Takeshima Aquarium is an aquarium in Gamagori, Aichi Prefecture, Japan, managed and operated by Takeshima Kaihatsu Co., Ltd. It presents a wide range of marine life, with a particular focus on deep-sea creatures. The aquarium reports displaying around 200 species, including rare finds, and highlights its deep-sea collection as the largest in Japan by number of species.

Visitors can explore exhibits and enjoy scheduled animal presentations, including sea lion shows, feeding times for otters, and capybara shows. The aquarium also offers special experiences such as backstage tours, seasonal events, and an aquarium-based puzzle challenge designed to help visitors learn about animals and the environment. Its calendar includes popular events such as the Deep-Sea Fish Festival, alongside anniversary programs and talks.

Takeshima Aquarium also sells distinctive original merchandise, described as carefully designed and available in a wide variety. Tickets can be purchased in advance online for smoother entry. The facility is located at 1-6 Takeshima-cho, Gamagori, and welcomes visitors daily from 9 a.

m. to 5 p. m., with ticket sales and admission ending at 4:30 p.

m