 The Pedasí district also houses an Inter-American Tropical Tuna Commission (IATTC) (www.iattc.org) research laboratory, the Achotines Laboratory, where visitors can take educational tours of the breeding and testing facilities, gaining a glimpse of the stages of yellowfin tuna reproduction.Isla Iguana is an island wildlife refuge five kilometers, or a 20-minute boat ride, from Playa El Arenal.The 52-hectare island is surrounded by an extensive coral reef, which gives it two powdery-soft white sand beaches