S-market Opening hours Location The biggest S-market in Helsinki Metropolitan Area has been opened September 1st 2022. Welcome! Location Floor K1 Open today Open 07 - 22 Opening hours Mon - Sat 07 - 22 Sun 09 - 22 Phone +358 107661760 Exceptional opening hours 30.4.2024 Vappuaatto 07 - 22 1.5.2024 Vappu 09 - 22 9.5.2024 Helatorstai 07 - 22