Here's what we know so far.
Miami businessman Herman Echevarria Sr. died Monday morning, according to E! News.
Echevarria founded Venue magazine with his wife Alex, and the couple starred on Bravo!'s The Real Housewives of Miami show.
Family members became concerned when Echevarria didn't show for work on Monday. His body was found in a Miami hotel and police believe he died of a heart attack.
"The Echevarria family is heartbroken over the sudden passing of our patriarch, Herman Echevarria, this morning. He was a family man, a hardworking businessman, dedicated to helping others and a pillar of his community [who] was loved by everyone who's life he touched," Alexia said in a statement.
Alexia has asked that the family's privacy be respected during this difficult time.