Stein of Scarsdale, N.Y. The groom’s mother is a radiologist at the Montefiore Medical Center in the Bronx. She is also a professor of radiology at Montefiore and Albert Einstein College of Medicine, also in the Bronx. His father is a urological surgeon in private practice in Manhattan and the Bronx, with affiliations with NewYork-Presbyterian and Mount Sinai Hospital.

The couple met through mutual friends in Manhattan in January 2013.