This paper presents the details of estimation of heavy metals available in Kappaphycus sp. Sample was collected from the sea coast of Rameshwaram, Tamil Nadu, India in the form of dry and living sample. It is observed that total amount of the heavy metals is 30.4ppm. Iodine is the major constituent (56.77ppm) then boron (6.66ppm) and lead (3.45ppm) and nickel (2.43ppm). The composition of cobalt is 1.56ppm, mercury is 1.44ppm and cadmium is 1.02ppm. Very less amount of metals are arsenic (0.897ppm) and tin (0.89 ppm).