You may need a visa for Marshall Islands if you have a Kiribati passport
Visa options for Marshall Islands (2)
Visa on arrival
Travelers need a visa to visit Marshall Islands for Business or Tourism. Travelers can get a visa on arrival in Marshall Islands at the port of entry, such as an international airport or border crossing.
This is not offered by sherpa°.
Apply on the government site.
You don't need a visa. You can travel to your destination for a limited stay. Be sure to check other entry requirements and how long you can stay for.