Financial institutions located on the islands are as follows
Post offices: all islands
Nanashima Credit Union: Oshima, Niijima, Kozushima, Miyakejima, Hachijojima, Chichijima
Mizuho Bank※: Oshima, Hachijojima
JA Tokyo Shimanchu: Hachijojima, Chichijima, Hahajima※.
※Only operates on weekdays.
