Wakayama Marina City is a resort complex located in Wakayama Prefecture, Japan. It features a marina, a theme park called Adventure World, and various hotels and restaurants. The area is designed for leisure and recreation, attracting both locals and tourists. The complex is situated on a man-made island and offers beautiful views of the surrounding sea. Visitors can enjoy activities such as boating, shopping, and dining, making it a popular destination for families and travelers looking for a relaxing getaway.