Isaac of Acre is frequently quoted by Elijah de Vidas in his Reshit Ḥokmah, and by R. Hayyim Vital in his Megillat Setarim. He was an expert in composing the sacred names ("ẓerufim"), by the power of which angels were forced to reveal to him the great mysteries (Azulai, l.c.). According to Azulai he wrote many kabbalistic works.
Isaac of Acre is frequently mentioned by Elijah de Vidas and R. Hayyim Vital in their writings. He was a skilled composer of sacred names ("ẓerufim"), which enabled him to uncover profound secrets from angels.  Azulai states that Isaac authored numerous kabbalistic works.