The Hakkeijima Sea Paradise (八景島シーパラダイス) is an amusement park located on a small island just off shore, about 30 minutes by train south of downtown Yokohama. It is one of the most visited amusement parks in Japan and houses quite an impressive aquarium.
Admission into the park is not charged. Visitors are free to enter the island to utilize its park areas, stroll along the promenades, shop at the stores or dine at the restaurants. An entry fee is only required for the attractions of Aqua Resorts and the rides of Pleasure Land.