Police officers in St. Lucia arrested three men in connection with the robbery of a tour bus on April 12.
The 55 tourists were passengers on the Celebrity Eclipse cruise ship on a cruise line-sponsored shore excursion to the Botantical Gardens in Soufriere.
Jewelry and money were stolen, but there were no injuries.
Prime Minister Kenny Anthony praised law enforcement officials for their quick response to the robbery and fast apprehension of the gunmen.
Tourism officials at the time described the incident as a rare and unfortunate event.
Follow Gay Nagle Myers on Twitter @gnmtravelweekly.