They appear to delight in sitting on debris that floats on the half-filled pool's murky waters.
The athletes village itself has fared somewhat better, turned into housing for workers.
Eight years after the 2004 Athens Games, many of the Olympic venues Greece built at great expense remain abandoned or rarely used. They are the focus of great public anger as the country struggles through a fifth year of recession and nearly three years of a debt crisis that has seen a surge in poverty and unemployment.
At the southern Athens venue for softball — a sport unknown in Greece and already out of the Summer Olympics — the occasional weed is all that remains on the dried-out field.
With no shortage of real beaches in Greece, the purpose-built beach volleyball stadium has seen minimal use in the past eight years, mostly just concerts.
Other Athens venues have fared better. The badminton hall has been converted into a popular theatre venue, the former international Olympic broadcast centre is a shopping mall and what was the main press centre now houses ministry offices.
The old baseball venue has been used for the past two years by a fourth-division local soccer club — although some of the stands could do with a lick of paint.
The hockey venue hosted the Special Olympics last year, but material used in that event still lies abandoned around the rim.
The taekwondo and handball arena is occasionally used for non-sports events.
The main Athens Olympics complex is now mostly open to the public and its sporting venues are used by local teams or to host national championships.
Greek politicians, meanwhile, are still struggling to deal with those years of excess spending, and many economists still question the country's future in the 17-nation common euro currency.