Vallisaari is a nature and history destination off the coast of Helsinki, whose venue, restaurant and activity services are sold by Sea Sales Finland Oy.
With Johku, the company sells the island's venues for meetings and celebrations, such as SA-INT for up to 40 people and the harbor sheds, buffets and set menus for groups, guided tours on Vallisaari and Kuninkaansaari, a mobile escape game and TreeTents EcoCamp accommodation in the treetops.