Photo - Kouri Island
Okinawa has a few small islands. They are much less busy than the main island. However, some of them require you to travel there by boat or another flight trip. Kouri Island is connected from the main island by bridges. You can drive there. This island got a beautiful view of the ocean.
Moreover, there are some tourist attractions, such as Kouri Ocean Tower. In there, there is a museum of kouri island. Also, you can go up the observation deck e 82 meters above the sea level, where it is good to have to overlook Kouri Bridge. Beside of this, that is heart shaped rocks in the ocean too.