A new and distinct Sansevieria plant named ‘SUPSAN1604’ which is characterized by the combination of a compact equitant growth habit, a broad obovate plant form with a very slightly spiraling aspect, broad succulent foliage, decurrent leaf bases with prominent light yellow-green margins, yellow-green foliage with wide, prominent light greyed-green radial bands, and the stability of all characteristics from generation to generation.
