From Tokyo station you can go to Toyosu by railway, JR Yamanote Line, and subway, Tokyo Metro Yurakucho Line, or bus, Toei bus, or Taxi.
It costs 310 Yen by railway and subway. At first get on a train at Tokyo station, “東京” and get off at Yurakucho station, “有楽町”. Yurakucho station is the next station from Tokyo station. Then change trains there. Next get on a subway bound for Shinkiba, “新木場”. The subway train stops 3 stations before arriving at Toyosu station, “豊洲”. It takes around 15 minutes by the train and the subway from Tokyo station.
It costs 210 Yen by bus. Get on a bus in front of Tokyo station, Yaesu exit. The number of the bus is No.15 “東15”, bound for Fukagawa Shako “深川車庫”, or No.16 “東16”, bound for Tokyo Big Site “東京ビッグサイト”. It takes about 40 minutes by bus from Tokyo station.
It costs about 3,000 Yen by Taxi and takes 25 minutes.
Next I’ll introduce haw to go to Toyosu from Haneda International Airport.