Maxell Aqua Park Shinagawa is an aquarium near Shinagawa Station, built around a dolphin show and a jellyfish exhibit. The jellyfish exhibit is decorated with elaborate lighting in each section, and nighttime performances are held there. The dolphin show runs several times a day on a set schedule, lasts about 15 to 20 minutes, and re-entry is allowed on the same day with a ticket. The aquarium is crowded on weekends.