National Hitachi Seaside Park Pleasure Garden is a vibrant amusement and nature park situated along the Pacific coast in Hitachinaka, Ibaraki Prefecture, Japan. Part of the larger Hitachi Seaside Park, the Pleasure Garden section features a variety of rides and attractions set against a stunning backdrop of sea, sky, and seasonal flower gardens including sweeping nemophila and cosmos fields. Visitors can enjoy the Seaside Train, immersive VR experiences, and the exciting new Sea Guardian attraction, which opened in 2025. Day passes offer flexible options for families and groups, with accessible services throughout the grounds. Food facilities and souvenir shops keep guests refreshed during their visit. Whether drawn by the coastal scenery, the colorful botanical displays, or the fun rides, guests of all ages find this coastal recreational destination a memorable destination in the greater Tokyo day-trip region.