The island is entirely artificial and was constructed specifically to house the theme park complex.
The park houses one of the few aquariums in Japan to feature a massive open-tank system for beluga whales.
The Surf Coaster Leviathan ride features a track section that loops out directly over the ocean water.
The facility serves as a major research center for marine biological studies in addition to public entertainment.
The aquarium's Aqua Museum contains one of the largest collections of marine animals in Japan by species count.
The island contains no residential zones, functioning exclusively as a commercial and recreational park.
Hakkeijima is a large, man-made island located in Kanazawa Ward, Yokohama, primarily known as the site of the Yokohama Hakkeijima Sea Paradise theme park. The island features an expansive aquarium complex, a marina, and multiple roller coasters, including the Surf Coaster Leviathan which extends over the sea. The park serves as a recreational hub integrating marine life exhibits with amusement rides and waterfront walkways. Unlike traditional landlocked parks, the island is connected to the mainland by a bridge, allowing for sweeping views of Tokyo Bay. It functions as a multipurpose entertainment destination featuring dolphin performances and educational marine displays. The island layout is designed to encourage pedestrian exploration along its coastal perimeter. It is distinct from Zushi; while the provided address cites Kanazawa Ward, Yokohama, the location is geographically situated on the Tokyo Bay coastline.
The mid-point of the bridge connecting the mainland to the island, offering a panoramic view of the park against the ocean backdrop.
Bring a windbreaker, as the open bay location causes significant sea breezes even on calm days.
Check the marine show schedules upon arrival, as these are the most popular attractions and fill up quickly.
Prioritize visiting the aquarium area during midday to avoid the late afternoon crowds common on weekends.
Do not attempt to walk to the island from distant train stations; rely on the designated bridge access. Avoid visiting during Japanese national holidays if you prefer low crowd density.
Maintain appropriate footwear for extensive walking on paved walkways; avoid entering aquarium pools or touching exhibit glass.
