Spaceport Kii

Spaceport Kii
Aerial photo of Spaceport Kii under construction (5 October 2019).
Interactive map of Spaceport Kii
LocationKushimoto, Wakayama Prefecture, Japan
Coordinates33°32′39″N 135°53′22″E / 33.5443°N 135.8895°E / 33.5443; 135.8895
Time zoneUTC+9 (JST)
OperatorSpace One
Total launches3
Launch pad1
Launch history
StatusActive
Launches3
First launch13 March 2024
Last launch5 March 2026
Associated
rockets
KAIROS

Spaceport Kii (Japanese: スペースポート紀伊; sometimes stylized as Space Port Kii) is a commercial spaceport located in Kushimoto, Wakayama Prefecture in Japan. Japan's first private spaceport, it is operated by Space One, who are using it to launch their solid-fuel rocket KAIROS. Three launch attempts have been made on the site, on 13 March and 17 December 2025 and on 4 March 2026, which all ended up being a failure.