Thanks for the reply KristiZ -- really appreciate it.
I will be travelling with my DW and 4 more friends so there will be a total of 6 people. Really just want to see some sights, get a feel of the Japan culture, a bit of shopping and definitely some good food. We're on the slow and relaxing pace so no need to pack a large number of activities for the day (or two).
I think there's a fish market nearby the pier but I don't think it's "walk-able"
Also considering renting a car but most of the sites that I can find in the area seems to be in Japanese only and I do not know if the