A small state preserve located at the southernmost point of Malibu is quite popular with rock climbers looking for a relatively easy climb.
Establishing shots took place at Point Dume, where Tony Stark's house was digitally imposed on the cliffs for the film.
From episode #316 "Sandcastles in the Sand".
House digitally inserted on the top of the cliff.
Turtle and Jamie-Lynn hang out. From episode 5x11 "Play'n with Fire".
Establishing shots only. Tony's house is a CGI on top of a real cliff in Malibu.
From episode #112 "Dominoes".
From episode #101 "The Lady in the Bottle".
From episode 2x22 "Chuck Versus the Ring".
From episode 3x22 "Tomorrow".