The Tokyo Mizube Line (東京水辺ライン, Tōkyō Mizube Rain, "Tokyo Waterfront Line") is a water bus service in Tokyo.

A public company called Tokyo Metropolitan Park Association (東京都公園協会, Tōkyō-to Kōen Kyōkai) operates the lines on Tokyo riverside.

The services include public lines listed below, as well as event cruises and chartered ships.

English line names are tentative translations.

■ Ryōgoku Odaiba Cruise (両国・お台場クルーズ, Ryōgoku Odaiba Kurūzu) ■ Seaside Course (シーサイドコース, Shīsaido Kōsu) ■ Tokyo Bay Course (TOKYO ベイコース, Tōkyō Bei Kōsu) ■ Twilight Cruise Odaiba (トワイライトクルーズお台場, Towairaito Kurūzu Odaiba) ■ Stroll Trip Wavy Trip (Upstream) (ぶらり旅・ゆらり旅(上流部), Burari-tabi Yurari-tabi (Jōryū-bu)) ■ Edo-Tokyo Stroll Trip (江戸・東京　ぶらり旅, Edo-Tōkyō Burari-tabi) ■ All Day Wavy Trip (い・ち・に・ち ゆらり旅, I-chi-ni-chi Yurari-tabi) ■ Ryōgoku Rainbow Bridge Excursion (両国レインボーブリッジ周遊, Ryōgoku Reibō Burijji Shūyū)