The eastern ocean shore inverse to the Ramanathaswamy sanctuary is named as Agni theertham. This is one of the 64 hallowed showers in Rameswaram theerthams, every day a huge number of explorers washed up in this blessed ocean . Holistic customs, for example, prohithams, yangnya yaham, tharpanam ritual for the precursors who were dead has been performed in the shores of Agni Theertham.
It is trusted that, by washed up in this ocean will vanish ones sins, and make them unadulterated once more and blending the fiery remains of the dead individual in this ocean Agni Theertham will conveys harmony to the spirit of the dead. Explorers the individuals who are plan for sacrosanct shower in theerthas should first washed up in Agni theertham and pursued by that shower in theerthas inside the sanctuary. All the days in the year are considered as great days for cleaning up in this theertha. But the amavasya and poornima are considered as propitious days. Especially on tamil months Aadi, Thai, purattasi amavasya days were viewed as most promising and extraordinary days for theertha snana in Rameswaram.