Visa policy of the Marshall Islands

Visitors to the Marshall Islands must obtain a visa in advance unless they come from one of the visa exempt countries or countries whose citizens are eligible for a visa on arrival.
Visa free countries.
Holders of passports of the following 32 jurisdictions do not require a visa for entry to the Marshall Islands:
Marshall Islands signed mutual visa-waiver agreements with Saint Kitts and Nevis on 29 October 2019 and Ukraine on 28 November 2019 but they are yet to be ratified.
Visa on arrival.
Citizens of the following 64 countries and territories may obtain a visa upon arrival valid for a maximum stay of 90 days:
Citizens of these countries are not exempted from providing Immigration with required documents to support their visa which include a recent police record and health clearance (proof of being free from HIV/AIDS and TB), they only provide these documents on arrival.
All visitors must hold a passport valid for 6 months. 
Visitors wishing to travel to Kwajalein are required to hold an Entry Authorisation issued by the US Military.