The former king was due to have taken part in the Copa del Rey regatta.
The King's vacation in Majorca has coincided with a call for a referendum on the future of the monarchy.
The size of the Cabrera park will increase by nine times.
The strike was sparked after the Spanish government appealed a Barcelona decision to limit the number of licences for Uber-style services.
The term "balconing" was originally coined to refer to diving into pools from balconies.