The exbibitions in two buildings are open all the year, the museum ships are open during the summer season.
Winter season September-May:
Open Tuesday–Sunday 11 a.m.–7 p.m.
Closed on Mondays. Closed also on Finnish Independence Day (6 Dec), Christmas Eve (24 Dec) and Christmas Day (25 Dec), New Year’s Day (1 Jan).
On the Day before these dates closing time at 3 p.m.
Summer season June–August:
The Museum ships and exhibitions open daily
2nd June – 26th August 2018 11 a.m.–7 p.m.
Closed on 1. May, Midsummer Eve and Midsummer Day and Monday 27th of August.