Filming took place on Oahu, especially in and around Honolulu, the capital of Hawaii. Some filming took place at the Royal Hawaiian Resort, according to cast member Kimee Balmilero’s Instagram post from June 24. Not only did filming take place above water, but plenty of filming happened in and around the stunning beaches of Oahu, including the Kaneohe Bay Sandbar.
Source: https://www.distractify.com/p/two-tickets-to-paradise-filming-locations