Sri Ramanathaswamy temple faces east. The seashore, about 100 metres from the main entrance of the temple, is very calm and therefore ideal for bathing. The water at this place is considered sacred and known as Agni theertham. Pilgrims perform poojas in honour of their ancestors at this seashore.Theethams are shallow waters of the sea extending upto some metres. There are 22 such theerthams in Rameshwaram. Hindus believe that a bath in all of these theerthams will remove our sins. In legend, Lord SriRam took a bath in Agni theertham after killing Ravana and worshipped the deity here. Hence these theerthams are considered as holy for pilgrims.Agnitheertham, holding religious significance for Hindus, is situated at a distance of 100 metres from the Ramanathaswamy Temple. This place is located towards the east of the main entrance of the temple and is a suitable place for bathing. The water in Agnitheertham is considered to be sacred and many pilgrims perform pooja at this seashore for honouring their ancestors.
As per legend, it is believed that Agnitheertham is the spot where Lord Rama offered his prayers to Lord Shiva, after killing Ravana. Shiva devotees across the globe take a holy dip in the Agnitheertham for washing away their sins. The visit to the Ramanathaswamy Temple is often preceded by a bath at this spot.