Naantali are some important points of interest in the city, such as the Moomin World theme park on the island of Kailo. Naantali Spa Hotel, the largest spa in the Nordic countries, and the Naantali’s medieval convent stone church. The city's popularity as a tourist venue is highlighted by the fact that the official summer residence of the President of Finland, the Kultaranta estate, is located on Luonnonmaa. The archipelago sea boat traffic is handled by S/S Ukkopekka. Old steamship cruise Naantali-Turku-Naantali. Naantali hosts an international music festival every June, and the traditional Sleepyhead Day carnival in July. In addition to
Swedish-speaking population of Finland increasing slightly in total numbers since more parents from bilingual families tend to register their children as Swedish speakers. It is estimated that 70% of bilingual families—that is, ones with one parent Finnish-speaking and the other Swedish-speaking—register their children as Swedish-speaking. The Swedish term "finlandssvensk" (literally "Finland-Swede"), which is used by the group itself, does not have an established English translation. The Society of Swedish Authors in Finland and the main political institutions for the Swedish-speaking minority such as the Swedish People's Party and Swedish Assembly of Finland use the expression "Swedish-speaking population of Finland", but Swedish-speaking NGOs often use