Margaluz was born in 1944 in Palma de Mallorca, Spain as Margarita Llobera. She was an actress, known for Majòrica (1989), Un, dos, tres... ensaïmades i res més (1985) and Novel·la (1979). She was married to Pablo Llull. She died on January 30, 2006 in Palma de Mallorca.