Katsuura Underwater Park (Katsuura City, Chiba Prefecture)
Overview (History, Features, and Attractions) Katsuura Underwater Park is an underwater observation facility located in Katsuura City, Chiba Prefecture. It features an underwater observation tower, promenades, and introductory diving and snorkeling opportunities that allow visitors to get up close and personal with marine life and the underwater landscape, making it a popular spot for families and nature lovers alike.