Members of the Servicio Nacional de Guardacostas responded to an alert about robbers in Flamingo Saturday night. The coast guard crew members from the Flamingo station chased a vehicle and collared four suspects.
The men are accused of robbing individuals on the beach of the Guanacaste community, said the security ministry.
The coast guard crewmen recovered three firearms. Two of them were legally reqistered to other persons, they said. They said they presume they have been stolen.
Training for the Servicio Nacional de Guardacostas includes many of the same courses as for the Fuerza Pública.