The island has a lighthouse, pilot station, a small guest harbour, a shop and a post office.
The Utö lighthouse is painted to resemble the signal flag "H", indicating the maritime pilot station.
[2] The open sea areas around Utö are covered by ice only approximately every five years.
[3] Utö has a humid continental climate (Dfb) (0˚C, 32˚F isotherm) or an oceanic climate (Cfb) (-3˚C, 26,6˚F isotherm) with mild summers and moderately cold and relatively long but late winters compared to the nearby southern mainland Finland because of seasonal lag caused by the Baltic Sea.
Media related to Utö, Finland at Wikimedia Commons