Find the best activities, restaurants and things to do in Iwata, Japan. Explore Iwata travel guide before you plan your trip here. When planning a trip to Iwata, make sure you visit its near-by prime city of Nagoya-shi. So, ideally any vacation planner would recommend you to visit Nagoya-shi for its bountiful attractions like Nagoya Castle, Atsuta Shrine, Toyota Commemorative Museum Of Industry And Technology on your trip to Iwata. 1-2 days is an ideal duration of visit to Iwata.