Okunoshima part of 7 day pass

Hi, we're a family of four travelling to Japan in March/April 2015. Our itinerary is below but i'm struggling a little with Okunoshima. Where would you suggest to stay on the way back from okunoshima to tokyo? any suggestions greatly appreciate
4 nights Tokyo
start JR pass go tp Kyoto (3 days)visiting Nara (possibly go see snow monkeys)
Kyoto - Hiroshima (stay Hiroshima)
Hiroshima - Miyajima (stay Miyajima)
Hiroshima - Okonoshima
We have 1 day left to find accomodation before heading back to tokyo for 3 nights.
Where would you suggest that would be worth visiting and staying on the way back?
Many thanks

Okayama or Kurashiki
http://www.japan-guide.com/e/e5700.html
http://www.japan-guide.com/e/e5750.html
Onomichi
http://www.japan-guide.com/e/e3475.html
takehara station of 3 stops away from tadanoumi station (ookuno Island of the nearest station) is, now, is popular in Japan of drama.
http://www.tripadvisor.co.uk/Attractions-g1022436-Activities-Takehara_...
I recommend any of these.

Half the country is located between Hiroshima and Tokyo. So, it really depends on your personal interests!

I personally would consider:

Onomichi:
http://www.japan-guide.com/e/e3475.html

Naoshima:
http://www.japan-guide.com/e/e5475.html

The cat island in Ozu (Aoshima) - a detour:
http://www.onegai-kaeru.jp/2013/10/15/how-to-get-cat-islands-in-japan-...

Himeji whose castle will be reopened by late March (and very crowded because of that):
http://www.japan-guide.com/e/e3501.html

Nagoya:
http://www.japan-guide.com/e/e2155.html

Kiso Valley:
http://www.japan-guide.com/e/e6075.html

Some hot spring resort in central Japan:
http://www.japan-guide.com/list/e1104.html

Thanks for the suggestions. I will look into these. We like a bit of everything.