The highest number of people in the Balearics - residents, tourists and others - is always registered on a day in the middle of August.
Fixing the problem with the spills is going to take some time.
Clients were drugged and withdrawals were made from their credit cards.
The 21-year-old German was arrested in Playa de Palma on Wednesday.
The Geldofs were among those at the party for the BBC Radio One presenter.