While you can't access Ben Ten Island directly, you can enjoy it from a boat. Why not board the "Heisei Iroha Maru," a ferry that departs from Tomonoura's municipal ferry terminal every 20 minutes bound for Sensui Island? It's recommended for those who want to get close to the island, as the ferry passes right next to it on the way to Sensui Island. The ferry ride takes about 5 minutes, and you can also visit Sensui Island's famous power spot, Goshiki-iwa. The fare is 240 yen for adults and 120 yen for children, round trip. It's recommended for those who want to take a leisurely stroll and enjoy the view of Ben Ten Island from the sea, as well as visit Sensui Island.