After a four-year delay, Hong Kong's Ocean Park is set to unveil a new all-weather Water World on September 21, 2021. Visitors are encouraged to be vaccinated against Covid-19, but will not be mandatory for entry. Online ticketing started on August 9, with admission priced at HK$320 (US$41) for adults and HK$225 for children, subject to seasonal adjustments. The elderly and people with disabilities will enjoy a discounted price of HK$150.