Fishing for Mahi Mahi (also known as dorado or dolphinfish) in Costa Rica is a popular activity, as the country is located in a region with abundant marine life. Abundance of Mahi Mahi: Costa Rica is known for its rich offshore waters, which are home to a variety of fish species, including Mahi Mahi. These colorful and acrobatic fish are often found near floating debris, weed lines, and offshore structures. Today we have clients from Florida and we catch one sailfish and a lot of Mahi. check our calendar and make your reservation and check our website