Escape to the remote iriomote and yubu islands both near okinawa a river cruise on iriomote island takes you past the mangrove lined banks of the nakama river while a buffalo cart transports you across shallow water to yubu island where youll earn about local plant life at the botanical garden you can upgrade your experience to include an enchanting ride aboard a boat equipped with a glass enclosed bottom level lunch and round trip transport by ferry from ishigaki are included