The size of Baltic cruiseferries is limited by various narrow passages in the Stockholm, Ålandian and Turku archipelagos, meaning ships that traffic these routes can't be much larger than 200 meters.
Baltic cruiseferries have a restricted size due to the presence of various narrow channels within the Stockholm, Ålandian, and Turku archipelagos, suggesting that vessels operating on these routes cannot exceed a length of around 200 meters.