The new general plan for Balearic ports will prohibit the construction of new marinas and the expansion of existing ones.
"Warehouses are stocked in anticipation of hotels opening, especially in Majorca."
Palma attracted a total of 1.72 million cruise passengers last year.
The industrial action is over proposed legislative reform that will end the current monopoly that stevedore companies have at ports.
The number of cruise ship stopovers in Palma this year is set to increase by nine per cent.
Cruise shipping will be a sector to benefit the most from these allowances, with 40% reductions in charges applying all year to the ports of Alcudia, Mahon and La Sabina.