Warnemünde has the broadest beaches on Germany’s Baltic coast as evidenced by this photo from the Wikipedia page linked to above:-

By A.Savin (Wikimedia Commons · WikiPhotoSpace) – Own work, FAL, Link

On that you can see also how long the beach is and the large number of deck chairs – each of which has a set of screens (against wind?) This was my photo from further along of the beach and the headland beyond:-

The beach has a Red Cross Station (Deutsches Rotes Kreuz,) closed at the time we were there – too early in the season, the beach was more or less empty of people:-

You’ll note Revoltes Rostock, Devil’s Fish and Hansa Rostock Ultras graffiti.

There was more graffiti round the side. FC Hansa Rostock and Supras Rostock:-

We walked along the beach for some distance but didn’t quite brave the Baltic waters. Between the beach and a small road, along which I saw at least one bus pass, there was a lovely woodland walk which we took back to the town:-