Kastilyong Buhangin
- Cast: Nora Aunor, Lito Lapid, Tonio Gutierrez, Metring David, Allan Bautista
- Duration: 114 minutes
- Genre: Romance, Action, Drama, Music
- Rating: 3/10
- Release Date: 1980-08-22
Mario O'Hara's melodrama about an aspiring singer and her ex-convict sweetheart.
