Although the Republic of the Marshall Islands is a tiny country in population with a little less than 60,000 people, it's Exclusive Economic Zone (EEZ) is huge with over 1.2 million square miles. Majuro is the busiest port in the world for the transshipment of tuna fish. Tourists like to visit Majuro Atoll for it's splendid SCUBA diving and good sport fishing. The US dollar is the national currency.