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 Flood". The next two books, "Comet in Moominland" and "Finn Family Moomintroll", published in 1946 and 1948 respectively, were highly successful in sales, adding to sales of the first book. For her work as a children's writer she received the Hans Christian Andersen Medal in 1966. Starting with the semi-autobiographical "Bildhuggarens dotter" ("Sculptor's Daughter") in 1968, Jansson wrote six novels, including the admired "Sommarboken" ("The Summer Book"), and five books of short stories for adults. Tove Jansson was born in Helsinki, Grand Duchy of Finland, Russian Empire. Her family, part of the Swedish-speaking minority of Finland, was an artistic one: