In the title compound, [Sn(C(6)H(5))(C(8)H(9)S)(3)], the Sn atom has an approximately tetra-hedral SNCS(3) geometry, with angles at this atom ranging from 105.13 (3) to 113.54 (9)°. The crystal packing does not involve any significant inter-molecular inter-actions, although the benzene rings are involved in a number of weak intra- and inter-molecular C-H⋯π inter-actions.