The Sanno Park Tower is a 44-story skyscraper located in Nagatachō, Tokyo, Japan. It is the second highest building of the ward, after the Shin-Marunouchi Building. The building stands over Tameike-Sannō Station which is served by the Tokyo Metro Ginza Line (G06), Tokyo Metro Namboku Line (N06) and linked to Kokkai-gijidō-mae Station (M14) on the Tokyo Metro Marunouchi Line.