Unioninkatu 32, 00170 Helsinki, Finland | Departures of buses are scheduled from stop number 1. Bus stop is marked with red CityTour Hop-On Hop-Off sign. From 2 May until the end of September, buses depart from 10 am to 4 pm every 40 minutes (every 20–30 minutes during high season, depending on the day's schedule). Boats depart from Market Square daily during the same period at 12:00, 14:00, and 16:00, with extra departures during high season.