Otaru Aquarium

Aquarium Surrounded by the Sea and Nature

One of the most distinctive features of Otaru Aquarium is its Marine Mammal Park, which makes use of a natural inlet along the coast. The setting allows visitors to see marine animals in an environment closely connected to the surrounding sea, while seabirds also visit the area naturally.

Wild Steller sea lions and harbor seals occasionally find their way into the inlet from the nearby coast. In some cases, animals that enter the area remain at the aquarium and become part of its collection.

This close relationship with the natural coastline gives Otaru Aquarium a character that differs from many urban aquariums, allowing visitors to experience both marine life and the coastal environment of Hokkaido.

A Long History of Introducing the Ocean to Visitors

Since opening in 1959, Otaru Aquarium has continued to share the appeal of marine life with visitors. The aquarium was originally established with the aim of introducing the world of the sea to local children.

Over the decades, the facility has expanded and undergone renovations and exhibit renewals, developing into a major attraction visited by travelers from throughout Japan as well as local families.

Its long history and educational programs have helped make the aquarium a familiar destination for visitors of many ages, from children discovering marine life for the first time to adults interested in the natural environment of Hokkaido.

A Diverse Collection of Marine Life

Otaru Aquarium displays approximately 250 species and more than 5,000 individual marine animals, offering visitors a broad look at the diversity of aquatic life.

Among the highlights is the Jellyfish Dream Hall, where various species of jellyfish are displayed under beautiful lighting. Their slow, graceful movements create an atmospheric and almost dreamlike experience.

The Penguin House provides an opportunity to observe penguins at close range while learning about their behavior and way of life. Their lively movements and individual personalities make them particularly popular with families.

Dolphin and Sea Lion Performances

Otaru Aquarium offers a variety of shows and hands-on programs designed to make learning about marine animals enjoyable. The dolphin and sea lion performances are among the most popular attractions.

Trained dolphins and sea lions demonstrate their impressive abilities in energetic performances, entertaining audiences while also giving visitors a closer look at the intelligence, physical abilities, and natural behaviors of these marine mammals.

Hands-On Marine Life Experiences

For visitors who want a more interactive experience, the aquarium also features a touch pool, where guests can safely come into contact with marine creatures.

These hands-on experiences are particularly appealing to children, transforming a visit to the aquarium into an opportunity to learn through direct observation and interaction.

Experience Hokkaido’s Marine World in Otaru

With its diverse collection of marine animals, lively performances, hands-on experiences, and unique coastal setting, Otaru Aquarium offers an enjoyable way to discover the marine environment of Hokkaido.

The combination of aquarium exhibits and the natural inlet of the Marine Mammal Park makes the attraction especially distinctive. Visitors can encounter penguins, seals, walruses, sea lions, dolphins, and many other creatures while enjoying the atmosphere of the Sea of Japan coast.

For families, animal lovers, and travelers exploring Otaru, the aquarium provides a memorable introduction to the rich marine life surrounding northern Japan.