The man, aged 20 to 40, was wearing a life jacket.
In August, a 16-year-old Sudanese asylum seeker was found dead on the same beach after a makeshift boat capsized in the English Channel.
More than 100 people reached the shores of Kent yesterday during a busy day for the Border Force.
The French authorities are also said to have prevented a number from crossing the border.
However, overnight a series of attempts from the French coast were made.
The body of a man believed to be an asylum seeker was later found on Sangatte beach early this morning.
Read more: All the latest news from Kent