Old barracks on Garnizonowa Street

Former artillery barracks opened in 1913 and designed by architect Fritz Heitmann.

Large former barracks complex built in 1890–1898, mainly from red brick.

Football stadium and large outdoor-event area, used as a main venue for major concerts and the Red Stage of the Ostróda Reggae Festival.

The most important annual music event in Ostróda. It has been held since 2001; the first editions used the castle courtyard as Ostrock Reggae Festival, and since 2004 the event has operated as Ostróda Reggae Festival. Main festival places have included the castle, former barracks areas, amphitheatre, pier and the sports complex on 3 Maja Street. Book accommodation early.

Lock on the Miłomłyn–Ostróda–Stare Jabłonki branch of the Elbląg Canal system. It is a practical addition to a walk north of the promenade.

Roofed lakeside amphitheatre used for concerts and festivals, including film-music events and parts of the Ostróda Reggae Festival programme.