<P> All filming locations were in the state of Hawaii and in Los Angeles . While filming , lead actor Jason Segel told a New York Times interviewer that the naked breakup scenes were based on a real - life experience he had . The film features a great deal of improvised dialogue ; according to director Nicholas Stoller , it 's `` 60 or 70 percent scripted and then 30 or 40 percent improv '' . </P>
<P> All filming locations were in the state of Hawaii and in Los Angeles . While filming , lead actor Jason Segel told a New York Times interviewer that the naked breakup scenes were based on a real - life experience he had . The film features a great deal of improvised dialogue ; according to director Nicholas Stoller , it 's `` 60 or 70 percent scripted and then 30 or 40 percent improv '' . </P>
where was the movie forgetting sarah marshal filmed
where was the movie forgetting sarah marshal filmed
the state of Hawaii Los Angeles
the state of Hawaii Los Angeles