In the title compound, [Sn(2)(CH(3))(6)(C(6)H(2)O(4)S)(H(2)O)](n), each of the two crystallographically independent Sn atoms exhibits a distorted trigonal-bipyramidal coordination geometry formed by two O and three C atoms. The coordinated water mol-ecule plays an important role in crystal packing consolidation via O-H⋯O hydrogen bonding.