postremus (Murphy & Mathews, 1928) - Hatutu I, in north-western Marquesas Is. Considered by some authors to be a subspecies of Southern Marquesan Reed-Warbler (Acrocephalus mendanae).
aquilonis (Murphy & Mathews, 1928) - Eiao I (north-western Marquesas). Considered by some authors to be a subspecies of Southern Marquesan Reed-Warbler (Acrocephalus mendanae).
percernis (Wetmore, 1919) - Nukuhiva I (central Marquesas). Considered by some authors to be a subspecies of Southern Marquesan Reed-Warbler (Acrocephalus mendanae).
idae (Murphy & Mathews, 1928) - Uahuka I (central Marquesas). Considered by some authors to be a subspecies of Southern Marquesan Reed-Warbler (Acrocephalus mendanae).