Some Like It Hot (1959). This iconic Marilyn Monroe film is set in Florida but it was actually shot in San Diego.The majority of the movie’s scenes were filmed at the Hotel del Coronado. [My Blue Heaven (1990) starring Steve Martin and Rick Moranis was also filmed in the Hotel del Coronado.]
https://www.iheart.com/content/2021-08-23-5-classic-movies-you-didnt-know-were-filmed-in-san-diego/

