Representatives of the Limón-Moín dockworkers union blamed conditions there on the low tariffs set by a government agency for the handling of seagoing freight.
The representatives, Ronaldo Blear and José Luis Castillo, told a legislative commission that the Authoridad Reguladora de Servicios Públicos has not raised the rates in eight years.
Blear heads the Sindicato de Trabajadores de Junta Administrativa Portuaria de Desarrollo de la Vertiente Atlántica. The docks are widely known as being highly inefficient.
They also said some shippers owed money to the Junta.
The men also told the Comisión Especial que Analiza las Concesiones that they strongly opposed the proposal for a new dock run by a Dutch firm through the Consejo Nacional de Concesiones. The new container port, when built is generally seen as putting the government-run docks out of business.
The men denied that the government docks were inefficient and said they rank high in Latin America and in the world.