The 38-year-old actor was vacationing with his model girlfriend Katharina Damm.
Later in the day, the couple met up with pal Tara Reid and some other friends on a private yacht.
Stephen‘s film The Motel Life, about a pair of working-class brothers who flee their Reno Motel after getting involved in a fatal hit-and-run accident, is slated to be released later this year.
20+ pictures inside of Stephen Dorff vacationing with pal Tara Reid… More Here! »