Visit Yokohama Hakkeijima Sea Paradise in Kanazawa Ward, Yokohama Bay. The park spans 24 hectares on its own island and includes aquariums, a theme park, shopping areas, restaurants, and a hotel. Opened in 1993, it draws locals, people from the metropolitan area, and international visitors.

Reach the park in under an hour from tourist spots like Asakusa, Shinjuku, and Tokyo Station. It's about 30 minutes from Yokohama Bay Area, Kamakura, or Enoshima. Experience Japan's marine life and an island environment close to the city center.