A 27-year-old youth drowned in Keelkattalai lake near Tambaram on Wednesday evening.
Madipakkam police said, Suresh Pawar of Nanganallur, had gone to Keelkattalai lake for a dip.
When he did not emerge for a long time, local residents informed the police and fire services.
Fire service personnel arrived, but even after an intense search that lasted through the evening, they were unable to find him.
On Thursday morning, Suresh’s body was found floating on the surface of the lake.