US citizens can enter freely under the Compact of Free Association, while others receive a 90-day visa. Island-hopping requires Air Marshall Islands o... Read Morer private boat charters from Majuro or Kwajalein. Rentals are very limited and rugged. Environmental protection is a top priority; the 2026 "Blue Pacific" guidelines restrict single-use plastics and require strict waste management on all leased islands. Travelers should be prepared for high temperatures and should carry sufficient USD, as credit card use is limited. Read Less