The opening hours:

Apr 1 - May 31
09:00 a.m. - 07:00 p.m.
(cash desk 09:00 a.m. - 06:30 p.m.)


June 1 - June 30
09:00 a.m. - 08:00 p.m.
(cash desk 09:00 a.m. - 07:30 p.m.)


July 1 - August 31
09:00 a.m. - 09:00 p.m.
(cash desk 09:00 a.m. - 08:30 p.m.)


September 1 - September 30
09:00 a.m. - 07:00 p.m.
(cash desk 09:00 a.m. - 06:30 p.m.)


October 1 - March 31
10:00 a.m. - 05:00 p.m.
(cash desk 10:00 a.m. - 04:30 p.m.)

The NMFRI Gdynia Aquarium is closed:

on Mondays during the period of November 2 - February 29

November 1 (All Saints), December 24 - 25 (Christmas),

December 31 (New Year's Eve), January 1 (New Year),

First day of Easter,

Corpus Christi.