Shimanami Kaido rental bicycles may be dropped off at any terminal (with the exception of electric bicycles and tandem bicycles). Use whichever is most convenient for your travel plans.
Check the SHIMANAMI JAPAN website for detailsA website introducing the Shimanami Kaido (Nishi Seto Expressway) On this website you can view sightseeing and event information, as well as a blog written by employees of the Honshu-Shikoku Bridge Expressway Company.
Shimanami Kaido Cycling Website