Maisaari is an outdoor recreation island of the City of Turku, in Rymättylä. Its accommodation and sauna services are run by P. Qvarnström Catering Oy.
With Johku, they sell stays in five rental cottages, including the Antola house and granary, the Isotalo granary, Luotsi, Laivuri and Nuotta, sessions in the old-style Maisa sauna and in the Villa sauna, built for official entertaining, and the Maisa fireplace lodge and the fireplace room at the Villa sauna.