There are two beaches
The beach along the Bassin de la Villette, part of the canal system in northeastern Paris, actually uses the water for boating activities and classes, and also includes a zip line across the water. The Bassin de la Villette location is often less crowded, and attracts more locals than tourists.
Despite being in France, you actually have to cover up
Unlike the beaches along the Mediterranean, there is no topless sunbathing allowed here.
This isn't the first "Paris Plage"
The word "Paris Plage" dates back to 1874, when it was used as a resort in Pas-de-Calais in northern France. Paris tried to take the name back, but after losing a 100,000 euro lawsuit, decided to rebaptize the city’s event Paris Plages, with an "s."