There are 10 hostels near Copacabana. I stayed at two of them over 5 nights.
Like most urban beaches, Copacabana has a busy fitness culture. I cycled or ran the promenade every day.
At regular intervals are Exercise Stations.

Those photos were taken in typical sunny weather. I got some terrible weather. The beach near deserted.

One section is fenced off. I assume something will be happening here in conjunction with the Olympics. (The Beach Volleyball venue is Copacabana Stadium.)

Copacabana Beach plays host to millions of revellers during the annual New Year’s Eve celebrations and, in most years, has been the official venue of the FIFA Beach Soccer World Cup. …
On December 31, 1994, the New Year’s Eve celebrations featured a Rod Stewart concert with an attendance of 3.5 million, making it the largest concert crowd ever. …

