A group of five friends, all residents of Juhu Koliwada area, went to the famous beach at around 12:30 pm for swimming, a official from Santa Cruz Police Station said.
On-duty lifeguards and Fire Brigade personnel warned them against entering into the sea, Chief Fire Officer Prabhat Rahangadale said.
The youths, however, went to a different spot away from the main beach front and ventured into the sea. They soon started drowning, he said.
According to police, the duo feared drowned was identified as Rajendra Chowdhury (20) and Sameer Sheikh (18).