Yokohama Hakkeijima Inc.
Yokohama Hakkeijima Inc. is a Japanese company that operates aquariums, amusement and leisure facilities, including Yokohama Hakkeijima Sea Paradise.
Last updated September 15, 2026
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Overview
Yokohama Hakkeijima Inc. is a Japanese company whose stated mission is to deliver fresh excitement and smiles to people in Japan and around the world through living creatures. It operates Yokohama Hakkeijima Sea Paradise and other facilities across Japan, and also serves as a designated administrator for certain facilities. Its corporate site lists operated facilities including Yokohama Hakkeijima Sea Paradise, Maxell Aqua Park Shinagawa, Sendai Umino-Mori Aquarium, Joetsu City Aquarium Umigatari, Hinotonton ZOO (Hamura City Animal Park), and Seibuen Amusement Park, with the latter two noted as designated-administration entrusted facilities. The company also operates in Taiwan through Taiwan Yokohama Hakkeijima Co., Ltd.
History
Yokohama Hakkeijima Inc. presents itself as a company that, through living creatures, aims to deliver fresh excitement and smiles to people across Japan and the world, with staff working together on daily creativity and ingenuity. Its corporate site describes operations centered on Yokohama Hakkeijima Sea Paradise and other facilities nationwide. The company also acts as a designated administrator for certain facilities and operates in Taiwan through Taiwan Yokohama Hakkeijima Co., Ltd. Its site policy page lists corporate and facility websites under its operation, including Yokohama Hakkeijima Sea Paradise, Maxell Aqua Park Shinagawa, Sendai Umino-Mori Aquarium, Joetsu City Aquarium Umigatari, Hinotonton ZOO (Hamura City Animal Park), and Seibuen Amusement Park, with the latter two marked as designated-administration entrusted facilities. The same page references the Seibu Group in connection with copyright and site usage terms.
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