A Miami nightlife investor and a friend were hospitalized on Friday after a boating accident in which he drove his boat into a sea wall at a U.S. Coast Guard station . Michael Capponi and his friend Brooke Biederman were the only passengers on the boat when it crashed in Miami Beach at about 10am on Friday . Biederman suffered head injuries and was taken to the hospital in critical condition while Capponi reportedly had multiple broken bones in his shoulder , face and other areas . Scroll down for video . Michael Capponi ( left ) crashed his boat into a Miami Beach sea wall on Friday at about 10am . Brooke Biederman ( right ) was his only passenger . Capponi reportedly had several broken bones in the crash and Biederman suffered head injuries . As of Friday evening both were still in the hospital and Biederman was in the intensive care unit . Sources said that Capponi , who is known for reviving the South Beach club scene in the 1990s , apparently 'blacked out ' at the wheel , but no drugs or alcohol were involved , according to the New York Post . Early investigations suggest that neither passenger was under the influence of any substance . Surveillance footage of the accident shows the boat heading straight for the wall at high speed before it crashes . As of Friday night sources said both were still hospitalized and Biederman was in intensive care . Sources said that Capponi 'blacked out ' at the wheel but insist no drugs or alcohol were present at the time of the accident . Capponi , pictured in February with Becki Brownell ( left ) , Jeff Rich ( center ) , Tatiana Brunetti ( second from right ) and Biederman , is known for reviving Miami 's nightlife in the 1990s . Capponi is known for his role in Miami nightlife , having invested in and promoted multiple clubs in the area , including BED and Mansion . He has also done charity work in Haiti since the country was hit with an earthquake in 2010 that caused mass destruction . Biederman is a recent graduate of Princeton University and daughter of prominent urban planner Dan Biederman . Friday 's boat crash is still under investigation , according to Local 10 . Biederman is a recent Princeton graduate and daughter of prominent urban planner Dan Biederman . Capponi has done charity work in Haiti since an earthquake in 2010 caused mass destruction . The boat crash that badly injured Biederman and Capponi is still under investigation . Early evidence shows that neither passenger was under the influence of any substances .
Michael Capponi was on his boat in Miami Beach with friend Brook Biederman on Friday . The two were fishing off the coast of South Florida when they spotted a large shark swimming toward them. Capponi had several broken bones and Biederman suffered head injuries . As of Friday night both were still in hospital and Biederman was in ICU .