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
Tove Jansson captured on several hours of film, shot by Pietilä. Several documentaries have been made of this footage, the latest being "Haru, yksinäinen saari" ("Haru, the lonely island") (1998) and "Tove ja Tooti Euroopassa" ("Tove and Tooti in Europe") (2004). Jansson died on 27 June 2001 at the age of 86 from cancer and is buried with her parents and younger brother Lars. She is buried in the Hietaniemi Cemetery in Helsinki. Tove Jansson worked as an illustrator and cartoonist for the Swedish-language satirical magazine "Garm" from the 1930s to 1953. One of her political cartoons achieved a brief international fame: