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 is a work of charm, subtlety and simplicity, describing the summer stay on an island of a young girl and her grandmother. The girl is modelled on her niece, Sophia Jansson; the girl's father on Sophia's father, Lars Jansson; and the grandmother on Tove's mother Signe. Although she became known first and foremost as an author, Tove Jansson considered her careers as author and painter to be of equal importance. She painted her whole life, changing style from the classical impressionism of her youth to the highly abstract modernist style of her later years. Jansson displayed a number of artworks