Etymology and distribution of 海氣.

Kaiki 【海氣】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Hyougo-ken , Oosaka-fu .

① Because I got money in estimation. Hyougo-ken Itami-shi There is distribution in the center.

② variant of 金井 . In Miyagi-ken tells that Kanai surname was erroneously written at Meiji New surname. 金井 Kanai reference.