Work on the culture of commercially important agarophyte Gracilaria edulis has already been carried out by Raju and Thomas (1971) and Umamaheswara Rao (1974) in a sandy lagoon on the eastern side of Krusadai Island and near-shore areas around Mandapam, respectively. The present account deals with the possibilities and advantages of culture of Gracilaria edulis in the submerged floating condition in the inshore water of Gulf of Mannar (Mandapam).