Quiz a resident on what the most well-known structures in town are and they'll likely mention Oarai Marine Tower. It's one of the first things your eyes will be drawn to when you begin sightseeing.
This modern piece of architecture is on the to-do lists of many visitors to Oarai. But Oarai Marine Tower isn't the area's only highlight. Oarai Isosaki Shrine, Aqua World Ibaraki Oarai Aquarium, and Oarai Sun Beach are some other interesting sights close by.