Join Date: Dec 2004
Location: Riding the rails
Programs: Japan Forum, Skyteam Elite Plus, BW Diamond Select, HHonors Gold, NWA, DL, NH
Posts: 1,936
Yes it is possible as a day trip, if you have time also throw in a visit to nearby Miyajima from Hiroshima.
Take the train from Hiroshima Station to Miyajimaguchi Station, then walk over to the ferry station, take the ferry over to the island.