Those who are interested in all things nautical will enjoy Sasebo Harbor. It's a nice place to go for a stroll along the waterfront and admire some boats.
To explore this place for ships to anchor, find your way to Sasebo. You'll find plenty of other worthwhile attractions in this area, such as Kujukushima Aquarium, Yumiharidake Lookout, and Kujukushima Zoological and Botanical Garden.