The following maritime boundary treaties are the ones that Kiribati has signed with other States however they are not yet in force. They are also not deposited to the UN DOALOS.
Treaty between Kiribati (Gilbert Group) and Marshall Islands
Kiribati’s maritime boundary agreement with the Marshall Islands, concluded in 2012, establishes an EEZ and continental shelf boundary on the basis of equidistance that is composed of geodesic lines connecting 24 points.17 The boundary separates the maritime zones generated by Banaba, Makin, and Butaritari in Kiribati’s Gilbert Group and Ebon and Knox (Nadikdik) of the Marshall Islands.
https://www.state.gov/wp-content/uploads/2020/03/LIS-146-Kiribati.pdf
Treaty between Kiribati (Gilbert Group) and Nauru
Kiribati’s maritime boundary agreement with Nauru, concluded in 2012, establishes an EEZ and continental shelf boundary on the basis of equidistance that is composed of geodesic lines connecting 16 points.18 The boundary separates the maritime zones generated by Banaba in the Kiribati’s Gilbert Group and Nauru island.
https://www.state.gov/wp-content/uploads/2020/03/LIS-146-Kiribati.pdf